7L7G

Electron cryo-microscopy of the eukaryotic translation initiation factor 2B from Homo sapiens (updated model of PDB ID: 6CAJ)


Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
I [auth H]SCOP2B SuperfamilyNagB/RpiA/CoA transferase-like 8101599 3000693 SCOP2B (2022-06-29)
J [auth G]SCOP2B 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)
A [auth B]Hexapep_2_1e7l7gB1 A: beta duplicates or obligate multimersX: Single-stranded left-handed beta-helixH: Trimeric LpxA-like enzymes (From Topology)T: Trimeric LpxA-like enzymesF: Hexapep_2_1ECOD (1.6)
A [auth B]NTP_transferasee7l7gB2 A: a/b three-layered sandwichesX: Nucleotide-diphospho-sugar transferases (From Topology)H: Nucleotide-diphospho-sugar transferases (From Topology)T: Nucleotide-diphospho-sugar transferasesF: NTP_transferaseECOD (1.6)
E [auth A]Hexapep_2_1e7l7gA1 A: beta duplicates or obligate multimersX: Single-stranded left-handed beta-helixH: Trimeric LpxA-like enzymes (From Topology)T: Trimeric LpxA-like enzymesF: Hexapep_2_1ECOD (1.6)
E [auth A]NTP_transferasee7l7gA2 A: a/b three-layered sandwichesX: Nucleotide-diphospho-sugar transferases (From Topology)H: Nucleotide-diphospho-sugar transferases (From Topology)T: Nucleotide-diphospho-sugar transferasesF: NTP_transferaseECOD (1.6)
B [auth J]NTP_transferasee7l7gJ1 A: a/b three-layered sandwichesX: Nucleotide-diphospho-sugar transferases (From Topology)H: Nucleotide-diphospho-sugar transferases (From Topology)T: Nucleotide-diphospho-sugar transferasesF: NTP_transferaseECOD (1.6)
F [auth I]NTP_transferasee7l7gI1 A: a/b three-layered sandwichesX: Nucleotide-diphospho-sugar transferases (From Topology)H: Nucleotide-diphospho-sugar transferases (From Topology)T: Nucleotide-diphospho-sugar transferasesF: NTP_transferaseECOD (1.6)
CKOG1465e7l7gC2 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: KOG1465ECOD (1.6)
CIF-2B_Ce7l7gC1 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: NagB/RpiA/CoA transferase-likeF: IF-2B_CECOD (1.6)
G [auth D]KOG1465e7l7gD1 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: KOG1465ECOD (1.6)
G [auth D]IF-2B_Ce7l7gD2 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: NagB/RpiA/CoA transferase-likeF: IF-2B_CECOD (1.6)
D [auth F]IF-2B_N_1e7l7gF2 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)
D [auth F]IF-2B_Ce7l7gF1 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: NagB/RpiA/CoA transferase-likeF: IF-2B_CECOD (1.6)
H [auth E]IF-2B_N_1e7l7gE2 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)
H [auth E]IF-2B_Ce7l7gE1 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: NagB/RpiA/CoA transferase-likeF: IF-2B_CECOD (1.6)
I [auth H]IF-2B_N_1e7l7gH2 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)
I [auth H]IF-2B_Ce7l7gH1 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: NagB/RpiA/CoA transferase-likeF: IF-2B_CECOD (1.6)
J [auth G]IF-2B_N_1e7l7gG1 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)
J [auth G]IF-2B_Ce7l7gG2 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: NagB/RpiA/CoA transferase-likeF: IF-2B_CECOD (1.6)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
B [auth J],
F [auth I]
PF00483Nucleotidyl transferase (NTP_transferase)Nucleotidyl transferase- Family
C,
G [auth D]
PF01008Initiation factor 2 subunit family (IF-2B)Initiation factor 2 subunit family- Family
D [auth F],
H [auth E]
PF01008Initiation factor 2 subunit family (IF-2B)Initiation factor 2 subunit family- Family
I [auth H],
J [auth G]
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 [auth B],
E [auth A]
Translation initiation factor eIF-2B subunit epsilon
B [auth J],
F [auth I]
Translation initiation factor eIF-2B subunit gamma
C,
G [auth D]
Translation initiation factor eIF-2B subunit beta
D [auth F],
H [auth E]
Translation initiation factor eIF-2B subunit delta
I [auth H],
J [auth G]
Translation initiation factor eIF-2B subunit alpha

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
A [auth B],
E [auth A]
IPR044123Translation initiation factor eIF-2B subunit epsilon, W2 domainDomain
A [auth B],
E [auth A]
IPR016024Armadillo-type foldHomologous Superfamily
A [auth B],
E [auth A]
IPR003307W2 domainDomain
A [auth B],
E [auth A]
IPR035543Translation initiation factor eIF-2B subunit epsilon, N-terminalDomain
A [auth B],
E [auth A]
IPR011004Trimeric LpxA-like superfamilyHomologous Superfamily
A [auth B],
E [auth A]
IPR029044Nucleotide-diphospho-sugar transferasesHomologous Superfamily
A [auth B],
E [auth A]
IPR051956eIF2B Complex Subunit EpsilonFamily
B [auth J],
F [auth I]
IPR051960Eukaryotic Initiation Factor 2B Subunit GammaFamily
B [auth J],
F [auth I]
IPR005835Nucleotidyl transferase domainDomain
B [auth J],
F [auth I]
IPR029044Nucleotide-diphospho-sugar transferasesHomologous Superfamily
C,
G [auth D]
IPR051855Eukaryotic initiation factor 2B subunit betaFamily
C,
G [auth D]
IPR000649Initiation factor 2B-relatedFamily
C,
G [auth D]
IPR042529Initiation factor 2B-like, C-terminalHomologous Superfamily
C,
G [auth D]
IPR037171NagB/RpiA transferase-likeHomologous Superfamily
D [auth F],
H [auth E]
IPR000649Initiation factor 2B-relatedFamily
D [auth F],
H [auth E]
IPR042529Initiation factor 2B-like, C-terminalHomologous Superfamily
D [auth F],
H [auth E]
IPR037171NagB/RpiA transferase-likeHomologous Superfamily
I [auth H],
J [auth G]
IPR000649Initiation factor 2B-relatedFamily
I [auth H],
J [auth G]
IPR051501Eukaryotic initiation factor 2B subunits alpha/beta/deltaFamily
I [auth H],
J [auth G]
IPR042529Initiation factor 2B-like, C-terminalHomologous Superfamily
I [auth H],
J [auth G]
IPR037171NagB/RpiA transferase-likeHomologous Superfamily
I [auth H],
J [auth G]
IPR042528Translation initiation factor eIF-2B subunit alpha, N-terminalHomologous Superfamily