Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
ASCOP2B SuperfamilyNagB/RpiA/CoA transferase-like8101523 3000693 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyNagB/RpiA/CoA transferase-like8101523 3000693 SCOP2B (2022-06-29)
J [auth L]SCOP2B SuperfamilyeIF2alpha middle domain-like8042148 3001761 SCOP2B (2022-06-29)
J [auth L]SCOP2B SuperfamilyNucleic acid-binding proteins8042149 3000135 SCOP2B (2022-06-29)
O [auth K]SCOP2B SuperfamilyNucleic acid-binding proteins8042149 3000135 SCOP2B (2022-06-29)
O [auth K]SCOP2B SuperfamilyeIF2alpha middle domain-like8042148 3001761 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
APF01008e6qg1A2 A: alpha bundlesX: Translation initiation factor eIF-2B delta subunit N-terminal helical domain (From Topology)H: Translation initiation factor eIF-2B delta subunit N-terminal helical domain (From Topology)T: Translation initiation factor eIF-2B delta subunit N-terminal helical domainF: PF01008ECOD (1.6)
APF01008e6qg1A1 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: NagB/RpiA/CoA transferase-likeF: PF01008ECOD (1.6)
BPF01008e6qg1B1 A: alpha bundlesX: Translation initiation factor eIF-2B delta subunit N-terminal helical domain (From Topology)H: Translation initiation factor eIF-2B delta subunit N-terminal helical domain (From Topology)T: Translation initiation factor eIF-2B delta subunit N-terminal helical domainF: PF01008ECOD (1.6)
BPF01008e6qg1B2 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: NagB/RpiA/CoA transferase-likeF: PF01008ECOD (1.6)
D [auth E]F_UNCLASSIFIEDe6qg1E1 A: a/b three-layered sandwichesX: Nucleotide-diphospho-sugar transferases (From Topology)H: Nucleotide-diphospho-sugar transferases (From Topology)T: Nucleotide-diphospho-sugar transferasesF: F_UNCLASSIFIEDECOD (1.6)
E [auth F]F_UNCLASSIFIEDe6qg1F1 A: a/b three-layered sandwichesX: Nucleotide-diphospho-sugar transferases (From Topology)H: Nucleotide-diphospho-sugar transferases (From Topology)T: Nucleotide-diphospho-sugar transferasesF: F_UNCLASSIFIEDECOD (1.6)
G [auth H]PF01008e6qg1H2 A: alpha bundlesX: Translation initiation factor eIF-2B delta subunit N-terminal helical domain (From Topology)H: Translation initiation factor eIF-2B delta subunit N-terminal helical domain (From Topology)T: Translation initiation factor eIF-2B delta subunit N-terminal helical domainF: PF01008ECOD (1.6)
G [auth H]PF01008e6qg1H1 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: NagB/RpiA/CoA transferase-likeF: PF01008ECOD (1.6)
F [auth G]PF01008e6qg1G1 A: alpha bundlesX: Translation initiation factor eIF-2B delta subunit N-terminal helical domain (From Topology)H: Translation initiation factor eIF-2B delta subunit N-terminal helical domain (From Topology)T: Translation initiation factor eIF-2B delta subunit N-terminal helical domainF: PF01008ECOD (1.6)
F [auth G]PF01008e6qg1G2 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: NagB/RpiA/CoA transferase-likeF: PF01008ECOD (1.6)
H [auth I]F_UNCLASSIFIEDe6qg1I2 A: beta duplicates or obligate multimersX: Single-stranded left-handed beta-helixH: Trimeric LpxA-like enzymes (From Topology)T: Trimeric LpxA-like enzymesF: F_UNCLASSIFIEDECOD (1.6)
H [auth I]PF00483e6qg1I1 A: a/b three-layered sandwichesX: Nucleotide-diphospho-sugar transferases (From Topology)H: Nucleotide-diphospho-sugar transferases (From Topology)T: Nucleotide-diphospho-sugar transferasesF: PF00483ECOD (1.6)
I [auth J]F_UNCLASSIFIEDe6qg1J2 A: beta duplicates or obligate multimersX: Single-stranded left-handed beta-helixH: Trimeric LpxA-like enzymes (From Topology)T: Trimeric LpxA-like enzymesF: F_UNCLASSIFIEDECOD (1.6)
I [auth J]PF00483e6qg1J1 A: a/b three-layered sandwichesX: Nucleotide-diphospho-sugar transferases (From Topology)H: Nucleotide-diphospho-sugar transferases (From Topology)T: Nucleotide-diphospho-sugar transferasesF: PF00483ECOD (1.6)
J [auth L]PF00575e6qg1L3 A: beta barrelsX: OB-foldH: Nucleic acid-binding proteins (From Topology)T: Nucleic acid-binding proteinsF: PF00575ECOD (1.6)
J [auth L]PF07541e6qg1L1 A: alpha arraysX: HhH/H2THH: eIF2alpha middle domain (From Topology)T: eIF2alpha middle domainF: PF07541ECOD (1.6)
J [auth L]PF07541e6qg1L2 A: a+b two layersX: Alpha-beta plaitsH: eIF-2-alpha, C-terminal domain (From Topology)T: eIF-2-alpha, C-terminal domainF: PF07541ECOD (1.6)
O [auth K]PF00575e6qg1K2 A: beta barrelsX: OB-foldH: Nucleic acid-binding proteins (From Topology)T: Nucleic acid-binding proteinsF: PF00575ECOD (1.6)
O [auth K]PF07541e6qg1K3 A: alpha arraysX: HhH/H2THH: eIF2alpha middle domain (From Topology)T: eIF2alpha middle domainF: PF07541ECOD (1.6)
O [auth K]PF07541e6qg1K1 A: a+b two layersX: Alpha-beta plaitsH: eIF-2-alpha, C-terminal domain (From Topology)T: eIF-2-alpha, C-terminal domainF: PF07541ECOD (1.6)
K [auth M]PF03144e6qg1M2 A: beta barrelsX: cradle loop barrelH: RIFT-relatedT: Alanine racemase-CF: PF03144ECOD (1.6)
K [auth M]PF09173e6qg1M4 A: beta barrelsX: cradle loop barrelH: RIFT-relatedT: Aminomethyltransferase beta-barrel domainF: PF09173ECOD (1.6)
K [auth M]PF00009e6qg1M1 A: a/b three-layered sandwichesX: P-loop domains-likeH: P-loop domains-relatedT: P-loop containing nucleoside triphosphate hydrolasesF: PF00009ECOD (1.6)
K [auth M]F_UNCLASSIFIEDe6qg1M3 A: few secondary structure elementsX: Rubredoxin-likeH: Rubredoxin-relatedT: Rubredoxin-relatedF: F_UNCLASSIFIEDECOD (1.6)
M [auth N]PF03144e6qg1N2 A: beta barrelsX: cradle loop barrelH: RIFT-relatedT: Alanine racemase-CF: PF03144ECOD (1.6)
M [auth N]PF09173e6qg1N3 A: beta barrelsX: cradle loop barrelH: RIFT-relatedT: Aminomethyltransferase beta-barrel domainF: PF09173ECOD (1.6)
M [auth N]PF00009e6qg1N1 A: a/b three-layered sandwichesX: P-loop domains-likeH: P-loop domains-relatedT: P-loop containing nucleoside triphosphate hydrolasesF: PF00009ECOD (1.6)
M [auth N]F_UNCLASSIFIEDe6qg1N4 A: few secondary structure elementsX: Rubredoxin-likeH: Rubredoxin-relatedT: Rubredoxin-relatedF: F_UNCLASSIFIEDECOD (1.6)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A, B
PF01008Initiation factor 2 subunit family (IF-2B)Initiation factor 2 subunit family- Family
C [auth D],
P [auth C]
PF01008Initiation factor 2 subunit family (IF-2B)Initiation factor 2 subunit family- Family
F [auth G],
G [auth H]
PF01008Initiation factor 2 subunit family (IF-2B)Initiation factor 2 subunit family- Family
H [auth I],
I [auth J]
PF00483Nucleotidyl transferase (NTP_transferase)Nucleotidyl transferase- Family
J [auth L],
O [auth K]
PF07541Eukaryotic translation initiation factor 2 alpha subunit (EIF_2_alpha)Eukaryotic translation initiation factor 2 alpha subunit- Family
J [auth L],
O [auth K]
PF00575S1 RNA binding domain (S1)S1 RNA binding domainThe S1 domain occurs in a wide range of RNA associated proteins. It is structurally similar to cold shock protein which binds nucleic acids. The S1 domain has an OB-fold structure.Domain
K [auth M],
M [auth N]
PF00009Elongation factor Tu GTP binding domain (GTP_EFTU)Elongation factor Tu GTP binding domainThis 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
K [auth M],
M [auth N]
PF03144Elongation factor Tu domain 2 (GTP_EFTU_D2)Elongation factor Tu domain 2Elongation factor Tu consists of three structural domains, this is the second domain. This domain adopts a beta barrel structure. This the second domain is involved in binding to charged tRNA [1]. This domain is also found in other proteins such as e ...Elongation factor Tu consists of three structural domains, this is the second domain. This domain adopts a beta barrel structure. This the second domain is involved in binding to charged tRNA [1]. This domain is also found in other proteins such as elongation factor G and translation initiation factor IF-2. This domain is structurally related to Pfam:PF03143, and in fact has weak sequence matches to this domain.
Domain
K [auth M],
M [auth N]
PF09173Initiation factor eIF2 gamma, C terminal (eIF2_C)Initiation factor eIF2 gamma, C terminalMembers of this family, which are found in the initiation factors eIF2 and EF-Tu, adopt a structure consisting of a beta barrel with Greek key topology. They are required for formation of the ternary complex with GTP and initiator tRNA [1].Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
A, B
Translation initiation factor eIF-2B subunit alpha
C [auth D],
P [auth C]
Translation initiation factor eIF-2B subunit beta
D [auth E],
E [auth F]
Translation initiation factor eIF-2B subunit gamma
F [auth G],
G [auth H]
Translation initiation factor eIF-2B subunit delta
H [auth I],
I [auth J]
Translation initiation factor eIF-2B subunit epsilon
J [auth L],
O [auth K]
Eukaryotic translation initiation factor 2 subunit alpha
K [auth M],
M [auth N]
Eukaryotic translation initiation factor 2 subunit gamma
L [auth O],
N [auth P]
Eukaryotic translation initiation factor 2 subunit beta

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
A, B
IPR000649Initiation factor 2B-relatedFamily
A, B
IPR042529Initiation factor 2B-like, C-terminalHomologous Superfamily
A, B
IPR037171NagB/RpiA transferase-likeHomologous Superfamily
A, B
IPR042528Translation initiation factor eIF-2B subunit alpha, N-terminalHomologous Superfamily
C [auth D],
P [auth C]
IPR000649Initiation factor 2B-relatedFamily
C [auth D],
P [auth C]
IPR027363Methylthioribose-1-phosphate isomerase, N-terminalHomologous Superfamily
C [auth D],
P [auth C]
IPR042529Initiation factor 2B-like, C-terminalHomologous Superfamily
C [auth D],
P [auth C]
IPR037171NagB/RpiA transferase-likeHomologous Superfamily
D [auth E],
E [auth F]
IPR011004Trimeric LpxA-like superfamilyHomologous Superfamily
D [auth E],
E [auth F]
IPR029044Nucleotide-diphospho-sugar transferasesHomologous Superfamily
F [auth G],
G [auth H]
IPR042529Initiation factor 2B-like, C-terminalHomologous Superfamily
F [auth G],
G [auth H]
IPR037171NagB/RpiA transferase-likeHomologous Superfamily
F [auth G],
G [auth H]
IPR000649Initiation factor 2B-relatedFamily
H [auth I],
I [auth J]
IPR044123Translation initiation factor eIF-2B subunit epsilon, W2 domainDomain
H [auth I],
I [auth J]
IPR016024Armadillo-type foldHomologous Superfamily
H [auth I],
I [auth J]
IPR003307W2 domainDomain
H [auth I],
I [auth J]
IPR035543Translation initiation factor eIF-2B subunit epsilon, N-terminalDomain
H [auth I],
I [auth J]
IPR011004Trimeric LpxA-like superfamilyHomologous Superfamily
H [auth I],
I [auth J]
IPR005835Nucleotidyl transferase domainDomain
H [auth I],
I [auth J]
IPR029044Nucleotide-diphospho-sugar transferasesHomologous Superfamily
J [auth L],
O [auth K]
IPR003029S1 domainDomain
J [auth L],
O [auth K]
IPR044126IF2a, S1-like domainDomain
J [auth L],
O [auth K]
IPR024054Translation initiation factor 2, alpha subunit, middle domain superfamilyHomologous Superfamily
J [auth L],
O [auth K]
IPR012340Nucleic acid-binding, OB-foldHomologous Superfamily
J [auth L],
O [auth K]
IPR024055Translation initiation factor 2, alpha subunit, C-terminalHomologous Superfamily
J [auth L],
O [auth K]
IPR011488Translation initiation factor 2, alpha subunitFamily
K [auth M],
M [auth N]
IPR000795Translational (tr)-type GTP-binding domainDomain
K [auth M],
M [auth N]
IPR009001Translation elongation factor EF1A/initiation factor IF2gamma, C-terminalHomologous Superfamily
K [auth M],
M [auth N]
IPR004161Translation elongation factor EFTu-like, domain 2Domain
K [auth M],
M [auth N]
IPR044128Initiation factor eIF2 gamma, GTP-binding domainDomain
K [auth M],
M [auth N]
IPR015256Initiation factor eIF2 gamma, C-terminalDomain
K [auth M],
M [auth N]
IPR009000Translation protein, beta-barrel domain superfamilyHomologous Superfamily
K [auth M],
M [auth N]
IPR044127Initiation factor eIF2 gamma, domain 2Domain
K [auth M],
M [auth N]
IPR027417P-loop containing nucleoside triphosphate hydrolaseHomologous Superfamily
L [auth O],
N [auth P]
IPR016190Translation initiation factor IF2/IF5, zinc-bindingHomologous Superfamily
L [auth O],
N [auth P]
IPR016189Translation initiation factor IF2/IF5, N-terminalHomologous Superfamily
L [auth O],
N [auth P]
IPR002735Translation initiation factor IF2/IF5 domainDomain
L [auth O],
N [auth P]
IPR045196Translation initiation factor IF2/IF5Family

Protein Modification Annotation

Modified Residue(s)
ChainResidue(s)Description
J [auth L],
O [auth K]
SEP Parent Component: SER

RESIDAA0037

PSI-MOD :  O-phospho-L-serine MOD:00046