7L70

The eukaryotic translation initiation factor 2B from Homo sapiens in its apo form

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
H	SCOP2B Superfamily	NagB/RpiA/CoA transferase-like	8101599	3000693	SCOP2B (2022-06-29)
G	SCOP2B Superfamily	NagB/RpiA/CoA transferase-like	8101599	3000693	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	F_UNCLASSIFIED	e7l70A2	A: beta duplicates or obligate multimers	X: Single-stranded left-handed beta-helix	H: Trimeric LpxA-like enzymes (From Topology)	T: Trimeric LpxA-like enzymes	F: F_UNCLASSIFIED	ECOD (1.6)
A	F_UNCLASSIFIED	e7l70A1	A: a/b three-layered sandwiches	X: Nucleotide-diphospho-sugar transferases (From Topology)	H: Nucleotide-diphospho-sugar transferases (From Topology)	T: Nucleotide-diphospho-sugar transferases	F: F_UNCLASSIFIED	ECOD (1.6)
B	F_UNCLASSIFIED	e7l70B1	A: beta duplicates or obligate multimers	X: Single-stranded left-handed beta-helix	H: Trimeric LpxA-like enzymes (From Topology)	T: Trimeric LpxA-like enzymes	F: F_UNCLASSIFIED	ECOD (1.6)
B	F_UNCLASSIFIED	e7l70B2	A: a/b three-layered sandwiches	X: Nucleotide-diphospho-sugar transferases (From Topology)	H: Nucleotide-diphospho-sugar transferases (From Topology)	T: Nucleotide-diphospho-sugar transferases	F: F_UNCLASSIFIED	ECOD (1.6)
D	PF01008	e7l70D2	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)
D	PF01008	e7l70D1	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	e7l70C1	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	e7l70C2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NagB/RpiA/CoA transferase-like	F: PF01008	ECOD (1.6)
E	PF01008	e7l70E1	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)
E	PF01008	e7l70E2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NagB/RpiA/CoA transferase-like	F: PF01008	ECOD (1.6)
F	PF01008	e7l70F1	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)
F	PF01008	e7l70F2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NagB/RpiA/CoA transferase-like	F: PF01008	ECOD (1.6)
H	PF01008	e7l70H2	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)
H	PF01008	e7l70H1	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NagB/RpiA/CoA transferase-like	F: PF01008	ECOD (1.6)
G	PF01008	e7l70G2	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)
G	PF01008	e7l70G1	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NagB/RpiA/CoA transferase-like	F: PF01008	ECOD (1.6)
J	PF00483	e7l70J1	A: a/b three-layered sandwiches	X: Nucleotide-diphospho-sugar transferases (From Topology)	H: Nucleotide-diphospho-sugar transferases (From Topology)	T: Nucleotide-diphospho-sugar transferases	F: PF00483	ECOD (1.6)
I	PF00483	e7l70I1	A: a/b three-layered sandwiches	X: Nucleotide-diphospho-sugar transferases (From Topology)	H: Nucleotide-diphospho-sugar transferases (From Topology)	T: Nucleotide-diphospho-sugar transferases	F: PF00483	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
C, D	PF01008	Initiation factor 2 subunit family (IF-2B)	Initiation factor 2 subunit family	-	Family
E, F	PF01008	Initiation factor 2 subunit family (IF-2B)	Initiation factor 2 subunit family	-	Family
G, H	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, B	Translation initiation factor eIF-2B subunit epsilon	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 protein binding translation initiation factor binding GTPase regulator activity enzyme regulator activity guanyl-nucleotide exchange factor activity nucleoside-triphosphatase regulator activity molecular function regulator activity	organonitrogen compound metabolic process cellular biosynthetic process cellular metabolic process organonitrogen compound biosynthetic process primary metabolic process translation gene expression macromolecule biosynthetic process organic substance metabolic process biosynthetic process organic substance biosynthetic process translational initiation metabolic process cellular process organonitrogen compound metabolic process cellular biosynthetic process cellular metabolic process organonitrogen compound biosynthetic process primary metabolic process translation gene expression macromolecule biosynthetic process organic substance metabolic process biosynthetic process organic substance biosynthetic process translational initiation metabolic process cellular process protein metabolic process macromolecule metabolic process developmental process multicellular organismal process head development forebrain development animal organ development brain development nervous system development pallium development multicellular organism development central nervous system development anatomical structure development telencephalon development hippocampus development limbic system development system development response to organic substance response to stimulus response to hormone response to chemical response to endogenous stimulus response to organonitrogen compound response to peptide hormone response to oxygen-containing compound response to nitrogen compound cellular response to stimulus immune response-regulating cell surface receptor signaling pathway regulation of cellular process signaling positive regulation of biological process cell communication positive regulation of response to stimulus immune response-activating signaling pathway immune response-regulating signaling pathway positive regulation of immune response regulation of immune system process signal transduction positive regulation of immune system process regulation of biological process cell surface receptor signaling pathway immune response-activating cell surface receptor signaling pathway immune response biological regulation T cell receptor signaling pathway regulation of response to stimulus immune system process regulation of immune response antigen receptor-mediated signaling pathway activation of immune response positive regulation of programmed cell death regulation of apoptotic process regulation of programmed cell death cell death positive regulation of apoptotic process apoptotic process programmed cell death positive regulation of cellular process cytoplasmic translation cytoplasmic translational initiation response to hexose response to monosaccharide response to carbohydrate response to glucose cellular developmental process astrocyte differentiation cell development glial cell development neurogenesis astrocyte development gliogenesis glial cell differentiation cell differentiation oligodendrocyte development oligodendrocyte differentiation gonad development reproductive system development reproductive process female gonad development sex differentiation female sex differentiation development of primary female sexual characteristics developmental process involved in reproduction development of primary sexual characteristics reproductive structure development ovarian follicle development myelination axon ensheathment ensheathment of neurons positive regulation of protein metabolic process positive regulation of translation positive regulation of cellular metabolic process positive regulation of macromolecule biosynthetic process regulation of primary metabolic process post-transcriptional regulation of gene expression positive regulation of metabolic process positive regulation of biosynthetic process positive regulation of macromolecule metabolic process regulation of biosynthetic process regulation of translational initiation regulation of protein metabolic process regulation of cellular metabolic process regulation of macromolecule metabolic process regulation of cellular biosynthetic process regulation of gene expression positive regulation of gene expression regulation of translation regulation of macromolecule biosynthetic process positive regulation of translational initiation regulation of metabolic process positive regulation of cellular biosynthetic process response to stress response to heat response to abiotic stimulus response to temperature stimulus cellular response to stress response to endoplasmic reticulum stress	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol protein-containing complex eukaryotic translation initiation factor 2B complex membrane-bounded organelle intracellular organelle organelle nucleus intracellular membrane-bounded organelle
C, D	Translation initiation factor eIF-2B subunit beta	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 adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding 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 adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding GTPase regulator activity enzyme regulator activity guanyl-nucleotide exchange factor activity nucleoside-triphosphatase regulator activity molecular function regulator activity guanyl nucleotide binding GTP binding guanyl ribonucleotide binding	organonitrogen compound metabolic process cellular biosynthetic process cellular metabolic process organonitrogen compound biosynthetic process primary metabolic process translation gene expression macromolecule biosynthetic process organic substance metabolic process biosynthetic process organic substance biosynthetic process translational initiation metabolic process cellular process organonitrogen compound metabolic process cellular biosynthetic process cellular metabolic process organonitrogen compound biosynthetic process primary metabolic process translation gene expression macromolecule biosynthetic process organic substance metabolic process biosynthetic process organic substance biosynthetic process translational initiation metabolic process cellular process protein metabolic process macromolecule metabolic process developmental process multicellular organismal process oligodendrocyte development cellular developmental process cell development nervous system development glial cell development multicellular organism development neurogenesis central nervous system development gliogenesis oligodendrocyte differentiation glial cell differentiation cell differentiation anatomical structure development system development gonad development reproductive system development reproductive process female gonad development sex differentiation animal organ development female sex differentiation development of primary female sexual characteristics developmental process involved in reproduction development of primary sexual characteristics reproductive structure development ovarian follicle development response to organic substance response to stimulus response to hormone response to chemical response to endogenous stimulus response to organonitrogen compound response to peptide hormone response to oxygen-containing compound response to nitrogen compound cellular response to stimulus immune response-regulating cell surface receptor signaling pathway regulation of cellular process signaling positive regulation of biological process cell communication positive regulation of response to stimulus immune response-activating signaling pathway immune response-regulating signaling pathway positive regulation of immune response regulation of immune system process signal transduction positive regulation of immune system process regulation of biological process cell surface receptor signaling pathway immune response-activating cell surface receptor signaling pathway immune response biological regulation T cell receptor signaling pathway regulation of response to stimulus immune system process regulation of immune response antigen receptor-mediated signaling pathway activation of immune response regulation of primary metabolic process post-transcriptional regulation of gene expression regulation of biosynthetic process regulation of translational initiation regulation of protein metabolic process regulation of cellular metabolic process regulation of macromolecule metabolic process regulation of cellular biosynthetic process regulation of gene expression regulation of translation regulation of macromolecule biosynthetic process regulation of metabolic process cytoplasmic translation cytoplasmic translational initiation myelination axon ensheathment ensheathment of neurons response to stress response to heat response to abiotic stimulus response to temperature stimulus response to hexose response to monosaccharide response to carbohydrate response to glucose	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol protein-containing complex eukaryotic translation initiation factor 2B complex
E, F	Translation initiation factor eIF-2B subunit delta	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 protein binding translation initiation factor binding GTPase regulator activity enzyme regulator activity guanyl-nucleotide exchange factor activity nucleoside-triphosphatase regulator activity molecular function regulator activity	organonitrogen compound metabolic process cellular biosynthetic process cellular metabolic process organonitrogen compound biosynthetic process primary metabolic process translation gene expression macromolecule biosynthetic process organic substance metabolic process biosynthetic process organic substance biosynthetic process translational initiation metabolic process cellular process organonitrogen compound metabolic process cellular biosynthetic process cellular metabolic process organonitrogen compound biosynthetic process primary metabolic process translation gene expression macromolecule biosynthetic process organic substance metabolic process biosynthetic process organic substance biosynthetic process translational initiation metabolic process cellular process protein metabolic process macromolecule metabolic process developmental process multicellular organismal process oligodendrocyte development cellular developmental process cell development nervous system development glial cell development multicellular organism development neurogenesis central nervous system development gliogenesis oligodendrocyte differentiation glial cell differentiation cell differentiation anatomical structure development system development gonad development reproductive system development reproductive process female gonad development sex differentiation animal organ development female sex differentiation development of primary female sexual characteristics developmental process involved in reproduction development of primary sexual characteristics reproductive structure development ovarian follicle development response to organic substance response to stimulus response to hormone response to chemical response to endogenous stimulus response to organonitrogen compound response to peptide hormone response to oxygen-containing compound response to nitrogen compound cellular response to stimulus immune response-regulating cell surface receptor signaling pathway regulation of cellular process signaling positive regulation of biological process cell communication positive regulation of response to stimulus immune response-activating signaling pathway immune response-regulating signaling pathway positive regulation of immune response regulation of immune system process signal transduction positive regulation of immune system process regulation of biological process cell surface receptor signaling pathway immune response-activating cell surface receptor signaling pathway immune response biological regulation T cell receptor signaling pathway regulation of response to stimulus immune system process regulation of immune response antigen receptor-mediated signaling pathway activation of immune response cytoplasmic translation cytoplasmic translational initiation myelination axon ensheathment ensheathment of neurons regulation of primary metabolic process post-transcriptional regulation of gene expression regulation of biosynthetic process regulation of protein metabolic process regulation of cellular metabolic process regulation of macromolecule metabolic process regulation of cellular biosynthetic process regulation of gene expression regulation of translation regulation of macromolecule biosynthetic process regulation of metabolic process response to stress response to heat response to abiotic stimulus response to temperature stimulus response to hexose response to monosaccharide response to carbohydrate response to glucose	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol protein-containing complex eukaryotic translation initiation factor 2B complex
G, H	Translation initiation factor eIF-2B subunit alpha	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 identical protein binding protein binding	organonitrogen compound metabolic process cellular biosynthetic process cellular metabolic process organonitrogen compound biosynthetic process primary metabolic process translation gene expression macromolecule biosynthetic process organic substance metabolic process biosynthetic process organic substance biosynthetic process translational initiation metabolic process cellular process organonitrogen compound metabolic process cellular biosynthetic process cellular metabolic process organonitrogen compound biosynthetic process primary metabolic process translation gene expression macromolecule biosynthetic process organic substance metabolic process biosynthetic process organic substance biosynthetic process translational initiation metabolic process cellular process protein metabolic process macromolecule metabolic process developmental process multicellular organismal process oligodendrocyte development cellular developmental process cell development nervous system development glial cell development multicellular organism development neurogenesis central nervous system development gliogenesis oligodendrocyte differentiation glial cell differentiation cell differentiation anatomical structure development system development response to organic substance response to stimulus response to hormone response to chemical response to endogenous stimulus response to organonitrogen compound response to peptide hormone response to oxygen-containing compound response to nitrogen compound cellular response to stimulus immune response-regulating cell surface receptor signaling pathway regulation of cellular process signaling positive regulation of biological process cell communication positive regulation of response to stimulus immune response-activating signaling pathway immune response-regulating signaling pathway positive regulation of immune response regulation of immune system process signal transduction positive regulation of immune system process regulation of biological process cell surface receptor signaling pathway immune response-activating cell surface receptor signaling pathway immune response biological regulation T cell receptor signaling pathway regulation of response to stimulus immune system process regulation of immune response antigen receptor-mediated signaling pathway activation of immune response cytoplasmic translation cytoplasmic translational initiation response to stress response to heat response to abiotic stimulus response to temperature stimulus response to hexose response to monosaccharide response to carbohydrate response to glucose	membrane cellular anatomical entity intracellular anatomical structure cytoplasm cytosol protein-containing complex eukaryotic translation initiation factor 2B complex cell periphery plasma membrane
I, J	Translation initiation factor eIF-2B subunit gamma	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	organonitrogen compound metabolic process cellular biosynthetic process cellular metabolic process organonitrogen compound biosynthetic process primary metabolic process translation gene expression macromolecule biosynthetic process organic substance metabolic process biosynthetic process organic substance biosynthetic process translational initiation metabolic process cellular process organonitrogen compound metabolic process cellular biosynthetic process cellular metabolic process organonitrogen compound biosynthetic process primary metabolic process translation gene expression macromolecule biosynthetic process organic substance metabolic process biosynthetic process organic substance biosynthetic process translational initiation metabolic process cellular process protein metabolic process macromolecule metabolic process developmental process multicellular organismal process oligodendrocyte development cellular developmental process cell development nervous system development glial cell development multicellular organism development neurogenesis central nervous system development gliogenesis oligodendrocyte differentiation glial cell differentiation cell differentiation anatomical structure development system development response to organic substance response to stimulus response to hormone response to chemical response to endogenous stimulus response to organonitrogen compound response to peptide hormone response to oxygen-containing compound response to nitrogen compound cellular response to stimulus immune response-regulating cell surface receptor signaling pathway regulation of cellular process signaling positive regulation of biological process cell communication positive regulation of response to stimulus immune response-activating signaling pathway immune response-regulating signaling pathway positive regulation of immune response regulation of immune system process signal transduction positive regulation of immune system process regulation of biological process cell surface receptor signaling pathway immune response-activating cell surface receptor signaling pathway immune response biological regulation T cell receptor signaling pathway regulation of response to stimulus immune system process regulation of immune response antigen receptor-mediated signaling pathway activation of immune response cytoplasmic translation cytoplasmic translational initiation response to stress response to heat response to abiotic stimulus response to temperature stimulus response to hexose response to monosaccharide response to carbohydrate response to glucose	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol protein-containing complex eukaryotic translation initiation factor 2B complex guanyl-nucleotide exchange factor complex intracellular protein-containing complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR044123	Translation initiation factor eIF-2B subunit epsilon, W2 domain	Domain
A, B	IPR016024	Armadillo-type fold	Homologous Superfamily
A, B	IPR003307	W2 domain	Domain
A, B	IPR035543	Translation initiation factor eIF-2B subunit epsilon, N-terminal	Domain
A, B	IPR011004	Trimeric LpxA-like superfamily	Homologous Superfamily
A, B	IPR029044	Nucleotide-diphospho-sugar transferases	Homologous Superfamily
C, D	IPR000649	Initiation factor 2B-related	Family
C, D	IPR042529	Initiation factor 2B-like, C-terminal	Homologous Superfamily
C, D	IPR037171	NagB/RpiA transferase-like	Homologous Superfamily
E, F	IPR000649	Initiation factor 2B-related	Family
E, F	IPR042529	Initiation factor 2B-like, C-terminal	Homologous Superfamily
E, F	IPR037171	NagB/RpiA transferase-like	Homologous Superfamily
G, H	IPR000649	Initiation factor 2B-related	Family
G, H	IPR042529	Initiation factor 2B-like, C-terminal	Homologous Superfamily
G, H	IPR037171	NagB/RpiA transferase-like	Homologous Superfamily
G, H	IPR042528	Translation initiation factor eIF-2B subunit alpha, N-terminal	Homologous Superfamily
I, J	IPR005835	Nucleotidyl transferase domain	Domain
I, J	IPR029044	Nucleotide-diphospho-sugar transferases	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B	Pharos: Q13144	leukodystrophy leukoencephalopathy with vanishing white matter Adenocarcinoma of Lung esophageal adenocarcinoma lung adenocarcinoma ovarian cancer malignant mesothelioma ovarioleukodystrophy osteosarcoma
C, D	Pharos: P49770	leukoencephalopathy with vanishing white matter leukodystrophy Ataxias, Hereditary heart disease ovarioleukodystrophy
E, F	Pharos: Q9UI10	leukoencephalopathy with vanishing white matter leukodystrophy Adenocarcinoma of Lung lung adenocarcinoma ovarian cancer lung cancer ovarioleukodystrophy Crohn disease osteosarcoma
G, H	Pharos: Q14232	leukoencephalopathy with vanishing white matter leukodystrophy Adenocarcinoma of Lung ovarian cancer glioblastoma lung adenocarcinoma ovarioleukodystrophy lung cancer
I, J	Pharos: Q9NR50	leukoencephalopathy with vanishing white matter leukodystrophy Ataxias, Hereditary ovarioleukodystrophy

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.