Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
ASCOP2B SuperfamilyNagB/RpiA/CoA transferase-like 8101599 3000693 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyNagB/RpiA/CoA transferase-like 8101599 3000693 SCOP2B (2022-06-29)
CSCOP2 FamilyIF2B-like 8101598 4002100 SCOP2 (2022-06-29)
CSCOP2 SuperfamilyNagB/RpiA/CoA transferase-like 8101599 3000693 SCOP2 (2022-06-29)
DSCOP2B SuperfamilyNagB/RpiA/CoA transferase-like 8101599 3000693 SCOP2B (2022-06-29)
ESCOP2B SuperfamilyNagB/RpiA/CoA transferase-like 8101599 3000693 SCOP2B (2022-06-29)
FSCOP2B SuperfamilyNagB/RpiA/CoA transferase-like 8101599 3000693 SCOP2B (2022-06-29)
GSCOP2B SuperfamilyNagB/RpiA/CoA transferase-like 8101599 3000693 SCOP2B (2022-06-29)
HSCOP2B SuperfamilyNagB/RpiA/CoA transferase-like 8101599 3000693 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
AIF-2B_N_1e3ecsA3 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: IF-2B_N_1ECOD (1.6)
AIF-2B_Ce3ecsA2 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: NagB/RpiA/CoA transferase-likeF: IF-2B_CECOD (1.6)
BIF-2B_N_1e3ecsB3 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: IF-2B_N_1ECOD (1.6)
BIF-2B_Ce3ecsB2 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: NagB/RpiA/CoA transferase-likeF: IF-2B_CECOD (1.6)
CIF-2B_N_1e3ecsC3 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: IF-2B_N_1ECOD (1.6)
CIF-2B_Ce3ecsC2 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: NagB/RpiA/CoA transferase-likeF: IF-2B_CECOD (1.6)
DIF-2B_N_1e3ecsD3 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: IF-2B_N_1ECOD (1.6)
DIF-2B_Ce3ecsD2 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: NagB/RpiA/CoA transferase-likeF: IF-2B_CECOD (1.6)
EIF-2B_N_1e3ecsE3 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: IF-2B_N_1ECOD (1.6)
EIF-2B_Ce3ecsE2 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: NagB/RpiA/CoA transferase-likeF: IF-2B_CECOD (1.6)
FIF-2B_N_1e3ecsF3 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: IF-2B_N_1ECOD (1.6)
FIF-2B_Ce3ecsF2 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: NagB/RpiA/CoA transferase-likeF: IF-2B_CECOD (1.6)
GIF-2B_N_1e3ecsG3 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: IF-2B_N_1ECOD (1.6)
GIF-2B_Ce3ecsG2 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: NagB/RpiA/CoA transferase-likeF: IF-2B_CECOD (1.6)
HIF-2B_N_1e3ecsH3 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: IF-2B_N_1ECOD (1.6)
HIF-2B_Ce3ecsH2 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: NagB/RpiA/CoA transferase-likeF: IF-2B_CECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
A1.20.120.1070 Mainly Alpha Up-down Bundle Four Helix Bundle (Hemerythrin (Met), subunit A) Translation initiation factor eIF-2B, N-terminal domainCATH (4.3.0)
A3.40.50.10470 Alpha Beta 3-Layer(aba) Sandwich Rossmann fold Translation initiation factor eif-2bCATH (4.3.0)
B1.20.120.1070 Mainly Alpha Up-down Bundle Four Helix Bundle (Hemerythrin (Met), subunit A) Translation initiation factor eIF-2B, N-terminal domainCATH (4.3.0)
B3.40.50.10470 Alpha Beta 3-Layer(aba) Sandwich Rossmann fold Translation initiation factor eif-2bCATH (4.3.0)
C1.20.120.1070 Mainly Alpha Up-down Bundle Four Helix Bundle (Hemerythrin (Met), subunit A) Translation initiation factor eIF-2B, N-terminal domainCATH (4.3.0)
C3.40.50.10470 Alpha Beta 3-Layer(aba) Sandwich Rossmann fold Translation initiation factor eif-2bCATH (4.3.0)
D1.20.120.1070 Mainly Alpha Up-down Bundle Four Helix Bundle (Hemerythrin (Met), subunit A) Translation initiation factor eIF-2B, N-terminal domainCATH (4.3.0)
D3.40.50.10470 Alpha Beta 3-Layer(aba) Sandwich Rossmann fold Translation initiation factor eif-2bCATH (4.3.0)
E1.20.120.1070 Mainly Alpha Up-down Bundle Four Helix Bundle (Hemerythrin (Met), subunit A) Translation initiation factor eIF-2B, N-terminal domainCATH (4.3.0)
E3.40.50.10470 Alpha Beta 3-Layer(aba) Sandwich Rossmann fold Translation initiation factor eif-2bCATH (4.3.0)
F1.20.120.1070 Mainly Alpha Up-down Bundle Four Helix Bundle (Hemerythrin (Met), subunit A) Translation initiation factor eIF-2B, N-terminal domainCATH (4.3.0)
F3.40.50.10470 Alpha Beta 3-Layer(aba) Sandwich Rossmann fold Translation initiation factor eif-2bCATH (4.3.0)
G1.20.120.1070 Mainly Alpha Up-down Bundle Four Helix Bundle (Hemerythrin (Met), subunit A) Translation initiation factor eIF-2B, N-terminal domainCATH (4.3.0)
G3.40.50.10470 Alpha Beta 3-Layer(aba) Sandwich Rossmann fold Translation initiation factor eif-2bCATH (4.3.0)
H1.20.120.1070 Mainly Alpha Up-down Bundle Four Helix Bundle (Hemerythrin (Met), subunit A) Translation initiation factor eIF-2B, N-terminal domainCATH (4.3.0)
H3.40.50.10470 Alpha Beta 3-Layer(aba) Sandwich Rossmann fold Translation initiation factor eif-2bCATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A, B, C, D, E
PF01008Initiation factor 2 subunit family (IF-2B)Initiation factor 2 subunit family- Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
A, B, C, D, E
Translation initiation factor eIF-2B subunit alpha

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
A, B, C, D, E
IPR000649Initiation factor 2B-relatedFamily
A, B, C, D, E
IPR051501Eukaryotic initiation factor 2B subunits alpha/beta/deltaFamily
A, B, C, D, E
IPR042529Initiation factor 2B-like, C-terminalHomologous Superfamily
A, B, C, D, E
IPR037171NagB/RpiA transferase-likeHomologous Superfamily
A, B, C, D, E
IPR042528Translation initiation factor eIF-2B subunit alpha, N-terminalHomologous Superfamily