Annotations: 6EXN

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
D [auth A]	SCOP2B Superfamily	Ribonuclease H-like	8040983	3000143	SCOP2B (2022-06-29)
W [auth Y]	SCOP2B Superfamily	RNA-binding domain RBD	8073745	3000110	SCOP2B (2022-06-29)
X [auth a]	SCOP2B Superfamily	Functional domain of the splicing factor Prp18	8037866	3000735	SCOP2B (2022-06-29)
HA [auth l]	SCOP2B Superfamily	Sm-like ribonucleoproteins	8082631	3000419	SCOP2B (2022-06-29)
RA [auth v]	SCOP2B Superfamily	RING/U-box like	8037831	3000160	SCOP2B (2022-06-29)
PA [auth t]	SCOP2B Superfamily	RING/U-box like	8037831	3000160	SCOP2B (2022-06-29)
QA [auth u]	SCOP2B Superfamily	RING/U-box like	8037831	3000160	SCOP2B (2022-06-29)
SA [auth w]	SCOP2B Superfamily	RING/U-box like	8037831	3000160	SCOP2B (2022-06-29)
K	SCOP2B Superfamily	Pre-mRNA-processing protein 45-like	8092739	3002618	SCOP2B (2022-06-29)
M	SCOP2B Superfamily	CCCH zinc finger-like	8051791	3001741	SCOP2B (2022-06-29)
M	SCOP2B Superfamily	RNA-binding domain RBD	8051796	3000110	SCOP2B (2022-06-29)
Y [auth b]	SCOP2B Superfamily	Sm-like ribonucleoproteins	8077613	3000419	SCOP2B (2022-06-29)
AA [auth d]	SCOP2B Superfamily	Sm-like ribonucleoproteins	8098694	3000419	SCOP2B (2022-06-29)
JA [auth n]	SCOP2B Superfamily	Sm-like ribonucleoproteins	8098694	3000419	SCOP2B (2022-06-29)
CA [auth f]	SCOP2B Superfamily	Sm-like ribonucleoproteins	8043703	3000419	SCOP2B (2022-06-29)
MA [auth q]	SCOP2B Superfamily	Sm-like ribonucleoproteins	8043703	3000419	SCOP2B (2022-06-29)
DA [auth g]	SCOP2B Superfamily	Sm-like ribonucleoproteins	8098668	3000419	SCOP2B (2022-06-29)
NA [auth r]	SCOP2B Superfamily	Sm-like ribonucleoproteins	8098668	3000419	SCOP2B (2022-06-29)
IA [auth m]	SCOP2B Superfamily	Sm-like ribonucleoproteins	8063490	3000419	SCOP2B (2022-06-29)
FA [auth j]	SCOP2B Superfamily	Sm-like ribonucleoproteins	8063490	3000419	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
D [auth A]	PF10596,PF10597	e6exnA5	A: alpha bundles	X: helical bundle domain in reverse transcriptase-like polymerases (From Topology)	H: helical bundle domain in reverse transcriptase-like polymerases (From Topology)	T: helical bundle domain in reverse transcriptase-like polymerases	F: PF10596,PF10597	ECOD (1.6)
D [auth A]	PF08082,PF08083	e6exnA4	A: alpha complex topology	X: Pre-mRNA-splicing factor 8 N-terminal domain (From Topology)	H: Pre-mRNA-splicing factor 8 N-terminal domain (From Topology)	T: Pre-mRNA-splicing factor 8 N-terminal domain	F: PF08082,PF08083	ECOD (1.6)
D [auth A]	PF10598	e6exnA2	A: a+b two layers	X: Alpha-beta plaits	H: Adenylyl and guanylyl cyclase catalytic domain-like	T: Adenylyl and guanylyl cyclase catalytic domain-like	F: PF10598	ECOD (1.6)
D [auth A]	PF10596	e6exnA3	A: a/b three-layered sandwiches	X: Restriction endonuclease-like	H: Restriction endonuclease-like (From Topology)	T: Restriction endonuclease-like	F: PF10596	ECOD (1.6)
D [auth A]	PF12134	e6exnA1	A: mixed a+b and a/b	X: Ribonuclease H-like	H: Ribonuclease H-like (From Topology)	T: Ribonuclease H-like	F: PF12134	ECOD (1.6)
N	F_UNCLASSIFIED	e6exnN2	A: a+b two layers	X: Alpha-beta plaits	H: RNA-binding domain, RBD (From Topology)	T: RNA-binding domain, RBD	F: F_UNCLASSIFIED	ECOD (1.6)
N	PF21369	e6exnN1	A: few secondary structure elements	X: RING/U-box-like	H: RING/U-box-like	T: FYVE/PHD zinc finger	F: PF21369	ECOD (1.6)
Q [auth R]	PF08312	e6exnR1	A: alpha duplicates or obligate multimers	X: cwf21 domain (From Topology)	H: cwf21 domain (From Topology)	T: cwf21 domain	F: PF08312	ECOD (1.6)
W [auth Y]	PF13893	e6exnY1	A: a+b two layers	X: Alpha-beta plaits	H: RNA-binding domain, RBD (From Topology)	T: RNA-binding domain, RBD	F: PF13893	ECOD (1.6)
X [auth a]	PF02840	e6exna1	A: alpha bundles	X: Functional domain of the splicing factor Prp18 (From Topology)	H: Functional domain of the splicing factor Prp18 (From Topology)	T: Functional domain of the splicing factor Prp18	F: PF02840	ECOD (1.6)
HA [auth l]	PF01423	e6exnl1	A: beta barrels	X: SH3	H: SH3	T: SH3	F: PF01423	ECOD (1.6)
EA [auth h]	PF01423	e6exnh1	A: beta barrels	X: SH3	H: SH3	T: SH3	F: PF01423	ECOD (1.6)
J	PF00400	e6exnJ1	A: beta duplicates or obligate multimers	X: beta-propeller-like	H: beta-propeller	T: 7-bladed	F: PF00400	ECOD (1.6)
L	PF01125	e6exnL1	A: few secondary structure elements	X: Pre-mRNA-splicing factor BUD31 (From Topology)	H: Pre-mRNA-splicing factor BUD31 (From Topology)	T: Pre-mRNA-splicing factor BUD31	F: PF01125	ECOD (1.6)
R [auth S]	F_UNCLASSIFIED	e6exnS1	A: alpha superhelices	X: Repetitive alpha hairpins	H: ARM repeat (From Topology)	T: ARM repeat	F: F_UNCLASSIFIED	ECOD (1.6)
S [auth T]	PF05843	e6exnT1	A: alpha superhelices	X: Repetitive alpha hairpins	H: ARM repeat (From Topology)	T: ARM repeat	F: PF05843	ECOD (1.6)
T [auth V]	PF07717	e6exnV1	A: beta barrels	X: OB-fold	H: Nucleic acid-binding proteins (From Topology)	T: Nucleic acid-binding proteins	F: PF07717	ECOD (1.6)
T [auth V]	PF04408,PF21010	e6exnV3	A: alpha arrays	X: Sec63 N-terminal subdomain-like (From Topology)	H: Sec63 N-terminal subdomain-like (From Topology)	T: Sec63 N-terminal subdomain-like	F: PF04408,PF21010	ECOD (1.6)
T [auth V]	PF00270	e6exnV4	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: PF00270	ECOD (1.6)
T [auth V]	PF00271	e6exnV2	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: PF00271	ECOD (1.6)
U [auth W]	PF14580	e6exnW1	A: beta duplicates or obligate multimers	X: Single-stranded right-handed beta-helix	H: Leucine-rich repeats (From Topology)	T: Leucine-rich repeats	F: PF14580	ECOD (1.6)
GA [auth k]	PF01423	e6exnk1	A: beta barrels	X: SH3	H: SH3	T: SH3	F: PF01423	ECOD (1.6)
Y [auth b]	PF01423	e6exnb1	A: beta barrels	X: SH3	H: SH3	T: SH3	F: PF01423	ECOD (1.6)
Z [auth c]	PF00098	e6exnc1	A: few secondary structure elements	X: CCHC-type 1 zinc finger	H: CCHC-type 1 zinc finger (From Topology)	T: CCHC-type 1 zinc finger	F: PF00098	ECOD (1.6)
Z [auth c]	PF11708	e6exnc2	A: extended segments	X: Prp8-binding region of SLU7 (From Topology)	H: Prp8-binding region of SLU7 (From Topology)	T: Prp8-binding region of SLU7	F: PF11708	ECOD (1.6)
AA [auth d]	PF01423	e6exnd1	A: beta barrels	X: SH3	H: SH3	T: SH3	F: PF01423	ECOD (1.6)
JA [auth n]	PF01423	e6exnn1	A: beta barrels	X: SH3	H: SH3	T: SH3	F: PF01423	ECOD (1.6)
BA [auth e]	PF01423	e6exne1	A: beta barrels	X: SH3	H: SH3	T: SH3	F: PF01423	ECOD (1.6)
LA [auth p]	PF01423	e6exnp1	A: beta barrels	X: SH3	H: SH3	T: SH3	F: PF01423	ECOD (1.6)
CA [auth f]	PF01423	e6exnf1	A: beta barrels	X: SH3	H: SH3	T: SH3	F: PF01423	ECOD (1.6)
MA [auth q]	PF01423	e6exnq1	A: beta barrels	X: SH3	H: SH3	T: SH3	F: PF01423	ECOD (1.6)
DA [auth g]	PF01423	e6exng1	A: beta barrels	X: SH3	H: SH3	T: SH3	F: PF01423	ECOD (1.6)
NA [auth r]	PF01423	e6exnr1	A: beta barrels	X: SH3	H: SH3	T: SH3	F: PF01423	ECOD (1.6)
IA [auth m]	PF01423	e6exnm1	A: beta barrels	X: SH3	H: SH3	T: SH3	F: PF01423	ECOD (1.6)
FA [auth j]	PF01423	e6exnj1	A: beta barrels	X: SH3	H: SH3	T: SH3	F: PF01423	ECOD (1.6)
KA [auth o]	PF00400	e6exno1	A: beta duplicates or obligate multimers	X: beta-propeller-like	H: beta-propeller	T: 7-bladed	F: PF00400	ECOD (1.6)
H	F_UNCLASSIFIED	e6exnH1	A: alpha superhelices	X: Repetitive alpha hairpins	H: ARM repeat (From Topology)	T: ARM repeat	F: F_UNCLASSIFIED	ECOD (1.6)
H	PF02847	e6exnH2	A: alpha superhelices	X: Repetitive alpha hairpins	H: ARM repeat (From Topology)	T: ARM repeat	F: PF02847	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
W [auth Y]	3.30.70.330	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits	RRM (RNA recognition motif) domain	CATH (4.3.0)
X [auth a]	1.20.940.10	Mainly Alpha	Up-down Bundle	RNA Binding Protein, Prp18	Chain A	CATH (utative)
AA [auth d]	2.30.30.100	Mainly Beta	Roll	SH3 type barrels.		CATH (4.3.0)
JA [auth n]	2.30.30.100	Mainly Beta	Roll	SH3 type barrels.		CATH (4.3.0)
BA [auth e]	2.30.30.100	Mainly Beta	Roll	SH3 type barrels.		CATH (4.3.0)
LA [auth p]	2.30.30.100	Mainly Beta	Roll	SH3 type barrels.		CATH (4.3.0)
CA [auth f]	2.30.30.100	Mainly Beta	Roll	SH3 type barrels.		CATH (4.3.0)
MA [auth q]	2.30.30.100	Mainly Beta	Roll	SH3 type barrels.		CATH (4.3.0)
DA [auth g]	2.30.30.100	Mainly Beta	Roll	SH3 type barrels.		CATH (4.3.0)
NA [auth r]	2.30.30.100	Mainly Beta	Roll	SH3 type barrels.		CATH (4.3.0)
IA [auth m]	2.30.30.100	Mainly Beta	Roll	SH3 type barrels.		CATH (4.3.0)
FA [auth j]	2.30.30.100	Mainly Beta	Roll	SH3 type barrels.		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
D [auth A]	PF10597	U5-snRNA binding site 2 of PrP8 (U5_2-snRNA_bdg)	U5-snRNA binding site 2 of PrP8	The essential spliceosomal protein Prp8 interacts with U5 and U6 snRNAs and with specific pre-mRNA sequences that participate in catalysis [1]. This close association with crucial RNA sequences, together with extensive genetic evidence, suggests that ...	The essential spliceosomal protein Prp8 interacts with U5 and U6 snRNAs and with specific pre-mRNA sequences that participate in catalysis [1]. This close association with crucial RNA sequences, together with extensive genetic evidence, suggests that Prp8 could directly affect the function of the catalytic core, perhaps acting as a splicing cofactor [2].	Domain
D [auth A]	PF10598	RNA recognition motif of the spliceosomal PrP8 (RRM_4)	RNA recognition motif of the spliceosomal PrP8	The large RNA-protein complex of the spliceosome catalyses pre-mRNA splicing. One of the most conserved core proteins is PrP8 which occupies a central position in the catalytic core of the spliceosome, and has been implicated in several crucial molec ...	The large RNA-protein complex of the spliceosome catalyses pre-mRNA splicing. One of the most conserved core proteins is PrP8 which occupies a central position in the catalytic core of the spliceosome, and has been implicated in several crucial molecular rearrangements that occur there, and has recently come under the spotlight for its role in the inherited human disease, Retinitis Pigmentosa [1]. The RNA-recognition motif of PrP8 is highly conserved and provides a possible RNA binding centre for the 5-prime SS, BP, or 3-prime SS of pre-mRNA which are known to contact with Prp8. The most conserved regions of an RRM are defined as the RNP1 and RNP2 sequences. Recognition of RNA targets can also be modulated by a number of other factors, most notably the two loops beta1-alpha1, beta2-beta3 and the amino acid residues C-terminal to the RNP2 domain [2].	Domain
D [auth A]	PF10596	U6-snRNA interacting domain of PrP8 (U6-snRNA_bdg)	U6-snRNA interacting domain of PrP8	This domain incorporates the interacting site for the U6-snRNA as part of the U4/U6.U5 tri-snRNPs complex of the spliceosome, and is the prime candidate for the role of cofactor for the spliceosome's RNA core. The essential spliceosomal protein Prp8 ...	This domain incorporates the interacting site for the U6-snRNA as part of the U4/U6.U5 tri-snRNPs complex of the spliceosome, and is the prime candidate for the role of cofactor for the spliceosome's RNA core. The essential spliceosomal protein Prp8 interacts with U5 and U6 snRNAs and with specific pre-mRNA sequences that participate in catalysis. This close association with crucial RNA sequences, together with extensive genetic evidence, suggests that Prp8 could directly affect the function of the catalytic core, perhaps acting as a splicing cofactor [1].	Domain
D [auth A]	PF12134	PRP8 domain IV core (PRP8_domainIV)	PRP8 domain IV core	This domain is found in eukaryotes, and is about 20 amino acids in length. It is found associated with Pfam:PF10597, Pfam:PF10596, Pfam:PF10598, Pfam:PF08083, Pfam:PF08082, Pfam:PF01398, Pfam:PF08084. There is a conserved LILR sequence motif. The dom ...	This domain is found in eukaryotes, and is about 20 amino acids in length. It is found associated with Pfam:PF10597, Pfam:PF10596, Pfam:PF10598, Pfam:PF08083, Pfam:PF08082, Pfam:PF01398, Pfam:PF08084. There is a conserved LILR sequence motif. The domain is a selenomethionine domain in a subunit of the spliceosome. The function of PRP8 domain IV is believed to be interaction with the splicosomal core.	Domain
D [auth A]	PF08082	PRO8NT (NUC069), PrP8 N-terminal domain (PRO8NT)	PRO8NT (NUC069), PrP8 N-terminal domain	The PRO8NT domain is found at the N-terminus of pre-mRNA splicing factors of PRO8 family [1]. The NLS or nuclear localisation signal for these spliceosome proteins begins at the start and runs for 60 residues. N-terminal to this domain is a highly va ...	The PRO8NT domain is found at the N-terminus of pre-mRNA splicing factors of PRO8 family [1]. The NLS or nuclear localisation signal for these spliceosome proteins begins at the start and runs for 60 residues. N-terminal to this domain is a highly variable proline-rich region [4].	Domain
D [auth A]	PF08083	PROCN (NUC071) domain (PROCN)	PROCN (NUC071) domain	The PROCN domain is the central domain in pre-mRNA splicing factors of PRO8 family [1].	Domain
E [auth C]	PF00679	Elongation factor G C-terminus (EFG_C)	Elongation factor G C-terminus	This domain includes the carboxyl terminal regions of Elongation factor G, elongation factor 2 and some tetracycline resistance proteins and adopt a ferredoxin-like fold.	Domain
E [auth C]	PF00009	Elongation factor Tu GTP binding domain (GTP_EFTU)	Elongation factor Tu GTP binding domain	This domain contains a P-loop motif, also found in several other families such as Pfam:PF00071, Pfam:PF00025 and Pfam:PF00063. Elongation factor Tu consists of three structural domains, this plus two C-terminal beta barrel domains.	Domain
E [auth C]	PF16004	116 kDa U5 small nuclear ribonucleoprotein component N-terminus (EFTUD2)	116 kDa U5 small nuclear ribonucleoprotein component N-terminus	-	Family
N	PF21369	STL11, N-terminal (STL11_N)	STL11, N-terminal	This entry represents the N-terminal domain of STL11 from yeast and its homologues [1-4], such as RBM22 from human. This domain comprises a zinc finger, FYVE/PHD type. Members of this entry are involved in pre-mRNA splicing.	Domain
O	PF00249	Myb-like DNA-binding domain (Myb_DNA-binding)	Myb-like DNA-binding domain	This family contains the DNA binding domains from Myb proteins, as well as the SANT domain family [1].	Domain
Q [auth R]	PF08312	cwf21 domain (cwf21)	cwf21 domain	The cwf21 family is involved in mRNA splicing. It has been isolated as a subcomplex of the splicosome in Schizosaccharomyces pombe [1]. The function of the cwf21 domain is to bind directly to the spliceosomal protein Prp8. Mutations in the cwf21 dom ...	The cwf21 family is involved in mRNA splicing. It has been isolated as a subcomplex of the splicosome in Schizosaccharomyces pombe [1]. The function of the cwf21 domain is to bind directly to the spliceosomal protein Prp8. Mutations in the cwf21 domain prevent Prp8 from binding [2]. The structure of this domain has recently been solved which shows this domain to be composed of two alpha helices.	Domain
W [auth Y]	PF13893	RNA recognition motif. (a.k.a. RRM, RBD, or RNP domain) (RRM_5)	RNA recognition motif. (a.k.a. RRM, RBD, or RNP domain)	The RRM motif is probably diagnostic of an RNA binding protein. RRMs are found in a variety of RNA binding proteins, including various hnRNP proteins, proteins implicated in regulation of alternative splicing, and protein components of snRNPs. The mo ...	The RRM motif is probably diagnostic of an RNA binding protein. RRMs are found in a variety of RNA binding proteins, including various hnRNP proteins, proteins implicated in regulation of alternative splicing, and protein components of snRNPs. The motif also appears in a few single stranded DNA binding proteins.	Domain
X [auth a]	PF02840	Prp18 domain (Prp18)	Prp18 domain	-	Family
EA [auth h], HA [auth l]	PF01423	LSM domain (LSM)	LSM domain	The LSM domain contains Sm proteins as well as other related LSM (Like Sm) proteins. The U1, U2, U4/U6, and U5 small nuclear ribonucleoprotein particles (snRNPs) involved in pre-mRNA splicing contain seven Sm proteins (B/B', D1, D2, D3, E, F and G) i ...	The LSM domain contains Sm proteins as well as other related LSM (Like Sm) proteins. The U1, U2, U4/U6, and U5 small nuclear ribonucleoprotein particles (snRNPs) involved in pre-mRNA splicing contain seven Sm proteins (B/B', D1, D2, D3, E, F and G) in common, which assemble around the Sm site present in four of the major spliceosomal small nuclear RNAs. The U6 snRNP binds to the LSM (Like Sm) proteins [3]. Sm proteins are also found in archaebacteria, which do not have any splicing apparatus suggesting a more general role for Sm proteins. All Sm proteins contain a common sequence motif in two segments, Sm1 and Sm2, separated by a short variable linker. This family also includes the bacterial Hfq (host factor Q) proteins. Hfq are also RNA-binding proteins, that form hexameric rings.	Domain
J	PF00400	WD domain, G-beta repeat (WD40)	WD domain, G-beta repeat	-	Repeat
K	PF02731	SKIP/SNW domain (SKIP_SNW)	SKIP/SNW domain	-	Family
L	PF01125	Pre-mRNA-splicing factor BUD31 (BUD31)	Pre-mRNA-splicing factor BUD31	This entry includes Pre-mRNA-splicing factor BUD31, also known as G10 protein, and its homologues. BUD31 is involved in the pre-mRNA splicing process [1-3] and it is highly conserved in a wide range of eukaryotic species. Human BUD31 may play a role ...	This entry includes Pre-mRNA-splicing factor BUD31, also known as G10 protein, and its homologues. BUD31 is involved in the pre-mRNA splicing process [1-3] and it is highly conserved in a wide range of eukaryotic species. Human BUD31 may play a role as a regulator of androgen receptor (AR) transcriptional activity, probably increasing the AR transcriptional activity [4].	Domain
M	PF16131	Torus domain (Torus)	Torus domain	This domain is found in pre-mRNA-splicing factor CWC2. It includes a CCCH-type zinc finger [1].	Domain
M	PF00076	RNA recognition motif (RRM_1)	RNA recognition motif	The RRM motif (a.k.a. RRM, RBD, or RNP domain) is probably diagnostic of an RNA binding protein. RRMs are found in a variety of RNA binding proteins, including various hnRNP proteins, proteins implicated in regulation of alternative splicing, and pro ...	The RRM motif (a.k.a. RRM, RBD, or RNP domain) is probably diagnostic of an RNA binding protein. RRMs are found in a variety of RNA binding proteins, including various hnRNP proteins, proteins implicated in regulation of alternative splicing, and protein components of snRNPs. The motif also appears in a few single stranded DNA binding proteins. The RRM structure consists of four strands and two helices arranged in an alpha/beta sandwich, with a third helix present during RNA binding in some cases The C-terminal beta strand (4th strand) and final helix are hard to align and have been omitted in the SEED alignment The LA proteins (Swiss:P05455) have an N terminal rrm which is included in the seed. There is a second region towards the C terminus that has some features characteristic of a rrm but does not appear to have the important structural core of a rrm. The LA proteins (Swiss:P05455) are one of the main autoantigens in Systemic lupus erythematosus (SLE), an autoimmune disease.	Domain
R [auth S]	PF02184	HAT (Half-A-TPR) repeat (HAT)	HAT (Half-A-TPR) repeat	-	Repeat
T [auth V]	PF04408	Helicase associated domain (HA2), winged-helix (HA2_N)	Helicase associated domain (HA2), winged-helix	The helicase associated domain (HA2) has an all alpha-helical fold and consists of a N-terminal winged-helix (WH) domain and a C-terminal degenerate helical-bundle domain, referred to as the ratchet-like domain [1,2,3]. These domains collaborate wit ...	The helicase associated domain (HA2) has an all alpha-helical fold and consists of a N-terminal winged-helix (WH) domain and a C-terminal degenerate helical-bundle domain, referred to as the ratchet-like domain [1,2,3]. These domains collaborate with RecA domains at the N-terminal in completing an RNA binding channel to allow the helicases to keep a stable grip on the RNA [3] and assure its correct function. This entry represents the WH domain, which connects the N- (RecA domains) and C-terminal domains (ratchet-like and OB-fold) of helicases.	Domain
T [auth V]	PF07717	Oligonucleotide/oligosaccharide-binding (OB)-fold (OB_NTP_bind)	Oligonucleotide/oligosaccharide-binding (OB)-fold	This family is found towards the C-terminus of the DEAD-box helicases (Pfam:PF00270). In these helicases it is apparently always found in association with Pfam:PF04408. There do seem to be a couple of instances where it occurs by itself - e.g. Swiss: ...	This family is found towards the C-terminus of the DEAD-box helicases (Pfam:PF00270). In these helicases it is apparently always found in association with Pfam:PF04408. There do seem to be a couple of instances where it occurs by itself - e.g. Swiss:Q84VZ2. The structure PDB:3i4u adopts an OB-fold. helicases (Pfam:PF00270). In these helicases it is apparently always found in association with Pfam:PF04408. This C-terminal domain of the yeast helicase contains an oligonucleotide/oligosaccharide-binding (OB)-fold which seems to be placed at the entrance of the putative nucleic acid cavity. It also constitutes the binding site for the G-patch-containing domain of Pfa1p. When found on DEAH/RHA helicases, this domain is central to the regulation of the helicase activity through its binding of both RNA and G-patch domain proteins [1].	Domain
T [auth V]	PF00270	DEAD/DEAH box helicase (DEAD)	DEAD/DEAH box helicase	Members of this family include the DEAD and DEAH box helicases. Helicases are involved in unwinding nucleic acids. The DEAD box helicases are involved in various aspects of RNA metabolism, including nuclear transcription, pre mRNA splicing, ribosome ...	Members of this family include the DEAD and DEAH box helicases. Helicases are involved in unwinding nucleic acids. The DEAD box helicases are involved in various aspects of RNA metabolism, including nuclear transcription, pre mRNA splicing, ribosome biogenesis, nucleocytoplasmic transport, translation, RNA decay and organellar gene expression.	Domain
T [auth V]	PF00271	Helicase conserved C-terminal domain (Helicase_C)	Helicase conserved C-terminal domain	The Prosite family is restricted to DEAD/H helicases, whereas this domain family is found in a wide variety of helicases and helicase related proteins. It may be that this is not an autonomously folding unit, but an integral part of the helicase.	Domain
T [auth V]	PF21010	Helicase associated domain (HA2), ratchet-like (HA2_C)	Helicase associated domain (HA2), ratchet-like	The helicase associated domain (HA2) has an all alpha-helical fold and consists of a N-terminal winged-helix (WH) domain (Pfam:PF04408) and a C-terminal degenerate helical-bundle domain, referred to as the ratchet-like domain [1,2,3]. These domains c ...	The helicase associated domain (HA2) has an all alpha-helical fold and consists of a N-terminal winged-helix (WH) domain (Pfam:PF04408) and a C-terminal degenerate helical-bundle domain, referred to as the ratchet-like domain [1,2,3]. These domains collaborate with the RecA domains at the N-terminal in completing an RNA binding channel to allow the helicases to keep a stable grip on the RNA [3]. This entry represents the ratchet-like domain, which may be important for RNA translocation [1,2].	Domain
U [auth W]	PF14580	Leucine-rich repeat (LRR_9)	Leucine-rich repeat	-	Repeat
GA [auth k], Y [auth b]	PF01423	LSM domain (LSM)	LSM domain	The LSM domain contains Sm proteins as well as other related LSM (Like Sm) proteins. The U1, U2, U4/U6, and U5 small nuclear ribonucleoprotein particles (snRNPs) involved in pre-mRNA splicing contain seven Sm proteins (B/B', D1, D2, D3, E, F and G) i ...	The LSM domain contains Sm proteins as well as other related LSM (Like Sm) proteins. The U1, U2, U4/U6, and U5 small nuclear ribonucleoprotein particles (snRNPs) involved in pre-mRNA splicing contain seven Sm proteins (B/B', D1, D2, D3, E, F and G) in common, which assemble around the Sm site present in four of the major spliceosomal small nuclear RNAs. The U6 snRNP binds to the LSM (Like Sm) proteins [3]. Sm proteins are also found in archaebacteria, which do not have any splicing apparatus suggesting a more general role for Sm proteins. All Sm proteins contain a common sequence motif in two segments, Sm1 and Sm2, separated by a short variable linker. This family also includes the bacterial Hfq (host factor Q) proteins. Hfq are also RNA-binding proteins, that form hexameric rings.	Domain
Z [auth c]	PF11708	Pre-mRNA splicing Prp18-interacting factor (Slu7)	Pre-mRNA splicing Prp18-interacting factor	The spliceosome, an assembly of snRNAs (U1, U2, U4/U6, and U5) and proteins, catalyses the excision of introns from pre-mRNAs in two successive trans-esterification reactions. Step 2 depends upon integral spliceosome constituents such as U5 snRNA and ...	The spliceosome, an assembly of snRNAs (U1, U2, U4/U6, and U5) and proteins, catalyses the excision of introns from pre-mRNAs in two successive trans-esterification reactions. Step 2 depends upon integral spliceosome constituents such as U5 snRNA and Prp8 and non-spliceosomal proteins Prp16, Slu7, Prp18, and Prp22. ATP hydrolysis by the DEAH-box enzyme Prp16 promotes a conformational change in the spliceosome that leads to protection of the 3'ss from targeted RNase H cleavage. This change, which probably reflects binding of the 3'ss PyAG in the catalytic centre of the spliceosome, requires the ordered recruitment of Slu7, Prp18, and Prp22 to the spliceosome. There is a close functional relationship between Prp8, Prp18, and Slu7, and Prp18 interacts with Slu7, so that together they recruit Prp22 to the spliceosome. Most members of the family carry a zinc-finger of the CCHC-type upstream of this domain.	Domain
AA [auth d], JA [auth n]	PF01423	LSM domain (LSM)	LSM domain	The LSM domain contains Sm proteins as well as other related LSM (Like Sm) proteins. The U1, U2, U4/U6, and U5 small nuclear ribonucleoprotein particles (snRNPs) involved in pre-mRNA splicing contain seven Sm proteins (B/B', D1, D2, D3, E, F and G) i ...	The LSM domain contains Sm proteins as well as other related LSM (Like Sm) proteins. The U1, U2, U4/U6, and U5 small nuclear ribonucleoprotein particles (snRNPs) involved in pre-mRNA splicing contain seven Sm proteins (B/B', D1, D2, D3, E, F and G) in common, which assemble around the Sm site present in four of the major spliceosomal small nuclear RNAs. The U6 snRNP binds to the LSM (Like Sm) proteins [3]. Sm proteins are also found in archaebacteria, which do not have any splicing apparatus suggesting a more general role for Sm proteins. All Sm proteins contain a common sequence motif in two segments, Sm1 and Sm2, separated by a short variable linker. This family also includes the bacterial Hfq (host factor Q) proteins. Hfq are also RNA-binding proteins, that form hexameric rings.	Domain
BA [auth e], LA [auth p]	PF01423	LSM domain (LSM)	LSM domain	The LSM domain contains Sm proteins as well as other related LSM (Like Sm) proteins. The U1, U2, U4/U6, and U5 small nuclear ribonucleoprotein particles (snRNPs) involved in pre-mRNA splicing contain seven Sm proteins (B/B', D1, D2, D3, E, F and G) i ...	The LSM domain contains Sm proteins as well as other related LSM (Like Sm) proteins. The U1, U2, U4/U6, and U5 small nuclear ribonucleoprotein particles (snRNPs) involved in pre-mRNA splicing contain seven Sm proteins (B/B', D1, D2, D3, E, F and G) in common, which assemble around the Sm site present in four of the major spliceosomal small nuclear RNAs. The U6 snRNP binds to the LSM (Like Sm) proteins [3]. Sm proteins are also found in archaebacteria, which do not have any splicing apparatus suggesting a more general role for Sm proteins. All Sm proteins contain a common sequence motif in two segments, Sm1 and Sm2, separated by a short variable linker. This family also includes the bacterial Hfq (host factor Q) proteins. Hfq are also RNA-binding proteins, that form hexameric rings.	Domain
CA [auth f], MA [auth q]	PF01423	LSM domain (LSM)	LSM domain	The LSM domain contains Sm proteins as well as other related LSM (Like Sm) proteins. The U1, U2, U4/U6, and U5 small nuclear ribonucleoprotein particles (snRNPs) involved in pre-mRNA splicing contain seven Sm proteins (B/B', D1, D2, D3, E, F and G) i ...	The LSM domain contains Sm proteins as well as other related LSM (Like Sm) proteins. The U1, U2, U4/U6, and U5 small nuclear ribonucleoprotein particles (snRNPs) involved in pre-mRNA splicing contain seven Sm proteins (B/B', D1, D2, D3, E, F and G) in common, which assemble around the Sm site present in four of the major spliceosomal small nuclear RNAs. The U6 snRNP binds to the LSM (Like Sm) proteins [3]. Sm proteins are also found in archaebacteria, which do not have any splicing apparatus suggesting a more general role for Sm proteins. All Sm proteins contain a common sequence motif in two segments, Sm1 and Sm2, separated by a short variable linker. This family also includes the bacterial Hfq (host factor Q) proteins. Hfq are also RNA-binding proteins, that form hexameric rings.	Domain
DA [auth g], NA [auth r]	PF01423	LSM domain (LSM)	LSM domain	The LSM domain contains Sm proteins as well as other related LSM (Like Sm) proteins. The U1, U2, U4/U6, and U5 small nuclear ribonucleoprotein particles (snRNPs) involved in pre-mRNA splicing contain seven Sm proteins (B/B', D1, D2, D3, E, F and G) i ...	The LSM domain contains Sm proteins as well as other related LSM (Like Sm) proteins. The U1, U2, U4/U6, and U5 small nuclear ribonucleoprotein particles (snRNPs) involved in pre-mRNA splicing contain seven Sm proteins (B/B', D1, D2, D3, E, F and G) in common, which assemble around the Sm site present in four of the major spliceosomal small nuclear RNAs. The U6 snRNP binds to the LSM (Like Sm) proteins [3]. Sm proteins are also found in archaebacteria, which do not have any splicing apparatus suggesting a more general role for Sm proteins. All Sm proteins contain a common sequence motif in two segments, Sm1 and Sm2, separated by a short variable linker. This family also includes the bacterial Hfq (host factor Q) proteins. Hfq are also RNA-binding proteins, that form hexameric rings.	Domain
FA [auth j], IA [auth m]	PF01423	LSM domain (LSM)	LSM domain	The LSM domain contains Sm proteins as well as other related LSM (Like Sm) proteins. The U1, U2, U4/U6, and U5 small nuclear ribonucleoprotein particles (snRNPs) involved in pre-mRNA splicing contain seven Sm proteins (B/B', D1, D2, D3, E, F and G) i ...	The LSM domain contains Sm proteins as well as other related LSM (Like Sm) proteins. The U1, U2, U4/U6, and U5 small nuclear ribonucleoprotein particles (snRNPs) involved in pre-mRNA splicing contain seven Sm proteins (B/B', D1, D2, D3, E, F and G) in common, which assemble around the Sm site present in four of the major spliceosomal small nuclear RNAs. The U6 snRNP binds to the LSM (Like Sm) proteins [3]. Sm proteins are also found in archaebacteria, which do not have any splicing apparatus suggesting a more general role for Sm proteins. All Sm proteins contain a common sequence motif in two segments, Sm1 and Sm2, separated by a short variable linker. This family also includes the bacterial Hfq (host factor Q) proteins. Hfq are also RNA-binding proteins, that form hexameric rings.	Domain
KA [auth o]	PF00400	WD domain, G-beta repeat (WD40)	WD domain, G-beta repeat	-	Repeat
TA [auth y]	PF08231	SYF2 splicing factor (SYF2)	SYF2 splicing factor	Proteins in this family are involved in cell cycle progression and pre-mRNA splicing [1] [2].	Domain
F [auth D]	PF04502	Saf4/Yju2 protein (Saf4_Yju2)	Saf4/Yju2 protein	-	Family
H	PF02847	MA3 domain (MA3)	MA3 domain	-	Repeat

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth 2]	U2 snRNA	-	-	-
D [auth A]	Pre-mRNA-splicing factor Prp8	peptidase activity catalytic activity, acting on a protein metallopeptidase activity hydrolase activity catalytic activity RNA binding snRNA binding binding organic cyclic compound binding nucleic acid binding U1 snRNA binding U6 snRNA binding mRNA binding U5 snRNA binding peptidase activity catalytic activity, acting on a protein metallopeptidase activity hydrolase activity catalytic activity RNA binding snRNA binding binding organic cyclic compound binding nucleic acid binding U1 snRNA binding U6 snRNA binding mRNA binding U5 snRNA binding U2 snRNA binding pre-mRNA binding pre-mRNA intronic binding	ribonucleoprotein complex biogenesis cellular biosynthetic process RNA metabolic process mRNA processing spliceosomal tri-snRNP complex assembly protein-RNA complex assembly cellular component organization cellular component biogenesis nucleobase-containing compound metabolic process protein-RNA complex organization cellular component assembly organic substance metabolic process protein-containing complex assembly organic substance biosynthetic process ribonucleoprotein complex biogenesis cellular biosynthetic process RNA metabolic process mRNA processing spliceosomal tri-snRNP complex assembly protein-RNA complex assembly cellular component organization cellular component biogenesis nucleobase-containing compound metabolic process protein-RNA complex organization cellular component assembly organic substance metabolic process protein-containing complex assembly organic substance biosynthetic process cellular component organization or biogenesis RNA processing RNA splicing protein-containing complex organization spliceosomal snRNP assembly cellular metabolic process primary metabolic process gene expression mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process organic cyclic compound metabolic process biosynthetic process RNA splicing, via transesterification reactions mRNA splicing, via spliceosome cellular process metabolic process RNA splicing, via transesterification reactions with bulged adenosine as nucleophile macromolecule metabolic process spliceosomal complex assembly mRNA splice site recognition mRNA 3'-splice site recognition mRNA 5'-splice site recognition mRNA cis splicing, via spliceosome generation of catalytic spliceosome for second transesterification step spliceosomal conformational changes to generate catalytic conformation	membrane-bounded organelle catalytic step 2 spliceosome protein-containing complex intracellular anatomical structure catalytic complex nucleus nuclear protein-containing complex intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle spliceosomal complex organelle ribonucleoprotein complex cytoplasm membrane-bounded organelle catalytic step 2 spliceosome protein-containing complex intracellular anatomical structure catalytic complex nucleus nuclear protein-containing complex intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle spliceosomal complex organelle ribonucleoprotein complex cytoplasm spliceosomal snRNP complex Sm-like protein family complex U4/U6 x U5 tri-snRNP complex spliceosomal tri-snRNP complex small nuclear ribonucleoprotein complex U5 snRNP
E [auth C]	Pre-mRNA-splicing factor SNU114	binding guanyl nucleotide binding GTP binding nucleotide binding guanyl ribonucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding organic cyclic compound binding purine nucleotide binding anion binding heterocyclic compound binding carbohydrate derivative binding binding guanyl nucleotide binding GTP binding nucleotide binding guanyl ribonucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding organic cyclic compound binding purine nucleotide binding anion binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding RNA binding snRNA binding U5 snRNA binding nucleic acid binding pyrophosphatase activity GTPase activity ribonucleoside triphosphate phosphatase activity hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides hydrolase activity hydrolase activity, acting on acid anhydrides catalytic activity	ribonucleoprotein complex biogenesis cellular biosynthetic process RNA metabolic process mRNA processing protein-RNA complex assembly cellular component organization cellular component biogenesis nucleobase-containing compound metabolic process protein-RNA complex organization cellular component assembly organic substance metabolic process protein-containing complex assembly organic substance biosynthetic process cellular component organization or biogenesis ribonucleoprotein complex biogenesis cellular biosynthetic process RNA metabolic process mRNA processing protein-RNA complex assembly cellular component organization cellular component biogenesis nucleobase-containing compound metabolic process protein-RNA complex organization cellular component assembly organic substance metabolic process protein-containing complex assembly organic substance biosynthetic process cellular component organization or biogenesis RNA processing RNA splicing generation of catalytic spliceosome for first transesterification step protein-containing complex organization cellular metabolic process spliceosomal conformational changes to generate catalytic conformation primary metabolic process gene expression mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process organic cyclic compound metabolic process biosynthetic process RNA splicing, via transesterification reactions mRNA splicing, via spliceosome cellular process metabolic process RNA splicing, via transesterification reactions with bulged adenosine as nucleophile macromolecule metabolic process spliceosomal tri-snRNP complex assembly spliceosomal snRNP assembly spliceosome conformational change to release U4 (or U4atac) and U1 (or U11)	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol membrane-bounded organelle spliceosomal snRNP complex protein-containing complex nucleus nuclear protein-containing complex Sm-like protein family complex intracellular membrane-bounded organelle intracellular organelle U4/U6 x U5 tri-snRNP complex spliceosomal tri-snRNP complex intracellular anatomical structure cytoplasm cellular anatomical entity cytosol membrane-bounded organelle spliceosomal snRNP complex protein-containing complex nucleus nuclear protein-containing complex Sm-like protein family complex intracellular membrane-bounded organelle intracellular organelle U4/U6 x U5 tri-snRNP complex spliceosomal tri-snRNP complex small nuclear ribonucleoprotein complex organelle ribonucleoprotein complex spliceosomal complex U5 snRNP U2-type spliceosomal complex catalytic step 2 spliceosome catalytic complex U2-type catalytic step 2 spliceosome
N	Pre-mRNA-splicing factor SLT11	pre-mRNA binding RNA binding binding organic cyclic compound binding nucleic acid binding U6 snRNA binding snRNA binding	RNA splicing cellular biosynthetic process cellular metabolic process RNA metabolic process primary metabolic process gene expression mRNA processing mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process organic cyclic compound metabolic process organic substance metabolic process biosynthetic process RNA splicing, via transesterification reactions RNA splicing cellular biosynthetic process cellular metabolic process RNA metabolic process primary metabolic process gene expression mRNA processing mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process organic cyclic compound metabolic process organic substance metabolic process biosynthetic process RNA splicing, via transesterification reactions mRNA splicing, via spliceosome organic substance biosynthetic process metabolic process cellular process RNA splicing, via transesterification reactions with bulged adenosine as nucleophile macromolecule metabolic process RNA processing	membrane-bounded organelle U2-type spliceosomal complex protein-containing complex intracellular anatomical structure catalytic complex nucleus nuclear protein-containing complex U2-type catalytic step 1 spliceosome intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle spliceosomal complex organelle ribonucleoprotein complex membrane-bounded organelle U2-type spliceosomal complex protein-containing complex intracellular anatomical structure catalytic complex nucleus nuclear protein-containing complex U2-type catalytic step 1 spliceosome intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle spliceosomal complex organelle ribonucleoprotein complex catalytic step 1 spliceosome catalytic step 2 spliceosome U2-type catalytic step 2 spliceosome Prp19 complex
O	Pre-mRNA-splicing factor CEF1	DNA binding binding organic cyclic compound binding nucleic acid binding	RNA splicing cellular biosynthetic process cellular metabolic process RNA metabolic process primary metabolic process gene expression mRNA processing mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process organic cyclic compound metabolic process organic substance metabolic process biosynthetic process RNA splicing, via transesterification reactions RNA splicing cellular biosynthetic process cellular metabolic process RNA metabolic process primary metabolic process gene expression mRNA processing mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process organic cyclic compound metabolic process organic substance metabolic process biosynthetic process RNA splicing, via transesterification reactions mRNA splicing, via spliceosome organic substance biosynthetic process metabolic process cellular process RNA splicing, via transesterification reactions with bulged adenosine as nucleophile macromolecule metabolic process RNA processing ribonucleoprotein complex biogenesis protein-RNA complex assembly cellular component organization cellular component biogenesis protein-RNA complex organization cellular component assembly protein-containing complex assembly cellular component organization or biogenesis generation of catalytic spliceosome for second transesterification step protein-containing complex organization spliceosomal conformational changes to generate catalytic conformation	membrane-bounded organelle U2-type spliceosomal complex protein-containing complex intracellular anatomical structure catalytic complex nucleus nuclear protein-containing complex U2-type catalytic step 1 spliceosome intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle spliceosomal complex organelle ribonucleoprotein complex membrane-bounded organelle U2-type spliceosomal complex protein-containing complex intracellular anatomical structure catalytic complex nucleus nuclear protein-containing complex U2-type catalytic step 1 spliceosome intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle spliceosomal complex organelle ribonucleoprotein complex catalytic step 1 spliceosome Prp19 complex cytoplasm
Q [auth R]	Pre-mRNA-splicing factor CWC21	-	RNA splicing cellular biosynthetic process cellular metabolic process RNA metabolic process primary metabolic process gene expression mRNA processing mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process organic cyclic compound metabolic process organic substance metabolic process biosynthetic process RNA splicing, via transesterification reactions RNA splicing cellular biosynthetic process cellular metabolic process RNA metabolic process primary metabolic process gene expression mRNA processing mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process organic cyclic compound metabolic process organic substance metabolic process biosynthetic process RNA splicing, via transesterification reactions mRNA splicing, via spliceosome organic substance biosynthetic process metabolic process cellular process RNA splicing, via transesterification reactions with bulged adenosine as nucleophile macromolecule metabolic process RNA processing	membrane-bounded organelle U2-type spliceosomal complex protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle spliceosomal complex organelle ribonucleoprotein complex cytoplasm
W [auth Y]	U2 small nuclear ribonucleoprotein B''	RNA binding snRNA binding binding organic cyclic compound binding nucleic acid binding U2 snRNA binding	ribonucleoprotein complex biogenesis cellular biosynthetic process RNA metabolic process mRNA processing protein-RNA complex assembly cellular component organization cellular component biogenesis nucleobase-containing compound metabolic process spliceosomal complex assembly protein-RNA complex organization cellular component assembly organic substance metabolic process protein-containing complex assembly organic substance biosynthetic process ribonucleoprotein complex biogenesis cellular biosynthetic process RNA metabolic process mRNA processing protein-RNA complex assembly cellular component organization cellular component biogenesis nucleobase-containing compound metabolic process spliceosomal complex assembly protein-RNA complex organization cellular component assembly organic substance metabolic process protein-containing complex assembly organic substance biosynthetic process cellular component organization or biogenesis RNA processing RNA splicing protein-containing complex organization cellular metabolic process primary metabolic process gene expression mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process organic cyclic compound metabolic process biosynthetic process RNA splicing, via transesterification reactions U2-type prespliceosome assembly mRNA splicing, via spliceosome cellular process metabolic process RNA splicing, via transesterification reactions with bulged adenosine as nucleophile macromolecule metabolic process	membrane-bounded organelle spliceosomal snRNP complex protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex Sm-like protein family complex intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle small nuclear ribonucleoprotein complex organelle ribonucleoprotein complex U2 snRNP membrane-bounded organelle spliceosomal snRNP complex protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex Sm-like protein family complex intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle small nuclear ribonucleoprotein complex organelle ribonucleoprotein complex U2 snRNP U2-type spliceosomal complex prespliceosome U2-type prespliceosome spliceosomal complex
X [auth a]	Pre-mRNA-splicing factor Prp18	-	regulation of cellular process negative regulation of biological process negative regulation of cellular metabolic process nucleobase-containing compound metabolic process organic substance biosynthetic process RNA catabolic process mRNA catabolic process nuclear RNA surveillance regulation of biological process cellular metabolic process negative regulation of metabolic process regulation of cellular metabolic process primary metabolic process negative regulation of cellular biosynthetic process regulation of cellular process negative regulation of biological process negative regulation of cellular metabolic process nucleobase-containing compound metabolic process organic substance biosynthetic process RNA catabolic process mRNA catabolic process nuclear RNA surveillance regulation of biological process cellular metabolic process negative regulation of metabolic process regulation of cellular metabolic process primary metabolic process negative regulation of cellular biosynthetic process nucleobase-containing compound catabolic process regulation of gene expression organic cyclic compound metabolic process negative regulation of gene expression biosynthetic process negative regulation of macromolecule biosynthetic process nucleic acid catabolic process regulation of macromolecule biosynthetic process metabolic process macromolecule metabolic process regulation of metabolic process catabolic process cellular biosynthetic process RNA metabolic process macromolecule catabolic process organic substance metabolic process negative regulation of cellular process RNA surveillance negative regulation of macromolecule metabolic process regulation of biosynthetic process nuclear-transcribed mRNA catabolic process nuclear mRNA surveillance biological regulation regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process mRNA metabolic process nucleic acid metabolic process organic cyclic compound catabolic process regulation of cellular biosynthetic process negative regulation of biosynthetic process cellular process organic substance catabolic process RNA splicing mRNA processing RNA splicing, via transesterification reactions mRNA splicing, via spliceosome RNA splicing, via transesterification reactions with bulged adenosine as nucleophile RNA processing ribonucleoprotein complex biogenesis protein-RNA complex assembly cellular component organization cellular component biogenesis protein-RNA complex organization cellular component assembly protein-containing complex assembly cellular component organization or biogenesis generation of catalytic spliceosome for second transesterification step protein-containing complex organization spliceosomal conformational changes to generate catalytic conformation	U5 snRNP membrane-bounded organelle spliceosomal snRNP complex protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex Sm-like protein family complex intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle small nuclear ribonucleoprotein complex organelle ribonucleoprotein complex U5 snRNP membrane-bounded organelle spliceosomal snRNP complex protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex Sm-like protein family complex intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle small nuclear ribonucleoprotein complex organelle ribonucleoprotein complex U4/U6 x U5 tri-snRNP complex spliceosomal tri-snRNP complex U2-type spliceosomal complex post-spliceosomal complex spliceosomal complex U2-type post-spliceosomal complex
EA [auth h], HA [auth l]	Small nuclear ribonucleoprotein Sm D1	RNA binding binding organic cyclic compound binding nucleic acid binding mRNA binding	ribonucleoprotein complex biogenesis cellular biosynthetic process RNA metabolic process mRNA processing protein-RNA complex assembly cellular component organization cellular component biogenesis nucleobase-containing compound metabolic process spliceosomal complex assembly protein-RNA complex organization cellular component assembly organic substance metabolic process protein-containing complex assembly organic substance biosynthetic process ribonucleoprotein complex biogenesis cellular biosynthetic process RNA metabolic process mRNA processing protein-RNA complex assembly cellular component organization cellular component biogenesis nucleobase-containing compound metabolic process spliceosomal complex assembly protein-RNA complex organization cellular component assembly organic substance metabolic process protein-containing complex assembly organic substance biosynthetic process cellular component organization or biogenesis RNA processing RNA splicing protein-containing complex organization cellular metabolic process primary metabolic process gene expression mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process organic cyclic compound metabolic process biosynthetic process RNA splicing, via transesterification reactions U2-type prespliceosome assembly mRNA splicing, via spliceosome cellular process metabolic process RNA splicing, via transesterification reactions with bulged adenosine as nucleophile macromolecule metabolic process spliceosomal snRNP assembly mRNA splice site recognition mRNA 5'-splice site recognition mRNA cis splicing, via spliceosome RNA capping 7-methylguanosine cap hypermethylation macromolecule methylation RNA modification methylation macromolecule modification RNA 5'-end processing RNA methylation	membrane-bounded organelle spliceosomal snRNP complex protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex Sm-like protein family complex intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle U4 snRNP small nuclear ribonucleoprotein complex organelle ribonucleoprotein complex membrane-bounded organelle spliceosomal snRNP complex protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex Sm-like protein family complex intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle U4 snRNP small nuclear ribonucleoprotein complex organelle ribonucleoprotein complex pICln-Sm protein complex cytoplasm spliceosomal complex precatalytic spliceosome U2 snRNP catalytic step 2 spliceosome catalytic complex cytosol U4/U6 snRNP U4/U6 x U5 tri-snRNP complex spliceosomal tri-snRNP complex U1 snRNP SMN-Sm protein complex U5 snRNP U2-type spliceosomal complex commitment complex prespliceosome U2-type prespliceosome
OA [auth s]	Pre-mRNA-splicing factor SNT309	-	RNA splicing cellular biosynthetic process cellular metabolic process RNA metabolic process primary metabolic process gene expression mRNA processing mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process organic cyclic compound metabolic process organic substance metabolic process biosynthetic process RNA splicing, via transesterification reactions RNA splicing cellular biosynthetic process cellular metabolic process RNA metabolic process primary metabolic process gene expression mRNA processing mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process organic cyclic compound metabolic process organic substance metabolic process biosynthetic process RNA splicing, via transesterification reactions mRNA splicing, via spliceosome organic substance biosynthetic process metabolic process cellular process RNA splicing, via transesterification reactions with bulged adenosine as nucleophile macromolecule metabolic process RNA processing	membrane-bounded organelle U2-type spliceosomal complex protein-containing complex intracellular anatomical structure catalytic complex nucleus nuclear protein-containing complex U2-type catalytic step 1 spliceosome intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle spliceosomal complex organelle ribonucleoprotein complex membrane-bounded organelle U2-type spliceosomal complex protein-containing complex intracellular anatomical structure catalytic complex nucleus nuclear protein-containing complex U2-type catalytic step 1 spliceosome intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle spliceosomal complex organelle ribonucleoprotein complex catalytic step 1 spliceosome Prp19 complex
PA [auth t], QA [auth u], RA [auth v], SA [auth w]	Pre-mRNA-processing factor Prp19	aminoacyltransferase activity ubiquitin-like protein transferase activity catalytic activity, acting on a protein acyltransferase activity transferase activity catalytic activity ubiquitin-protein transferase activity ubiquitin-like protein ligase activity ubiquitin protein ligase activity identical protein binding protein binding binding	organonitrogen compound metabolic process protein polyubiquitination primary metabolic process protein K63-linked ubiquitination organic substance metabolic process protein ubiquitination macromolecule modification metabolic process protein metabolic process macromolecule metabolic process post-translational protein modification protein modification process protein modification by small protein conjugation protein modification by small protein conjugation or removal organonitrogen compound metabolic process protein polyubiquitination primary metabolic process protein K63-linked ubiquitination organic substance metabolic process protein ubiquitination macromolecule modification metabolic process protein metabolic process macromolecule metabolic process post-translational protein modification protein modification process protein modification by small protein conjugation protein modification by small protein conjugation or removal ribonucleoprotein complex biogenesis cellular biosynthetic process RNA metabolic process mRNA processing protein-RNA complex assembly cellular component organization cellular component biogenesis nucleobase-containing compound metabolic process protein-RNA complex organization cellular component assembly protein-containing complex assembly organic substance biosynthetic process cellular component organization or biogenesis RNA processing RNA splicing generation of catalytic spliceosome for first transesterification step protein-containing complex organization cellular metabolic process spliceosomal conformational changes to generate catalytic conformation gene expression mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process organic cyclic compound metabolic process biosynthetic process RNA splicing, via transesterification reactions mRNA splicing, via spliceosome cellular process RNA splicing, via transesterification reactions with bulged adenosine as nucleophile cellular response to stimulus response to stimulus DNA metabolic process cellular response to stress DNA damage response response to stress DNA repair	membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle U2-type spliceosomal complex protein-containing complex catalytic complex nucleus nuclear protein-containing complex U2-type catalytic step 1 spliceosome membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle U2-type spliceosomal complex protein-containing complex catalytic complex nucleus nuclear protein-containing complex U2-type catalytic step 1 spliceosome spliceosomal complex ribonucleoprotein complex catalytic step 1 spliceosome Prp19 complex cytosol
J	Pre-mRNA-splicing factor PRP46	-	RNA splicing cellular biosynthetic process cellular metabolic process RNA metabolic process primary metabolic process gene expression mRNA processing mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process organic cyclic compound metabolic process organic substance metabolic process biosynthetic process RNA splicing, via transesterification reactions RNA splicing cellular biosynthetic process cellular metabolic process RNA metabolic process primary metabolic process gene expression mRNA processing mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process organic cyclic compound metabolic process organic substance metabolic process biosynthetic process RNA splicing, via transesterification reactions mRNA splicing, via spliceosome organic substance biosynthetic process metabolic process cellular process RNA splicing, via transesterification reactions with bulged adenosine as nucleophile macromolecule metabolic process RNA processing	intracellular anatomical structure cytoplasm cellular anatomical entity membrane-bounded organelle catalytic step 2 spliceosome protein-containing complex catalytic complex nucleus nuclear protein-containing complex intracellular membrane-bounded organelle intracellular organelle spliceosomal complex organelle ribonucleoprotein complex intracellular anatomical structure cytoplasm cellular anatomical entity membrane-bounded organelle catalytic step 2 spliceosome protein-containing complex catalytic complex nucleus nuclear protein-containing complex intracellular membrane-bounded organelle intracellular organelle spliceosomal complex organelle ribonucleoprotein complex Prp19 complex
K	Pre-mRNA-processing protein 45	-	ribonucleoprotein complex biogenesis cellular biosynthetic process RNA metabolic process mRNA processing protein-RNA complex assembly cellular component organization cellular component biogenesis nucleobase-containing compound metabolic process protein-RNA complex organization cellular component assembly organic substance metabolic process protein-containing complex assembly organic substance biosynthetic process cellular component organization or biogenesis ribonucleoprotein complex biogenesis cellular biosynthetic process RNA metabolic process mRNA processing protein-RNA complex assembly cellular component organization cellular component biogenesis nucleobase-containing compound metabolic process protein-RNA complex organization cellular component assembly organic substance metabolic process protein-containing complex assembly organic substance biosynthetic process cellular component organization or biogenesis RNA processing generation of catalytic spliceosome for second transesterification step RNA splicing protein-containing complex organization cellular metabolic process spliceosomal conformational changes to generate catalytic conformation primary metabolic process gene expression mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process organic cyclic compound metabolic process biosynthetic process RNA splicing, via transesterification reactions mRNA splicing, via spliceosome cellular process metabolic process RNA splicing, via transesterification reactions with bulged adenosine as nucleophile macromolecule metabolic process	membrane-bounded organelle U2-type spliceosomal complex protein-containing complex intracellular anatomical structure catalytic complex nucleus nuclear protein-containing complex U2-type catalytic step 1 spliceosome intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle spliceosomal complex organelle ribonucleoprotein complex membrane-bounded organelle U2-type spliceosomal complex protein-containing complex intracellular anatomical structure catalytic complex nucleus nuclear protein-containing complex U2-type catalytic step 1 spliceosome intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle spliceosomal complex organelle ribonucleoprotein complex catalytic step 1 spliceosome post-mRNA release spliceosomal complex catalytic step 2 spliceosome U2-type catalytic step 2 spliceosome
L	Pre-mRNA-splicing factor BUD31	-	RNA splicing cellular biosynthetic process cellular metabolic process RNA metabolic process primary metabolic process gene expression mRNA processing mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process organic cyclic compound metabolic process organic substance metabolic process biosynthetic process RNA splicing, via transesterification reactions RNA splicing cellular biosynthetic process cellular metabolic process RNA metabolic process primary metabolic process gene expression mRNA processing mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process organic cyclic compound metabolic process organic substance metabolic process biosynthetic process RNA splicing, via transesterification reactions mRNA splicing, via spliceosome organic substance biosynthetic process metabolic process cellular process RNA splicing, via transesterification reactions with bulged adenosine as nucleophile macromolecule metabolic process RNA processing cytoskeleton-dependent cytokinesis mitotic cytokinesis cytokinesis establishment or maintenance of cell polarity mitotic cell cycle establishment of cell polarity mitotic cell cycle process cell cycle cell division cellular bud site selection cell cycle process	membrane-bounded organelle spliceosomal snRNP complex protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex Sm-like protein family complex intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle small nuclear ribonucleoprotein complex organelle ribonucleoprotein complex U2 snRNP membrane-bounded organelle spliceosomal snRNP complex protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex Sm-like protein family complex intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle small nuclear ribonucleoprotein complex organelle ribonucleoprotein complex U2 snRNP spliceosomal complex
M	Pre-mRNA-splicing factor CWC2	pre-mRNA binding RNA binding binding organic cyclic compound binding nucleic acid binding U6 snRNA binding snRNA binding cation binding ion binding metal ion binding small molecule binding	regulation of biological process regulation of cellular process biological regulation positive regulation of biological process cellular process cell cycle regulation of cell cycle positive regulation of cell cycle positive regulation of cellular process cellular biosynthetic process RNA metabolic process positive regulation of cellular metabolic process positive regulation of macromolecule biosynthetic process regulation of primary metabolic process regulation of biological process regulation of cellular process biological regulation positive regulation of biological process cellular process cell cycle regulation of cell cycle positive regulation of cell cycle positive regulation of cellular process cellular biosynthetic process RNA metabolic process positive regulation of cellular metabolic process positive regulation of macromolecule biosynthetic process regulation of primary metabolic process nucleobase-containing compound metabolic process positive regulation of metabolic process regulation of RNA metabolic process organic substance metabolic process positive regulation of biosynthetic process organic substance biosynthetic process positive regulation of macromolecule metabolic process RNA processing regulation of nucleobase-containing compound metabolic process regulation of biosynthetic process RNA splicing positive regulation of nucleobase-containing compound metabolic process cellular metabolic process primary metabolic process regulation of cellular metabolic process regulation of macromolecule metabolic process gene expression regulation of RNA splicing macromolecule biosynthetic process nucleic acid metabolic process positive regulation of RNA metabolic process regulation of cellular biosynthetic process organic cyclic compound metabolic process regulation of gene expression biosynthetic process positive regulation of gene expression metabolic process regulation of macromolecule biosynthetic process macromolecule metabolic process positive regulation of RNA splicing regulation of metabolic process positive regulation of cellular biosynthetic process mRNA processing mRNA metabolic process RNA splicing, via transesterification reactions mRNA cis splicing, via spliceosome mRNA splicing, via spliceosome RNA splicing, via transesterification reactions with bulged adenosine as nucleophile ribonucleoprotein complex biogenesis protein-RNA complex assembly cellular component organization cellular component biogenesis protein-RNA complex organization cellular component assembly protein-containing complex assembly cellular component organization or biogenesis protein-containing complex organization spliceosomal snRNP assembly	membrane-bounded organelle U2-type spliceosomal complex protein-containing complex intracellular anatomical structure catalytic complex nucleus nuclear protein-containing complex U2-type catalytic step 1 spliceosome intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle spliceosomal complex organelle ribonucleoprotein complex membrane-bounded organelle U2-type spliceosomal complex protein-containing complex intracellular anatomical structure catalytic complex nucleus nuclear protein-containing complex U2-type catalytic step 1 spliceosome intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle spliceosomal complex organelle ribonucleoprotein complex catalytic step 1 spliceosome Prp19 complex catalytic step 2 spliceosome U2-type catalytic step 2 spliceosome
P	Pre-mRNA-splicing factor CWC15	RNA binding binding organic cyclic compound binding nucleic acid binding	cellular biosynthetic process RNA metabolic process mRNA processing nucleobase-containing compound metabolic process organic substance metabolic process organic substance biosynthetic process RNA processing RNA splicing cellular metabolic process primary metabolic process gene expression mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process cellular biosynthetic process RNA metabolic process mRNA processing nucleobase-containing compound metabolic process organic substance metabolic process organic substance biosynthetic process RNA processing RNA splicing cellular metabolic process primary metabolic process gene expression mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process organic cyclic compound metabolic process biosynthetic process RNA splicing, via transesterification reactions mRNA cis splicing, via spliceosome mRNA splicing, via spliceosome metabolic process cellular process RNA splicing, via transesterification reactions with bulged adenosine as nucleophile macromolecule metabolic process	membrane-bounded organelle U2-type spliceosomal complex protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle spliceosomal complex organelle ribonucleoprotein complex catalytic step 2 spliceosome catalytic complex
R [auth S]	Pre-mRNA-splicing factor CLF1	DNA binding sequence-specific DNA binding sequence-specific double-stranded DNA binding double-stranded DNA binding binding organic cyclic compound binding nucleic acid binding DNA replication origin binding protein-containing complex binding chromatin binding	ribonucleoprotein complex biogenesis cellular biosynthetic process RNA metabolic process mRNA processing protein-RNA complex assembly nucleobase-containing compound metabolic process cellular component organization cellular component biogenesis spliceosomal complex assembly organic substance metabolic process protein-RNA complex organization cellular component assembly organic substance biosynthetic process protein-containing complex assembly ribonucleoprotein complex biogenesis cellular biosynthetic process RNA metabolic process mRNA processing protein-RNA complex assembly nucleobase-containing compound metabolic process cellular component organization cellular component biogenesis spliceosomal complex assembly organic substance metabolic process protein-RNA complex organization cellular component assembly organic substance biosynthetic process protein-containing complex assembly RNA processing cellular component organization or biogenesis RNA splicing protein-containing complex organization cellular metabolic process primary metabolic process gene expression mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process organic cyclic compound metabolic process biosynthetic process RNA splicing, via transesterification reactions mRNA cis splicing, via spliceosome cis assembly of pre-catalytic spliceosome mRNA splicing, via spliceosome metabolic process cellular process RNA splicing, via transesterification reactions with bulged adenosine as nucleophile macromolecule metabolic process DNA-templated DNA replication DNA replication initiation DNA metabolic process DNA replication	membrane-bounded organelle U2-type spliceosomal complex protein-containing complex intracellular anatomical structure catalytic complex nucleus nuclear protein-containing complex U2-type catalytic step 1 spliceosome intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle spliceosomal complex organelle ribonucleoprotein complex membrane-bounded organelle U2-type spliceosomal complex protein-containing complex intracellular anatomical structure catalytic complex nucleus nuclear protein-containing complex U2-type catalytic step 1 spliceosome intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle spliceosomal complex organelle ribonucleoprotein complex catalytic step 1 spliceosome Prp19 complex U2-type post-mRNA release spliceosomal complex post-mRNA release spliceosomal complex prespliceosome U2-type prespliceosome protein-DNA complex intracellular non-membrane-bounded organelle chromatin chromosome non-membrane-bounded organelle catalytic step 2 spliceosome U2-type catalytic step 2 spliceosome
S [auth T]	Pre-mRNA-splicing factor SYF1	-	ribonucleoprotein complex biogenesis cellular biosynthetic process RNA metabolic process mRNA processing protein-RNA complex assembly cellular component organization cellular component biogenesis nucleobase-containing compound metabolic process protein-RNA complex organization cellular component assembly organic substance metabolic process protein-containing complex assembly organic substance biosynthetic process cellular component organization or biogenesis ribonucleoprotein complex biogenesis cellular biosynthetic process RNA metabolic process mRNA processing protein-RNA complex assembly cellular component organization cellular component biogenesis nucleobase-containing compound metabolic process protein-RNA complex organization cellular component assembly organic substance metabolic process protein-containing complex assembly organic substance biosynthetic process cellular component organization or biogenesis RNA processing RNA splicing generation of catalytic spliceosome for first transesterification step protein-containing complex organization cellular metabolic process spliceosomal conformational changes to generate catalytic conformation primary metabolic process gene expression mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process organic cyclic compound metabolic process biosynthetic process RNA splicing, via transesterification reactions mRNA splicing, via spliceosome cellular process metabolic process RNA splicing, via transesterification reactions with bulged adenosine as nucleophile macromolecule metabolic process	membrane-bounded organelle U2-type spliceosomal complex protein-containing complex intracellular anatomical structure catalytic complex nucleus nuclear protein-containing complex U2-type catalytic step 1 spliceosome intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle spliceosomal complex organelle ribonucleoprotein complex membrane-bounded organelle U2-type spliceosomal complex protein-containing complex intracellular anatomical structure catalytic complex nucleus nuclear protein-containing complex U2-type catalytic step 1 spliceosome intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle spliceosomal complex organelle ribonucleoprotein complex catalytic step 1 spliceosome Prp19 complex cytoplasm cytosol U2-type post-mRNA release spliceosomal complex post-mRNA release spliceosomal complex prespliceosome U2-type prespliceosome catalytic step 2 spliceosome U2-type catalytic step 2 spliceosome
B [auth 5]	U5 snRNA	-	-	-
T [auth V]	Pre-mRNA-splicing factor ATP-dependent RNA helicase PRP22	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding pyrophosphatase activity ATP hydrolysis activity ribonucleoside triphosphate phosphatase activity hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides hydrolase activity hydrolase activity, acting on acid anhydrides catalytic activity ATP-dependent activity catalytic activity, acting on RNA catalytic activity, acting on a nucleic acid helicase activity RNA helicase activity ATP-dependent activity, acting on RNA RNA binding nucleic acid binding	ribonucleoprotein complex biogenesis cellular biosynthetic process RNA metabolic process mRNA processing protein-RNA complex assembly cellular component organization cellular component biogenesis nucleobase-containing compound metabolic process protein-RNA complex organization cellular component assembly organic substance metabolic process protein-containing complex assembly organic substance biosynthetic process cellular component organization or biogenesis ribonucleoprotein complex biogenesis cellular biosynthetic process RNA metabolic process mRNA processing protein-RNA complex assembly cellular component organization cellular component biogenesis nucleobase-containing compound metabolic process protein-RNA complex organization cellular component assembly organic substance metabolic process protein-containing complex assembly organic substance biosynthetic process cellular component organization or biogenesis RNA processing generation of catalytic spliceosome for second transesterification step RNA splicing protein-containing complex organization cellular metabolic process spliceosomal conformational changes to generate catalytic conformation primary metabolic process gene expression mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process organic cyclic compound metabolic process biosynthetic process RNA splicing, via transesterification reactions mRNA splicing, via spliceosome cellular process metabolic process RNA splicing, via transesterification reactions with bulged adenosine as nucleophile macromolecule metabolic process protein-containing complex disassembly cellular component disassembly protein-RNA complex disassembly spliceosomal complex disassembly	membrane-bounded organelle catalytic step 2 spliceosome protein-containing complex intracellular anatomical structure catalytic complex nucleus nuclear protein-containing complex intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle spliceosomal complex organelle ribonucleoprotein complex U2-type spliceosomal complex membrane-bounded organelle catalytic step 2 spliceosome protein-containing complex intracellular anatomical structure catalytic complex nucleus nuclear protein-containing complex intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle spliceosomal complex organelle ribonucleoprotein complex U2-type spliceosomal complex U2-type catalytic step 2 spliceosome post-spliceosomal complex U2-type post-spliceosomal complex
U [auth W]	U2 small nuclear ribonucleoprotein A'	RNA binding snRNA binding binding organic cyclic compound binding nucleic acid binding U2 snRNA binding	ribonucleoprotein complex biogenesis cellular biosynthetic process RNA metabolic process mRNA processing protein-RNA complex assembly cellular component organization cellular component biogenesis nucleobase-containing compound metabolic process spliceosomal complex assembly protein-RNA complex organization cellular component assembly organic substance metabolic process protein-containing complex assembly organic substance biosynthetic process ribonucleoprotein complex biogenesis cellular biosynthetic process RNA metabolic process mRNA processing protein-RNA complex assembly cellular component organization cellular component biogenesis nucleobase-containing compound metabolic process spliceosomal complex assembly protein-RNA complex organization cellular component assembly organic substance metabolic process protein-containing complex assembly organic substance biosynthetic process cellular component organization or biogenesis RNA processing RNA splicing protein-containing complex organization cellular metabolic process primary metabolic process gene expression mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process organic cyclic compound metabolic process biosynthetic process RNA splicing, via transesterification reactions U2-type prespliceosome assembly mRNA splicing, via spliceosome cellular process metabolic process RNA splicing, via transesterification reactions with bulged adenosine as nucleophile macromolecule metabolic process	intracellular anatomical structure cytoplasm cellular anatomical entity membrane-bounded organelle spliceosomal snRNP complex protein-containing complex nucleus nuclear protein-containing complex Sm-like protein family complex intracellular membrane-bounded organelle intracellular organelle small nuclear ribonucleoprotein complex organelle ribonucleoprotein complex intracellular anatomical structure cytoplasm cellular anatomical entity membrane-bounded organelle spliceosomal snRNP complex protein-containing complex nucleus nuclear protein-containing complex Sm-like protein family complex intracellular membrane-bounded organelle intracellular organelle small nuclear ribonucleoprotein complex organelle ribonucleoprotein complex U2 snRNP U2-type spliceosomal complex prespliceosome U2-type prespliceosome spliceosomal complex
V [auth X]	Unassigned structure	-	-	-
GA [auth k], Y [auth b]	Small nuclear ribonucleoprotein-associated protein B	RNA binding binding organic cyclic compound binding nucleic acid binding	ribonucleoprotein complex biogenesis cellular biosynthetic process RNA metabolic process mRNA processing protein-RNA complex assembly cellular component organization cellular component biogenesis nucleobase-containing compound metabolic process spliceosomal complex assembly protein-RNA complex organization cellular component assembly organic substance metabolic process protein-containing complex assembly organic substance biosynthetic process ribonucleoprotein complex biogenesis cellular biosynthetic process RNA metabolic process mRNA processing protein-RNA complex assembly cellular component organization cellular component biogenesis nucleobase-containing compound metabolic process spliceosomal complex assembly protein-RNA complex organization cellular component assembly organic substance metabolic process protein-containing complex assembly organic substance biosynthetic process cellular component organization or biogenesis RNA processing RNA splicing protein-containing complex organization cellular metabolic process primary metabolic process gene expression mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process organic cyclic compound metabolic process biosynthetic process RNA splicing, via transesterification reactions mRNA splicing, via spliceosome cellular process metabolic process RNA splicing, via transesterification reactions with bulged adenosine as nucleophile macromolecule metabolic process mRNA splice site recognition mRNA 5'-splice site recognition mRNA cis splicing, via spliceosome RNA capping 7-methylguanosine cap hypermethylation macromolecule methylation RNA modification methylation macromolecule modification RNA 5'-end processing RNA methylation U2-type prespliceosome assembly spliceosomal snRNP assembly	membrane-bounded organelle spliceosomal snRNP complex protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex Sm-like protein family complex intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle U4 snRNP small nuclear ribonucleoprotein complex organelle ribonucleoprotein complex membrane-bounded organelle spliceosomal snRNP complex protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex Sm-like protein family complex intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle U4 snRNP small nuclear ribonucleoprotein complex organelle ribonucleoprotein complex U2 snRNP catalytic step 2 spliceosome catalytic complex spliceosomal complex U4/U6 snRNP U5 snRNP U2-type spliceosomal complex commitment complex cytoplasm U4/U6 x U5 tri-snRNP complex spliceosomal tri-snRNP complex prespliceosome U2-type prespliceosome U1 snRNP
Z [auth c]	Pre-mRNA-splicing factor SLU7	pre-mRNA binding RNA binding pre-mRNA 3'-splice site binding binding organic cyclic compound binding nucleic acid binding cation binding transition metal ion binding zinc ion binding ion binding metal ion binding small molecule binding	ribonucleoprotein complex biogenesis cellular biosynthetic process RNA metabolic process mRNA processing protein-RNA complex assembly cellular component organization cellular component biogenesis nucleobase-containing compound metabolic process protein-RNA complex organization cellular component assembly organic substance metabolic process protein-containing complex assembly organic substance biosynthetic process cellular component organization or biogenesis ribonucleoprotein complex biogenesis cellular biosynthetic process RNA metabolic process mRNA processing protein-RNA complex assembly cellular component organization cellular component biogenesis nucleobase-containing compound metabolic process protein-RNA complex organization cellular component assembly organic substance metabolic process protein-containing complex assembly organic substance biosynthetic process cellular component organization or biogenesis RNA processing generation of catalytic spliceosome for second transesterification step RNA splicing protein-containing complex organization cellular metabolic process spliceosomal conformational changes to generate catalytic conformation primary metabolic process gene expression mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process organic cyclic compound metabolic process biosynthetic process RNA splicing, via transesterification reactions mRNA splicing, via spliceosome cellular process metabolic process RNA splicing, via transesterification reactions with bulged adenosine as nucleophile macromolecule metabolic process	membrane-bounded organelle U2-type spliceosomal complex protein-containing complex intracellular anatomical structure nucleus post-spliceosomal complex nuclear protein-containing complex intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle spliceosomal complex organelle ribonucleoprotein complex U2-type post-spliceosomal complex
AA [auth d], JA [auth n]	Small nuclear ribonucleoprotein Sm D3	RNA binding binding organic cyclic compound binding nucleic acid binding mRNA binding	ribonucleoprotein complex biogenesis cellular biosynthetic process RNA metabolic process mRNA processing protein-RNA complex assembly cellular component organization cellular component biogenesis nucleobase-containing compound metabolic process spliceosomal complex assembly protein-RNA complex organization cellular component assembly organic substance metabolic process protein-containing complex assembly organic substance biosynthetic process ribonucleoprotein complex biogenesis cellular biosynthetic process RNA metabolic process mRNA processing protein-RNA complex assembly cellular component organization cellular component biogenesis nucleobase-containing compound metabolic process spliceosomal complex assembly protein-RNA complex organization cellular component assembly organic substance metabolic process protein-containing complex assembly organic substance biosynthetic process cellular component organization or biogenesis RNA processing RNA splicing protein-containing complex organization cellular metabolic process primary metabolic process gene expression mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process organic cyclic compound metabolic process biosynthetic process RNA splicing, via transesterification reactions U2-type prespliceosome assembly mRNA splicing, via spliceosome cellular process metabolic process RNA splicing, via transesterification reactions with bulged adenosine as nucleophile macromolecule metabolic process spliceosomal snRNP assembly mRNA splice site recognition mRNA 5'-splice site recognition mRNA cis splicing, via spliceosome RNA capping 7-methylguanosine cap hypermethylation macromolecule methylation RNA modification methylation macromolecule modification RNA 5'-end processing RNA methylation	membrane-bounded organelle spliceosomal snRNP complex protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex Sm-like protein family complex intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle U4 snRNP small nuclear ribonucleoprotein complex organelle ribonucleoprotein complex membrane-bounded organelle spliceosomal snRNP complex protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex Sm-like protein family complex intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle U4 snRNP small nuclear ribonucleoprotein complex organelle ribonucleoprotein complex pICln-Sm protein complex cytoplasm spliceosomal complex precatalytic spliceosome U2 snRNP catalytic step 2 spliceosome catalytic complex cytosol U4/U6 snRNP U4/U6 x U5 tri-snRNP complex spliceosomal tri-snRNP complex U1 snRNP SMN-Sm protein complex U5 snRNP U2-type spliceosomal complex commitment complex prespliceosome U2-type prespliceosome
BA [auth e], LA [auth p]	Small nuclear ribonucleoprotein E	RNA binding binding organic cyclic compound binding nucleic acid binding splicing factor binding protein binding	ribonucleoprotein complex biogenesis cellular biosynthetic process RNA metabolic process mRNA processing protein-RNA complex assembly cellular component organization cellular component biogenesis nucleobase-containing compound metabolic process spliceosomal complex assembly protein-RNA complex organization cellular component assembly organic substance metabolic process protein-containing complex assembly organic substance biosynthetic process ribonucleoprotein complex biogenesis cellular biosynthetic process RNA metabolic process mRNA processing protein-RNA complex assembly cellular component organization cellular component biogenesis nucleobase-containing compound metabolic process spliceosomal complex assembly protein-RNA complex organization cellular component assembly organic substance metabolic process protein-containing complex assembly organic substance biosynthetic process cellular component organization or biogenesis RNA processing RNA splicing protein-containing complex organization cellular metabolic process primary metabolic process gene expression mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process organic cyclic compound metabolic process biosynthetic process RNA splicing, via transesterification reactions U2-type prespliceosome assembly mRNA splicing, via spliceosome cellular process metabolic process RNA splicing, via transesterification reactions with bulged adenosine as nucleophile macromolecule metabolic process spliceosomal snRNP assembly mRNA splice site recognition mRNA 5'-splice site recognition mRNA cis splicing, via spliceosome RNA capping 7-methylguanosine cap hypermethylation macromolecule methylation RNA modification methylation macromolecule modification RNA 5'-end processing RNA methylation	membrane-bounded organelle spliceosomal snRNP complex protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex Sm-like protein family complex intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle U4 snRNP small nuclear ribonucleoprotein complex organelle ribonucleoprotein complex membrane-bounded organelle spliceosomal snRNP complex protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex Sm-like protein family complex intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle U4 snRNP small nuclear ribonucleoprotein complex organelle ribonucleoprotein complex pICln-Sm protein complex cytoplasm spliceosomal complex precatalytic spliceosome U2 snRNP U4/U6 snRNP U4/U6 x U5 tri-snRNP complex spliceosomal tri-snRNP complex U1 snRNP U5 snRNP U2-type spliceosomal complex commitment complex prespliceosome U2-type prespliceosome
CA [auth f], MA [auth q]	Small nuclear ribonucleoprotein F	RNA binding binding organic cyclic compound binding nucleic acid binding splicing factor binding protein binding poly-pyrimidine tract binding poly(U) RNA binding single-stranded RNA binding	ribonucleoprotein complex biogenesis cellular biosynthetic process RNA metabolic process mRNA processing protein-RNA complex assembly cellular component organization cellular component biogenesis nucleobase-containing compound metabolic process spliceosomal complex assembly protein-RNA complex organization cellular component assembly organic substance metabolic process protein-containing complex assembly organic substance biosynthetic process ribonucleoprotein complex biogenesis cellular biosynthetic process RNA metabolic process mRNA processing protein-RNA complex assembly cellular component organization cellular component biogenesis nucleobase-containing compound metabolic process spliceosomal complex assembly protein-RNA complex organization cellular component assembly organic substance metabolic process protein-containing complex assembly organic substance biosynthetic process cellular component organization or biogenesis RNA processing RNA splicing protein-containing complex organization cellular metabolic process primary metabolic process gene expression mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process organic cyclic compound metabolic process biosynthetic process RNA splicing, via transesterification reactions U2-type prespliceosome assembly mRNA splicing, via spliceosome cellular process metabolic process RNA splicing, via transesterification reactions with bulged adenosine as nucleophile macromolecule metabolic process spliceosomal snRNP assembly mRNA splice site recognition mRNA 5'-splice site recognition mRNA cis splicing, via spliceosome RNA capping 7-methylguanosine cap hypermethylation macromolecule methylation RNA modification methylation macromolecule modification RNA 5'-end processing RNA methylation	membrane-bounded organelle spliceosomal snRNP complex protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex Sm-like protein family complex intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle U4 snRNP small nuclear ribonucleoprotein complex organelle ribonucleoprotein complex membrane-bounded organelle spliceosomal snRNP complex protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex Sm-like protein family complex intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle U4 snRNP small nuclear ribonucleoprotein complex organelle ribonucleoprotein complex pICln-Sm protein complex cytoplasm U2 snRNP catalytic step 2 spliceosome catalytic complex spliceosomal complex U4/U6 snRNP U4/U6 x U5 tri-snRNP complex spliceosomal tri-snRNP complex U1 snRNP U5 snRNP U2-type spliceosomal complex commitment complex
C [auth 6]	U6 snRNA	-	-	-
DA [auth g], NA [auth r]	Small nuclear ribonucleoprotein G	RNA binding binding organic cyclic compound binding nucleic acid binding	ribonucleoprotein complex biogenesis cellular biosynthetic process RNA metabolic process mRNA processing protein-RNA complex assembly cellular component organization cellular component biogenesis nucleobase-containing compound metabolic process spliceosomal complex assembly protein-RNA complex organization cellular component assembly organic substance metabolic process protein-containing complex assembly organic substance biosynthetic process ribonucleoprotein complex biogenesis cellular biosynthetic process RNA metabolic process mRNA processing protein-RNA complex assembly cellular component organization cellular component biogenesis nucleobase-containing compound metabolic process spliceosomal complex assembly protein-RNA complex organization cellular component assembly organic substance metabolic process protein-containing complex assembly organic substance biosynthetic process cellular component organization or biogenesis RNA processing RNA splicing protein-containing complex organization cellular metabolic process primary metabolic process gene expression mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process organic cyclic compound metabolic process biosynthetic process RNA splicing, via transesterification reactions U2-type prespliceosome assembly mRNA splicing, via spliceosome cellular process metabolic process RNA splicing, via transesterification reactions with bulged adenosine as nucleophile macromolecule metabolic process spliceosomal snRNP assembly mRNA splice site recognition mRNA 5'-splice site recognition mRNA cis splicing, via spliceosome RNA capping 7-methylguanosine cap hypermethylation macromolecule methylation RNA modification methylation macromolecule modification RNA 5'-end processing RNA methylation	membrane-bounded organelle spliceosomal snRNP complex protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex Sm-like protein family complex intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle U4 snRNP small nuclear ribonucleoprotein complex organelle ribonucleoprotein complex membrane-bounded organelle spliceosomal snRNP complex protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex Sm-like protein family complex intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle U4 snRNP small nuclear ribonucleoprotein complex organelle ribonucleoprotein complex spliceosomal complex precatalytic spliceosome U2 snRNP catalytic step 2 spliceosome catalytic complex U4/U6 snRNP cytoplasm U4/U6 x U5 tri-snRNP complex spliceosomal tri-snRNP complex U1 snRNP SMN-Sm protein complex U5 snRNP U2-type spliceosomal complex commitment complex prespliceosome U2-type prespliceosome
FA [auth j], IA [auth m]	Small nuclear ribonucleoprotein Sm D2	RNA binding binding organic cyclic compound binding nucleic acid binding	ribonucleoprotein complex biogenesis cellular biosynthetic process RNA metabolic process mRNA processing protein-RNA complex assembly cellular component organization cellular component biogenesis nucleobase-containing compound metabolic process spliceosomal complex assembly protein-RNA complex organization cellular component assembly organic substance metabolic process protein-containing complex assembly organic substance biosynthetic process ribonucleoprotein complex biogenesis cellular biosynthetic process RNA metabolic process mRNA processing protein-RNA complex assembly cellular component organization cellular component biogenesis nucleobase-containing compound metabolic process spliceosomal complex assembly protein-RNA complex organization cellular component assembly organic substance metabolic process protein-containing complex assembly organic substance biosynthetic process cellular component organization or biogenesis RNA processing RNA splicing protein-containing complex organization cellular metabolic process primary metabolic process gene expression mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process organic cyclic compound metabolic process biosynthetic process RNA splicing, via transesterification reactions U2-type prespliceosome assembly mRNA splicing, via spliceosome cellular process metabolic process RNA splicing, via transesterification reactions with bulged adenosine as nucleophile macromolecule metabolic process spliceosomal snRNP assembly mRNA splice site recognition mRNA 5'-splice site recognition mRNA cis splicing, via spliceosome RNA capping 7-methylguanosine cap hypermethylation macromolecule methylation RNA modification methylation macromolecule modification RNA 5'-end processing RNA methylation	membrane-bounded organelle spliceosomal snRNP complex protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex Sm-like protein family complex intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle U4 snRNP small nuclear ribonucleoprotein complex organelle ribonucleoprotein complex membrane-bounded organelle spliceosomal snRNP complex protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex Sm-like protein family complex intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle U4 snRNP small nuclear ribonucleoprotein complex organelle ribonucleoprotein complex pICln-Sm protein complex cytoplasm spliceosomal complex precatalytic spliceosome U2 snRNP catalytic step 2 spliceosome catalytic complex cytosol U4/U6 snRNP U4/U6 x U5 tri-snRNP complex spliceosomal tri-snRNP complex U1 snRNP U5 snRNP U2-type spliceosomal complex commitment complex prespliceosome U2-type prespliceosome
KA [auth o]	Pre-mRNA-processing factor Prp17	RNA binding binding organic cyclic compound binding nucleic acid binding mRNA binding	ribonucleoprotein complex biogenesis cellular biosynthetic process RNA metabolic process mRNA processing protein-RNA complex assembly cellular component organization cellular component biogenesis nucleobase-containing compound metabolic process spliceosomal complex assembly protein-RNA complex organization cellular component assembly organic substance metabolic process protein-containing complex assembly organic substance biosynthetic process ribonucleoprotein complex biogenesis cellular biosynthetic process RNA metabolic process mRNA processing protein-RNA complex assembly cellular component organization cellular component biogenesis nucleobase-containing compound metabolic process spliceosomal complex assembly protein-RNA complex organization cellular component assembly organic substance metabolic process protein-containing complex assembly organic substance biosynthetic process cellular component organization or biogenesis RNA processing RNA splicing mRNA branch site recognition protein-containing complex organization cellular metabolic process primary metabolic process gene expression mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process organic cyclic compound metabolic process biosynthetic process RNA splicing, via transesterification reactions mRNA splicing, via spliceosome cellular process metabolic process RNA splicing, via transesterification reactions with bulged adenosine as nucleophile macromolecule metabolic process generation of catalytic spliceosome for second transesterification step spliceosomal conformational changes to generate catalytic conformation mRNA splice site recognition mRNA 3'-splice site recognition	membrane-bounded organelle catalytic step 2 spliceosome protein-containing complex intracellular anatomical structure catalytic complex nucleus nuclear protein-containing complex intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle spliceosomal complex organelle ribonucleoprotein complex membrane-enclosed lumen membrane-bounded organelle catalytic step 2 spliceosome protein-containing complex intracellular anatomical structure catalytic complex nucleus nuclear protein-containing complex intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle spliceosomal complex organelle ribonucleoprotein complex membrane-enclosed lumen intracellular organelle lumen organelle lumen nuclear periphery nuclear lumen
TA [auth y]	Pre-mRNA-splicing factor SYF2	-	RNA splicing cellular biosynthetic process cellular metabolic process RNA metabolic process primary metabolic process gene expression mRNA processing mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process organic cyclic compound metabolic process organic substance metabolic process biosynthetic process RNA splicing, via transesterification reactions RNA splicing cellular biosynthetic process cellular metabolic process RNA metabolic process primary metabolic process gene expression mRNA processing mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process organic cyclic compound metabolic process organic substance metabolic process biosynthetic process RNA splicing, via transesterification reactions mRNA splicing, via spliceosome organic substance biosynthetic process metabolic process cellular process RNA splicing, via transesterification reactions with bulged adenosine as nucleophile macromolecule metabolic process RNA processing	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol membrane-bounded organelle U2-type spliceosomal complex protein-containing complex U2-type post-mRNA release spliceosomal complex nucleus nuclear protein-containing complex intracellular membrane-bounded organelle intracellular organelle post-mRNA release spliceosomal complex spliceosomal complex intracellular anatomical structure cytoplasm cellular anatomical entity cytosol membrane-bounded organelle U2-type spliceosomal complex protein-containing complex U2-type post-mRNA release spliceosomal complex nucleus nuclear protein-containing complex intracellular membrane-bounded organelle intracellular organelle post-mRNA release spliceosomal complex spliceosomal complex organelle ribonucleoprotein complex catalytic complex U2-type catalytic step 1 spliceosome catalytic step 1 spliceosome prespliceosome U2-type prespliceosome catalytic step 2 spliceosome U2-type catalytic step 2 spliceosome Prp19 complex
F [auth D]	Pre-mRNA-splicing factor CWC16	RNA binding snRNA binding binding organic cyclic compound binding nucleic acid binding U2 snRNA binding cation binding ion binding metal ion binding small molecule binding	RNA splicing cellular biosynthetic process cellular metabolic process RNA metabolic process primary metabolic process gene expression macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process organic cyclic compound metabolic process organic substance metabolic process biosynthetic process organic substance biosynthetic process metabolic process RNA splicing cellular biosynthetic process cellular metabolic process RNA metabolic process primary metabolic process gene expression macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process organic cyclic compound metabolic process organic substance metabolic process biosynthetic process organic substance biosynthetic process metabolic process cellular process RNA processing macromolecule metabolic process ribonucleoprotein complex biogenesis mRNA processing protein-RNA complex assembly cellular component organization cellular component biogenesis protein-RNA complex organization cellular component assembly protein-containing complex assembly cellular component organization or biogenesis generation of catalytic spliceosome for first transesterification step protein-containing complex organization spliceosomal conformational changes to generate catalytic conformation mRNA metabolic process RNA splicing, via transesterification reactions mRNA splicing, via spliceosome RNA splicing, via transesterification reactions with bulged adenosine as nucleophile generation of catalytic spliceosome for second transesterification step	membrane-bounded organelle U2-type spliceosomal complex protein-containing complex intracellular anatomical structure catalytic complex nucleus nuclear protein-containing complex U2-type catalytic step 1 spliceosome intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle spliceosomal complex organelle ribonucleoprotein complex membrane-bounded organelle U2-type spliceosomal complex protein-containing complex intracellular anatomical structure catalytic complex nucleus nuclear protein-containing complex U2-type catalytic step 1 spliceosome intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle spliceosomal complex organelle ribonucleoprotein complex catalytic step 1 spliceosome catalytic step 2 spliceosome U2-type catalytic step 2 spliceosome
G [auth E]	Ligated exons: UBC4 mRNA	-	-	-
H	Pre-mRNA-splicing factor CWC22	RNA binding binding organic cyclic compound binding nucleic acid binding	RNA splicing cellular biosynthetic process cellular metabolic process RNA metabolic process primary metabolic process gene expression mRNA processing mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process organic cyclic compound metabolic process organic substance metabolic process biosynthetic process RNA splicing, via transesterification reactions RNA splicing cellular biosynthetic process cellular metabolic process RNA metabolic process primary metabolic process gene expression mRNA processing mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process organic cyclic compound metabolic process organic substance metabolic process biosynthetic process RNA splicing, via transesterification reactions mRNA splicing, via spliceosome organic substance biosynthetic process metabolic process cellular process RNA splicing, via transesterification reactions with bulged adenosine as nucleophile macromolecule metabolic process RNA processing	membrane-bounded organelle U2-type spliceosomal complex protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle spliceosomal complex organelle ribonucleoprotein complex cytoplasm catalytic step 2 spliceosome membrane-bounded organelle U2-type spliceosomal complex protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle spliceosomal complex organelle ribonucleoprotein complex cytoplasm catalytic step 2 spliceosome catalytic complex
I	Intron lariat: UBC4 RNA	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
D [auth A]	IPR012984	PROCT domain	Domain
D [auth A]	IPR012591	PRO8NT domain	Domain
D [auth A]	IPR019580	Pre-mRNA-processing-splicing factor 8, U6-snRNA-binding	Domain
D [auth A]	IPR027652	Pre-mRNA-processing-splicing factor 8	Family
D [auth A]	IPR043172	Prp8 RNase domain IV, palm region	Homologous Superfamily
D [auth A]	IPR012592	PROCN domain	Domain
D [auth A]	IPR012337	Ribonuclease H-like superfamily	Homologous Superfamily
D [auth A]	IPR043173	Prp8 RNase domain IV, fingers region	Homologous Superfamily
D [auth A]	IPR021983	PRP8 domain IV core	Domain
D [auth A]	IPR019581	Pre-mRNA-processing-splicing factor 8, U5-snRNA-binding	Domain
D [auth A]	IPR037518	MPN domain	Domain
D [auth A]	IPR019582	RNA recognition motif, spliceosomal PrP8	Domain
D [auth A]	IPR042516	Pre-mRNA-processing-splicing factor 8, U5-snRNA-binding domain superfamily	Homologous Superfamily
D [auth A]	IPR000555	JAB1/MPN/MOV34 metalloenzyme domain	Domain
E [auth C]	IPR005517	Translation elongation factor EFG/EF2, domain IV	Domain
E [auth C]	IPR000795	Translational (tr)-type GTP-binding domain	Domain
E [auth C]	IPR035647	EF-G domain III/V-like	Homologous Superfamily
E [auth C]	IPR035655	116kDa U5 small nuclear ribonucleoprotein component, C-terminal	Domain
E [auth C]	IPR009000	Translation protein, beta-barrel domain superfamily	Homologous Superfamily
E [auth C]	IPR020568	Ribosomal protein uS5 domain 2-type superfamily	Homologous Superfamily
E [auth C]	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily
E [auth C]	IPR014721	Small ribosomal subunit protein uS5 domain 2-type fold, subgroup	Homologous Superfamily
E [auth C]	IPR031950	116kDa U5 small nuclear ribonucleoprotein component, N-terminal	Domain
E [auth C]	IPR000640	Elongation factor EFG, domain V-like	Domain
E [auth C]	IPR044121	Snu114, GTP-binding domain	Domain
N	IPR039171	Pre-mRNA-splicing factor Cwc2/Slt11	Family
N	IPR034356	Slt11, RNA recognition motif	Domain
N	IPR048995	STL11/RBM22-like, N-terminal domain	Domain
O	IPR047240	Pre-mRNA splicing factor component CDC5L/Cef1, second SANT/myb-like domain	Domain
O	IPR017930	Myb domain	Domain
O	IPR009057	Homeobox-like domain superfamily	Homologous Superfamily
O	IPR047242	Pre-mRNA splicing factor component CDC5L/Cef1	Family
O	IPR001005	SANT/Myb domain	Domain
O	IPR021786	Pre-mRNA splicing factor component Cdc5p/Cef1, C-terminal	Domain
Q [auth R]	IPR013170	mRNA splicing factor Cwf21 domain	Domain
W [auth Y]	IPR012677	Nucleotide-binding alpha-beta plait domain superfamily	Homologous Superfamily
W [auth Y]	IPR000504	RNA recognition motif domain	Domain
W [auth Y]	IPR035979	RNA-binding domain superfamily	Homologous Superfamily
X [auth a]	IPR039979	Pre-mRNA-splicing factor 18	Family
X [auth a]	IPR004098	Prp18	Domain
EA [auth h], HA [auth l]	IPR027141	Like-Sm (LSM) domain containing protein, LSm4/SmD1/SmD3	Family
EA [auth h], HA [auth l]	IPR001163	Sm domain, eukaryotic/archaea-type	Domain
EA [auth h], HA [auth l]	IPR047575	Sm domain	Domain
EA [auth h], HA [auth l]	IPR010920	LSM domain superfamily	Homologous Superfamily
PA [auth t], QA [auth u], RA [auth v], SA [auth w]	IPR003613	U-box domain	Domain
PA [auth t], QA [auth u], RA [auth v], SA [auth w]	IPR013915	Pre-mRNA-splicing factor 19	Domain
PA [auth t], QA [auth u], RA [auth v], SA [auth w]	IPR013083	Zinc finger, RING/FYVE/PHD-type	Homologous Superfamily
PA [auth t], QA [auth u], RA [auth v], SA [auth w]	IPR011047	Quinoprotein alcohol dehydrogenase-like superfamily	Homologous Superfamily
PA [auth t], QA [auth u], RA [auth v], SA [auth w]	IPR015943	WD40/YVTN repeat-like-containing domain superfamily	Homologous Superfamily
PA [auth t], QA [auth u], RA [auth v], SA [auth w]	IPR038959	Pre-mRNA-processing factor 19	Family
J	IPR045241	WD repeat Prp46/PLRG1-like	Family
J	IPR001680	WD40 repeat	Repeat
J	IPR019775	WD40 repeat, conserved site	Conserved Site
J	IPR020472	G-protein beta WD-40 repeat	Repeat
J	IPR036322	WD40-repeat-containing domain superfamily	Homologous Superfamily
J	IPR015943	WD40/YVTN repeat-like-containing domain superfamily	Homologous Superfamily
K	IPR017862	SKI-interacting protein, SKIP	Family
K	IPR004015	SKI-interacting protein SKIP, SNW domain	Domain
L	IPR001748	Pre-mRNA-splicing factor BUD31	Family
L	IPR018230	BUD31/G10-related, conserved site	Conserved Site
M	IPR039171	Pre-mRNA-splicing factor Cwc2/Slt11	Family
M	IPR034181	Pre-mRNA-splicing factor Cwc2, RNA recognition motif	Domain
M	IPR000504	RNA recognition motif domain	Domain
M	IPR032297	Torus domain	Domain
M	IPR000571	Zinc finger, CCCH-type	Domain
M	IPR012677	Nucleotide-binding alpha-beta plait domain superfamily	Homologous Superfamily
M	IPR035979	RNA-binding domain superfamily	Homologous Superfamily
P	IPR006973	Pre-mRNA-splicing factor Cwf15/Cwc15	Family
R [auth S]	IPR011990	Tetratricopeptide-like helical domain superfamily	Homologous Superfamily
R [auth S]	IPR003107	HAT (Half-A-TPR) repeat	Repeat
R [auth S]	IPR045075	Pre-mRNA-splicing factor Syf1-like	Family
S [auth T]	IPR011990	Tetratricopeptide-like helical domain superfamily	Homologous Superfamily
S [auth T]	IPR003107	HAT (Half-A-TPR) repeat	Repeat
S [auth T]	IPR045075	Pre-mRNA-splicing factor Syf1-like	Family
T [auth V]	IPR049588	DHX8, GH2-like domain	Domain
T [auth V]	IPR003029	S1 domain	Domain
T [auth V]	IPR011709	DEAD-box helicase, OB fold	Domain
T [auth V]	IPR001650	Helicase, C-terminal domain-like	Domain
T [auth V]	IPR014001	Helicase superfamily 1/2, ATP-binding domain	Domain
T [auth V]	IPR048333	Helicase associated domain (HA2), winged-helix domain	Domain
T [auth V]	IPR049621	DHX8 helicase, S1 domain	Domain
T [auth V]	IPR044762	DHX8/ Prp22, DEXH-box helicase domain	Domain
T [auth V]	IPR002464	DNA/RNA helicase, ATP-dependent, DEAH-box type, conserved site	Conserved Site
T [auth V]	IPR012340	Nucleic acid-binding, OB-fold	Homologous Superfamily
T [auth V]	IPR007502	Helicase-associated domain	Domain
T [auth V]	IPR011545	DEAD/DEAH box helicase domain	Domain
T [auth V]	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily
U [auth W]	IPR032675	Leucine-rich repeat domain superfamily	Homologous Superfamily
U [auth W]	IPR001611	Leucine-rich repeat	Repeat
U [auth W]	IPR003603	U2A'/phosphoprotein 32 family A, C-terminal	Domain
GA [auth k], Y [auth b]	IPR001163	Sm domain, eukaryotic/archaea-type	Domain
GA [auth k], Y [auth b]	IPR047575	Sm domain	Domain
GA [auth k], Y [auth b]	IPR010920	LSM domain superfamily	Homologous Superfamily
Z [auth c]	IPR001878	Zinc finger, CCHC-type	Domain
Z [auth c]	IPR036875	Zinc finger, CCHC-type superfamily	Homologous Superfamily
Z [auth c]	IPR021715	Pre-mRNA-splicing factor SLU7 domain	Domain
Z [auth c]	IPR039974	Pre-mRNA-splicing factor SLU7	Family
AA [auth d], JA [auth n]	IPR027141	Like-Sm (LSM) domain containing protein, LSm4/SmD1/SmD3	Family
AA [auth d], JA [auth n]	IPR034099	Small nuclear ribonucleoprotein Sm D3	Family
AA [auth d], JA [auth n]	IPR001163	Sm domain, eukaryotic/archaea-type	Domain
AA [auth d], JA [auth n]	IPR047575	Sm domain	Domain
AA [auth d], JA [auth n]	IPR010920	LSM domain superfamily	Homologous Superfamily
BA [auth e], LA [auth p]	IPR027078	Small nuclear ribonucleoprotein E	Family
BA [auth e], LA [auth p]	IPR001163	Sm domain, eukaryotic/archaea-type	Domain
BA [auth e], LA [auth p]	IPR047575	Sm domain	Domain
BA [auth e], LA [auth p]	IPR010920	LSM domain superfamily	Homologous Superfamily
CA [auth f], MA [auth q]	IPR016487	Sm-like protein Lsm6/SmF	Family
CA [auth f], MA [auth q]	IPR034100	Small nuclear ribonucleoprotein F	Family
CA [auth f], MA [auth q]	IPR001163	Sm domain, eukaryotic/archaea-type	Domain
CA [auth f], MA [auth q]	IPR047575	Sm domain	Domain
CA [auth f], MA [auth q]	IPR010920	LSM domain superfamily	Homologous Superfamily
DA [auth g], NA [auth r]	IPR044641	Sm-like protein Lsm7/SmG	Family
DA [auth g], NA [auth r]	IPR034098	Small nuclear ribonucleoprotein G	Family
DA [auth g], NA [auth r]	IPR001163	Sm domain, eukaryotic/archaea-type	Domain
DA [auth g], NA [auth r]	IPR047575	Sm domain	Domain
DA [auth g], NA [auth r]	IPR010920	LSM domain superfamily	Homologous Superfamily
FA [auth j], IA [auth m]	IPR001163	Sm domain, eukaryotic/archaea-type	Domain
FA [auth j], IA [auth m]	IPR047575	Sm domain	Domain
FA [auth j], IA [auth m]	IPR027248	Small nuclear ribonucleoprotein Sm D2	Family
FA [auth j], IA [auth m]	IPR010920	LSM domain superfamily	Homologous Superfamily
KA [auth o]	IPR032847	Pre-mRNA-processing factor 17	Family
KA [auth o]	IPR036322	WD40-repeat-containing domain superfamily	Homologous Superfamily
KA [auth o]	IPR001680	WD40 repeat	Repeat
KA [auth o]	IPR020472	G-protein beta WD-40 repeat	Repeat
KA [auth o]	IPR015943	WD40/YVTN repeat-like-containing domain superfamily	Homologous Superfamily
TA [auth y]	IPR013260	mRNA splicing factor SYF2	Family
F [auth D]	IPR043701	Splicing factor Yju2	Family
F [auth D]	IPR007590	Saf4/Yju2 protein	Family
H	IPR003891	Initiation factor eIF-4 gamma, MA3	Domain
H	IPR003890	MIF4G-like, type 3	Domain
H	IPR016024	Armadillo-type fold	Homologous Superfamily