5DBO

Crystal structure of the tetrameric eIF2B-beta2-delta2 complex from C. thermophilum

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF01008	e5dboA2	A: alpha bundles	X: 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 domain	F: PF01008	ECOD (1.6)
A	PF01008	e5dboA1	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NagB/RpiA/CoA transferase-like	F: PF01008	ECOD (1.6)
C	PF01008	e5dboC2	A: alpha bundles	X: 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 domain	F: PF01008	ECOD (1.6)
C	PF01008	e5dboC1	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NagB/RpiA/CoA transferase-like	F: PF01008	ECOD (1.6)
B	F_UNCLASSIFIED	e5dboB1	A: alpha bundles	X: 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 domain	F: F_UNCLASSIFIED	ECOD (1.6)
B	PF01008	e5dboB2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NagB/RpiA/CoA transferase-like	F: PF01008	ECOD (1.6)
D	F_UNCLASSIFIED	e5dboD1	A: alpha bundles	X: 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 domain	F: F_UNCLASSIFIED	ECOD (1.6)
D	PF01008	e5dboD2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NagB/RpiA/CoA transferase-like	F: PF01008	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.50.10470	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Translation initiation factor eif-2b	CATH (4.3.0)
C	3.40.50.10470	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Translation initiation factor eif-2b	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, C	PF01008	Initiation factor 2 subunit family (IF-2B)	Initiation factor 2 subunit family	-	Family
B, D	PF01008	Initiation factor 2 subunit family (IF-2B)	Initiation factor 2 subunit family	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, C	Translation initiation factor eif-2b-like protein	translation regulator activity binding organic cyclic compound binding translation regulator activity, nucleic acid binding nucleic acid binding translation initiation factor activity translation factor activity, RNA binding	-	-
B, D	Translation initiation factor eIF2b-like protein,Translation initiation factor eIF2b-like protein	translation regulator activity binding organic cyclic compound binding translation regulator activity, nucleic acid binding nucleic acid binding translation initiation factor activity translation factor activity, RNA binding	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, C	IPR042529	Initiation factor 2B-like, C-terminal	Homologous Superfamily
A, C	IPR037171	NagB/RpiA transferase-like	Homologous Superfamily
A, C	IPR000649	Initiation factor 2B-related	Family
B, D	IPR042529	Initiation factor 2B-like, C-terminal	Homologous Superfamily
B, D	IPR037171	NagB/RpiA transferase-like	Homologous Superfamily
B, D	IPR000649	Initiation factor 2B-related	Family

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.