Annotations: 5DBO

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	IF-2B_N_1	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: IF-2B_N_1	ECOD (1.6)
A	IF-2B_C	e5dboA1	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NagB/RpiA/CoA transferase-like	F: IF-2B_C	ECOD (1.6)
C	IF-2B_N_1	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: IF-2B_N_1	ECOD (1.6)
C	IF-2B_C	e5dboC1	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NagB/RpiA/CoA transferase-like	F: IF-2B_C	ECOD (1.6)
B	KOG1465	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: KOG1465	ECOD (1.6)
B	IF-2B_C	e5dboB2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NagB/RpiA/CoA transferase-like	F: IF-2B_C	ECOD (1.6)
D	KOG1465	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: KOG1465	ECOD (1.6)
D	IF-2B_C	e5dboD2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NagB/RpiA/CoA transferase-like	F: IF-2B_C	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	-	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol
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 GTPase regulator activity enzyme regulator activity guanyl-nucleotide exchange factor activity nucleoside-triphosphatase regulator activity molecular function regulator activity	-	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol protein-containing complex eukaryotic translation initiation factor 2B complex

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	IPR051855	Eukaryotic initiation factor 2B subunit beta	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.