5GMK
Cryo-EM structure of the Catalytic Step I spliceosome (C complex) at 3.4 angstrom resolution
Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage
Domain Annotation: SCOP2 Classification SCOP2 Database Homepage
Chains | Type | Family Name | Domain Identifier | Family Identifier | Provenance Source (Version) |
---|---|---|---|---|---|
A | SCOP2B Superfamily | Ribonuclease H-like | 8040983 | 3000143 | SCOP2B (2022-06-29) |
K [auth P] | SCOP2B Superfamily | Pre-mRNA-processing protein 45-like | 8092739 | 3002618 | SCOP2B (2022-06-29) |
M [auth R] | SCOP2B Superfamily | RNA-binding domain RBD | 8051796 | 3000110 | SCOP2B (2022-06-29) |
M [auth R] | SCOP2B Superfamily | CCCH zinc finger-like | 8051791 | 3001741 | SCOP2B (2022-06-29) |
N [auth S] | SCOP2 Family | Cwf15/Cwc15-like | 8046625 | 4005200 | SCOP2 (2022-06-29) |
N [auth S] | SCOP2 Superfamily | Cwf15/Cwc15-like | 8103703 | 3002807 | SCOP2 (2022-06-29) |
AA [auth q] | SCOP2B Superfamily | RING/U-box like | 8037831 | 3000160 | SCOP2B (2022-06-29) |
BA [auth r] | SCOP2B Superfamily | RING/U-box like | 8037831 | 3000160 | SCOP2B (2022-06-29) |
Y [auth o] | SCOP2B Superfamily | RING/U-box like | 8037831 | 3000160 | SCOP2B (2022-06-29) |
Z [auth p] | SCOP2B Superfamily | RING/U-box like | 8037831 | 3000160 | SCOP2B (2022-06-29) |
DA [auth k] | SCOP2B Superfamily | Sm-like ribonucleoproteins | 8077613 | 3000419 | SCOP2B (2022-06-29) |
KA [auth s] | SCOP2B Superfamily | Sm-like ribonucleoproteins | 8077613 | 3000419 | SCOP2B (2022-06-29) |
FA [auth h] | SCOP2B Superfamily | Sm-like ribonucleoproteins | 8043703 | 3000419 | SCOP2B (2022-06-29) |
MA [auth w] | SCOP2B Superfamily | Sm-like ribonucleoproteins | 8043703 | 3000419 | SCOP2B (2022-06-29) |
GA [auth j] | SCOP2B Superfamily | Sm-like ribonucleoproteins | 8098668 | 3000419 | SCOP2B (2022-06-29) |
NA [auth x] | SCOP2B Superfamily | Sm-like ribonucleoproteins | 8098668 | 3000419 | SCOP2B (2022-06-29) |
HA [auth l] | SCOP2B Superfamily | Sm-like ribonucleoproteins | 8098694 | 3000419 | SCOP2B (2022-06-29) |
OA [auth y] | SCOP2B Superfamily | Sm-like ribonucleoproteins | 8098694 | 3000419 | SCOP2B (2022-06-29) |
JA [auth g] | SCOP2B Superfamily | Sm-like ribonucleoproteins | 8063490 | 3000419 | SCOP2B (2022-06-29) |
RA [auth a] | SCOP2B Superfamily | RNA-binding domain RBD | 8073745 | 3000110 | 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) |
---|---|---|---|---|---|---|---|---|
A | PF10596,PF10597 | e5gmkA5 | 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) |
A | PF08082,PF08083 | e5gmkA1 | 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) |
A | PF10598 | e5gmkA2 | 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) |
A | PF10596 | e5gmkA4 | 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) |
A | PF12134 | e5gmkA3 | 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) |
J [auth O] | PF00400 | e5gmkO1 | A: beta duplicates or obligate multimers | X: beta-propeller-like | H: beta-propeller | T: 7-bladed | F: PF00400 | ECOD (1.6) |
L [auth Q] | F_UNCLASSIFIED | e5gmkQ2 | 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) |
L [auth Q] | PF21369 | e5gmkQ1 | 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) |
O [auth T] | PF01125 | e5gmkT1 | 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) |
Q [auth c] | PF00249 | e5gmkc1 | A: alpha arrays | X: HTH | H: HTH | T: tri-helical | F: PF00249 | ECOD (1.6) |
R [auth d] | PF02184,PF05843 | e5gmkd1 | A: alpha superhelices | X: Repetitive alpha hairpins | H: ARM repeat (From Topology) | T: ARM repeat | F: PF02184,PF05843 | ECOD (1.6) |
U [auth H] | PF06246 | e5gmkH1 | A: alpha bundles | X: Long alpha-hairpin | H: ISY1 N-terminal domain-like (From Topology) | T: ISY1 N-terminal domain-like | F: PF06246 | ECOD (1.6) |
W [auth v] | F_UNCLASSIFIED | e5gmkv1 | A: alpha superhelices | X: Repetitive alpha hairpins | H: ARM repeat (From Topology) | T: ARM repeat | F: F_UNCLASSIFIED | ECOD (1.6) |
X [auth n] | PF00400 | e5gmkn1 | A: beta duplicates or obligate multimers | X: beta-propeller-like | H: beta-propeller | T: 7-bladed | F: PF00400 | ECOD (1.6) |
AA [auth q] | F_UNCLASSIFIED | e5gmkq1 | A: beta duplicates or obligate multimers | X: beta-propeller-like | H: beta-propeller | T: 8-bladed | F: F_UNCLASSIFIED | ECOD (1.6) |
AA [auth q] | PF04564 | e5gmkq2 | A: few secondary structure elements | X: RING/U-box-like | H: RING/U-box-like | T: RING/U-box | F: PF04564 | ECOD (1.6) |
BA [auth r] | PF04564 | e5gmkr1 | A: few secondary structure elements | X: RING/U-box-like | H: RING/U-box-like | T: RING/U-box | F: PF04564 | ECOD (1.6) |
Y [auth o] | PF04564 | e5gmko1 | A: few secondary structure elements | X: RING/U-box-like | H: RING/U-box-like | T: RING/U-box | F: PF04564 | ECOD (1.6) |
Z [auth p] | PF04564 | e5gmkp1 | A: few secondary structure elements | X: RING/U-box-like | H: RING/U-box-like | T: RING/U-box | F: PF04564 | ECOD (1.6) |
DA [auth k] | PF01423 | e5gmkk1 | A: beta barrels | X: SH3 | H: SH3 | T: SH3 | F: PF01423 | ECOD (1.6) |
KA [auth s] | PF01423 | e5gmks1 | A: beta barrels | X: SH3 | H: SH3 | T: SH3 | F: PF01423 | ECOD (1.6) |
EA [auth i] | PF01423 | e5gmki1 | A: beta barrels | X: SH3 | H: SH3 | T: SH3 | F: PF01423 | ECOD (1.6) |
LA [auth u] | PF01423 | e5gmku1 | A: beta barrels | X: SH3 | H: SH3 | T: SH3 | F: PF01423 | ECOD (1.6) |
FA [auth h] | PF01423 | e5gmkh1 | A: beta barrels | X: SH3 | H: SH3 | T: SH3 | F: PF01423 | ECOD (1.6) |
MA [auth w] | PF01423 | e5gmkw1 | A: beta barrels | X: SH3 | H: SH3 | T: SH3 | F: PF01423 | ECOD (1.6) |
GA [auth j] | PF01423 | e5gmkj1 | A: beta barrels | X: SH3 | H: SH3 | T: SH3 | F: PF01423 | ECOD (1.6) |
NA [auth x] | PF01423 | e5gmkx1 | A: beta barrels | X: SH3 | H: SH3 | T: SH3 | F: PF01423 | ECOD (1.6) |
HA [auth l] | PF01423 | e5gmkl1 | A: beta barrels | X: SH3 | H: SH3 | T: SH3 | F: PF01423 | ECOD (1.6) |
OA [auth y] | PF01423 | e5gmky1 | A: beta barrels | X: SH3 | H: SH3 | T: SH3 | F: PF01423 | ECOD (1.6) |
PA [auth z] | PF01423 | e5gmkz1 | A: beta barrels | X: SH3 | H: SH3 | T: SH3 | F: PF01423 | ECOD (1.6) |
IA [auth m] | PF01423 | e5gmkm1 | A: beta barrels | X: SH3 | H: SH3 | T: SH3 | F: PF01423 | ECOD (1.6) |
JA [auth g] | PF01423 | e5gmkg1 | A: beta barrels | X: SH3 | H: SH3 | T: SH3 | F: PF01423 | ECOD (1.6) |
QA [auth e] | PF01423 | e5gmke1 | A: beta barrels | X: SH3 | H: SH3 | T: SH3 | F: PF01423 | ECOD (1.6) |
RA [auth a] | PF13893 | e5gmka1 | 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) |
SA [auth b] | PF14580 | e5gmkb1 | 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) |
Domain Annotation: CATH CATH Database Homepage
Protein Family Annotation Pfam Database Homepage
Chains | Accession | Name | Description | Comments | Source |
---|---|---|---|---|---|
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 ... | Domain | |
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 ... | Domain | |
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 ... | Domain | |
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 ... | Domain | |
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 | |
B [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 |
B [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 |
B [auth C] | PF16004 | 116 kDa U5 small nuclear ribonucleoprotein component N-terminus (EFTUD2) | 116 kDa U5 small nuclear ribonucleoprotein component N-terminus | - | Family |
B [auth C] | PF03764 | Elongation factor G, domain IV (EFG_IV) | Elongation factor G, domain IV | This domain is found in elongation factor G, elongation factor 2 and some tetracycline resistance proteins and adopts a ribosomal protein S5 domain 2-like fold. | Domain |
J [auth O] | PF00400 | WD domain, G-beta repeat (WD40) | WD domain, G-beta repeat | - | Repeat |
K [auth P] | PF02731 | SKIP/SNW domain (SKIP_SNW) | SKIP/SNW domain | - | Family |
L [auth Q] | 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 |
M [auth R] | 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 [auth R] | 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 ... | Domain |
O [auth T] | 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 ... | Domain |
P [auth Z] | PF02847 | MA3 domain (MA3) | MA3 domain | - | Repeat |
Q [auth c] | 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 c] | PF11831 | pre-mRNA splicing factor component (Myb_Cef) | pre-mRNA splicing factor component | - | Family |
R [auth d] | PF02184 | HAT (Half-A-TPR) repeat (HAT) | HAT (Half-A-TPR) repeat | - | Repeat |
S [auth F] | PF04502 | Saf4/Yju2 protein (Saf4_Yju2) | Saf4/Yju2 protein | - | Family |
T [auth G] | PF10197 | N-terminal domain of CBF1 interacting co-repressor CIR (Cir_N) | N-terminal domain of CBF1 interacting co-repressor CIR | This is a 45 residue conserved region at the N-terminal end of a family of proteins referred to as CIRs (CBF1-interacting co-repressors). CBF1 (centromere-binding factor 1) acts as a transcription factor that causes repression by binding specifically ... | Domain |
U [auth H] | PF06246 | Isy1-like splicing family (Isy1) | Isy1-like splicing family | - | Family |
V [auth I] | 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 |
X [auth n] | PF00400 | WD domain, G-beta repeat (WD40) | WD domain, G-beta repeat | - | Repeat |
DA [auth k], KA [auth s] | 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 ... | Domain |
EA [auth i], LA [auth u] | 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 ... | Domain |
FA [auth h], MA [auth w] | 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 ... | Domain |
GA [auth j], NA [auth x] | 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 ... | Domain |
HA [auth l], OA [auth y] | 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 ... | Domain |
IA [auth m], PA [auth z] | 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 ... | Domain |
JA [auth g], QA [auth e] | 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 ... | Domain |
RA [auth a] | 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 ... | Domain |
SA [auth b] | PF14580 | Leucine-rich repeat (LRR_9) | Leucine-rich repeat | - | Repeat |