6O81

Electron cryo-microscopy of the eukaryotic translation initiation factor 2B bound to translation initiation factor 2 from Homo sapiens

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)
K [auth L]	SCOP2B Superfamily	eIF2alpha middle domain-like	8042150	3001761	SCOP2B (2022-06-29)
K [auth L]	SCOP2B Superfamily	Nucleic acid-binding proteins	8042151	3000135	SCOP2B (2022-06-29)
L [auth M]	SCOP2B Superfamily	Nucleic acid-binding proteins	8042151	3000135	SCOP2B (2022-06-29)
L [auth M]	SCOP2B Superfamily	eIF2alpha middle domain-like	8042150	3001761	SCOP2B (2022-06-29)
G	SCOP2B Superfamily	NagB/RpiA/CoA transferase-like	8101599	3000693	SCOP2B (2022-06-29)
H	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	e6o81A3	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	PF02020	e6o81A2	A: alpha superhelices	X: Repetitive alpha hairpins	H: ARM repeat (From Topology)	T: ARM repeat	F: PF02020	ECOD (1.6)
A	F_UNCLASSIFIED	e6o81A1	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	e6o81B3	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	PF02020	e6o81B2	A: alpha superhelices	X: Repetitive alpha hairpins	H: ARM repeat (From Topology)	T: ARM repeat	F: PF02020	ECOD (1.6)
B	F_UNCLASSIFIED	e6o81B1	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)
E	PF01008	e6o81E2	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	e6o81E1	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	e6o81F1	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	e6o81F2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NagB/RpiA/CoA transferase-like	F: PF01008	ECOD (1.6)
I	PF00483	e6o81I1	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)
J	PF00483	e6o81J1	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)
K [auth L]	PF00575	e6o81L1	A: beta barrels	X: OB-fold	H: Nucleic acid-binding proteins (From Topology)	T: Nucleic acid-binding proteins	F: PF00575	ECOD (1.6)
K [auth L]	PF07541	e6o81L3	A: alpha arrays	X: HhH/H2TH	H: eIF2alpha middle domain (From Topology)	T: eIF2alpha middle domain	F: PF07541	ECOD (1.6)
K [auth L]	PF07541	e6o81L2	A: a+b two layers	X: Alpha-beta plaits	H: eIF-2-alpha, C-terminal domain (From Topology)	T: eIF-2-alpha, C-terminal domain	F: PF07541	ECOD (1.6)
L [auth M]	PF00575	e6o81M2	A: beta barrels	X: OB-fold	H: Nucleic acid-binding proteins (From Topology)	T: Nucleic acid-binding proteins	F: PF00575	ECOD (1.6)
L [auth M]	PF07541	e6o81M3	A: alpha arrays	X: HhH/H2TH	H: eIF2alpha middle domain (From Topology)	T: eIF2alpha middle domain	F: PF07541	ECOD (1.6)
L [auth M]	PF07541	e6o81M1	A: a+b two layers	X: Alpha-beta plaits	H: eIF-2-alpha, C-terminal domain (From Topology)	T: eIF-2-alpha, C-terminal domain	F: PF07541	ECOD (1.6)
M [auth S]	PF03144	e6o81S2	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: Alanine racemase-C	F: PF03144	ECOD (1.6)
M [auth S]	PF09173	e6o81S1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: Aminomethyltransferase beta-barrel domain	F: PF09173	ECOD (1.6)
M [auth S]	PF00009	e6o81S3	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: PF00009	ECOD (1.6)
N [auth T]	PF03144	e6o81T2	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: Alanine racemase-C	F: PF03144	ECOD (1.6)
N [auth T]	PF09173	e6o81T1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: Aminomethyltransferase beta-barrel domain	F: PF09173	ECOD (1.6)
N [auth T]	PF00009	e6o81T3	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: PF00009	ECOD (1.6)
C	PF01008	e6o81C1	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	e6o81C2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NagB/RpiA/CoA transferase-like	F: PF01008	ECOD (1.6)
D	PF01008	e6o81D1	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	e6o81D2	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	e6o81G2	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	e6o81G1	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	e6o81H1	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	e6o81H2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NagB/RpiA/CoA transferase-like	F: PF01008	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF02020	eIF4-gamma/eIF5/eIF2-epsilon (W2)	eIF4-gamma/eIF5/eIF2-epsilon	-	Repeat
E, F	PF01008	Initiation factor 2 subunit family (IF-2B)	Initiation factor 2 subunit family	-	Family
K [auth L], L [auth M]	PF07541	Eukaryotic translation initiation factor 2 alpha subunit (EIF_2_alpha)	Eukaryotic translation initiation factor 2 alpha subunit	-	Family
K [auth L], L [auth M]	PF00575	S1 RNA binding domain (S1)	S1 RNA binding domain	The S1 domain occurs in a wide range of RNA associated proteins. It is structurally similar to cold shock protein which binds nucleic acids. The S1 domain has an OB-fold structure.	Domain
M [auth S], N [auth T]	PF00009	Elongation factor Tu GTP binding domain (GTP_EFTU)	Elongation factor Tu GTP binding domain	This domain contains a P-loop motif, also found in several other families such as Pfam:PF00071, Pfam:PF00025 and Pfam:PF00063. Elongation factor Tu consists of three structural domains, this plus two C-terminal beta barrel domains.	Domain
M [auth S], N [auth T]	PF09173	Initiation factor eIF2 gamma, C terminal (eIF2_C)	Initiation factor eIF2 gamma, C terminal	Members of this family, which are found in the initiation factors eIF2 and EF-Tu, adopt a structure consisting of a beta barrel with Greek key topology. They are required for formation of the ternary complex with GTP and initiator tRNA [1].	Domain
M [auth S], N [auth T]	PF03144	Elongation factor Tu domain 2 (GTP_EFTU_D2)	Elongation factor Tu domain 2	Elongation factor Tu consists of three structural domains, this is the second domain. This domain adopts a beta barrel structure. This the second domain is involved in binding to charged tRNA [1]. This domain is also found in other proteins such as e ...	Elongation factor Tu consists of three structural domains, this is the second domain. This domain adopts a beta barrel structure. This the second domain is involved in binding to charged tRNA [1]. This domain is also found in other proteins such as elongation factor G and translation initiation factor IF-2. This domain is structurally related to Pfam:PF03143, and in fact has weak sequence matches to this domain.	Domain
C, D	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
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
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
K [auth L], L [auth M]	Eukaryotic translation initiation factor 2 subunit 1	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 RNA binding ribonucleoprotein complex binding protein-containing complex binding ribosome binding	cellular response to stimulus cellular response to inorganic substance cellular response to metal ion response to manganese-induced endoplasmic reticulum stress response to stimulus cellular response to manganese ion cellular response to chemical stress response to inorganic substance cellular response to chemical stimulus cellular response to stress response to metal ion response to stress response to chemical cellular process cellular response to stimulus cellular response to inorganic substance cellular response to metal ion response to manganese-induced endoplasmic reticulum stress response to stimulus cellular response to manganese ion cellular response to chemical stress response to inorganic substance cellular response to chemical stimulus cellular response to stress response to metal ion response to stress response to chemical cellular process response to manganese ion response to endoplasmic reticulum stress 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 protein metabolic process macromolecule metabolic process regulation of cellular process negative regulation of biological process negative regulation of cellular metabolic process regulation of primary metabolic process post-transcriptional regulation of gene expression negative regulation of translation negative regulation of cellular process negative regulation of protein metabolic process negative regulation of macromolecule metabolic process negative regulation of translational initiation in response to stress regulation of biosynthetic process regulation of biological process regulation of translational initiation regulation of protein metabolic process negative regulation of metabolic process biological regulation negative regulation of translational initiation regulation of cellular metabolic process regulation of macromolecule metabolic process negative regulation of cellular biosynthetic process regulation of cellular biosynthetic process regulation of gene expression negative regulation of gene expression negative regulation of biosynthetic process regulation of translation negative regulation of macromolecule biosynthetic process regulation of macromolecule biosynthetic process regulation of metabolic process cellular response to heat response to heat response to abiotic stimulus response to temperature stimulus regulation of translation in response to stress regulation of translational initiation in response to stress regulation of translation in response to endoplasmic reticulum stress positive regulation of epithelial cell apoptotic process positive regulation of programmed cell death regulation of epithelial cell apoptotic process regulation of type B pancreatic cell apoptotic process regulation of apoptotic process positive regulation of biological process regulation of programmed cell death cell death positive regulation of apoptotic process epithelial cell apoptotic process positive regulation of type B pancreatic cell apoptotic process type B pancreatic cell apoptotic process apoptotic process programmed cell death positive regulation of cellular process response to oxidative stress cellular response to oxidative stress response to organic substance signaling PERK-mediated unfolded protein response endoplasmic reticulum unfolded protein response integrated stress response signaling intracellular signal transduction cell communication intracellular signaling cassette ER-nucleus signaling pathway signal transduction cellular response to organic substance cellular response to topologically incorrect protein cellular response to unfolded protein response to unfolded protein response to topologically incorrect protein response to light stimulus cellular response to radiation response to UV cellular response to environmental stimulus cellular response to light stimulus response to radiation cellular response to abiotic stimulus cellular response to UV response to acid chemical response to organonitrogen compound response to kainic acid response to oxygen-containing compound response to nitrogen compound response to amino acid response to organic cyclic compound cellular component biogenesis cellular component organization organelle organization cellular component assembly stress granule assembly organelle assembly non-membrane-bounded organelle assembly cellular component organization or biogenesis response to nutrient levels cellular response to amino acid starvation cellular response to starvation cellular response to nutrient levels response to amino acid starvation response to starvation	intracellular anatomical structure cytoplasmic ribonucleoprotein granule cellular anatomical entity ribonucleoprotein granule intracellular organelle organelle intracellular non-membrane-bounded organelle cytoplasm supramolecular complex non-membrane-bounded organelle cytoplasmic stress granule membrane extracellular exosome membrane-bounded organelle intracellular anatomical structure cytoplasmic ribonucleoprotein granule cellular anatomical entity ribonucleoprotein granule intracellular organelle organelle intracellular non-membrane-bounded organelle cytoplasm supramolecular complex non-membrane-bounded organelle cytoplasmic stress granule membrane extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle extracellular region extracellular space vesicle extracellular membrane-bounded organelle cytosol protein-containing complex eukaryotic translation initiation factor 2 complex ribonucleoprotein complex translation initiation ternary complex glial cell projection cell projection glial limiting end-foot plasma membrane bounded cell projection astrocyte end-foot astrocyte projection synapse cell junction translation preinitiation complex eukaryotic 48S preinitiation complex nucleus intracellular membrane-bounded organelle
M [auth S], N [auth T]	Eukaryotic translation initiation factor 2 subunit 3	RNA binding binding organic cyclic compound binding tRNA binding nucleic acid binding methionyl-initiator methionine tRNA binding translation regulator activity translation regulator activity, nucleic acid binding translation initiation factor activity translation factor activity, RNA binding cell adhesion molecule binding cadherin binding protein binding guanyl nucleotide binding RNA binding binding organic cyclic compound binding tRNA binding nucleic acid binding methionyl-initiator methionine tRNA binding translation regulator activity translation regulator activity, nucleic acid binding translation initiation factor activity translation factor activity, RNA binding cell adhesion molecule binding cadherin binding protein binding guanyl nucleotide binding GTP binding nucleotide binding guanyl ribonucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding pyrophosphatase activity GTPase activity ribonucleoside triphosphate phosphatase activity hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides hydrolase activity hydrolase activity, acting on acid anhydrides catalytic 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 ribonucleoprotein complex biogenesis protein-RNA complex assembly cellular component organization cellular component biogenesis protein-RNA complex organization cellular component assembly protein-containing complex assembly cellular component organization or biogenesis formation of translation preinitiation complex protein-containing complex organization cytoplasmic translation cytoplasmic translational initiation	extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle extracellular region organelle extracellular space cellular anatomical entity vesicle extracellular membrane-bounded organelle intracellular anatomical structure cytoplasm cytosol protein-containing complex extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle extracellular region organelle extracellular space cellular anatomical entity vesicle extracellular membrane-bounded organelle intracellular anatomical structure cytoplasm cytosol protein-containing complex eukaryotic translation initiation factor 2 complex
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
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
O [auth d], P [auth e]	Translation initiation factor eiF2 beta-subunit	-	-	-

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
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
I, J	IPR005835	Nucleotidyl transferase domain	Domain
I, J	IPR029044	Nucleotide-diphospho-sugar transferases	Homologous Superfamily
K [auth L], L [auth M]	IPR044126	IF2a, S1-like domain	Domain
K [auth L], L [auth M]	IPR024054	Translation initiation factor 2, alpha subunit, middle domain superfamily	Homologous Superfamily
K [auth L], L [auth M]	IPR024055	Translation initiation factor 2, alpha subunit, C-terminal	Homologous Superfamily
K [auth L], L [auth M]	IPR003029	S1 domain	Domain
K [auth L], L [auth M]	IPR012340	Nucleic acid-binding, OB-fold	Homologous Superfamily
K [auth L], L [auth M]	IPR011488	Translation initiation factor 2, alpha subunit	Family
M [auth S], N [auth T]	IPR000795	Translational (tr)-type GTP-binding domain	Domain
M [auth S], N [auth T]	IPR009001	Translation elongation factor EF1A/initiation factor IF2gamma, C-terminal	Homologous Superfamily
M [auth S], N [auth T]	IPR004161	Translation elongation factor EFTu-like, domain 2	Domain
M [auth S], N [auth T]	IPR044128	Initiation factor eIF2 gamma, GTP-binding domain	Domain
M [auth S], N [auth T]	IPR015256	Initiation factor eIF2 gamma, C-terminal	Domain
M [auth S], N [auth T]	IPR009000	Translation protein, beta-barrel domain superfamily	Homologous Superfamily
M [auth S], N [auth T]	IPR044127	Initiation factor eIF2 gamma, domain 2	Domain
M [auth S], N [auth T]	IPR027417	P-loop containing nucleoside triphosphate hydrolase	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
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

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
E, F	Pharos: Q9UI10	leukoencephalopathy with vanishing white matter leukodystrophy Adenocarcinoma of Lung lung adenocarcinoma ovarian cancer lung cancer ovarioleukodystrophy Crohn disease osteosarcoma
I, J	Pharos: Q9NR50	leukoencephalopathy with vanishing white matter leukodystrophy Ataxias, Hereditary ovarioleukodystrophy
K [auth L], L [auth M]	Pharos: P05198	osteosarcoma status epilepticus Alzheimer disease Cognition Disorders ovarian cancer lung cancer psoriasis gastric cancer hepatocellular carcinoma malignant pancreatic neoplasm plasma cell myeloma schizophrenia breast cancer exocrine pancreatic carcinoma gastric carcinoma osteosarcoma status epilepticus Alzheimer disease Cognition Disorders ovarian cancer lung cancer psoriasis gastric cancer hepatocellular carcinoma malignant pancreatic neoplasm plasma cell myeloma schizophrenia breast cancer exocrine pancreatic carcinoma gastric carcinoma IgA glomerulonephritis
M [auth S], N [auth T]	Pharos: P41091	MEHMO syndrome intellectual disability arthrogryposis Epileptic encephalopathy juvenile dermatomyositis microcephaly osteosarcoma Duchenne muscular dystrophy facioscapulohumeral muscular dystrophy medulloblastoma myopathy ovarian cancer epilepsy obesity disorder
C, D	Pharos: P49770	leukoencephalopathy with vanishing white matter leukodystrophy Ataxias, Hereditary heart disease ovarioleukodystrophy
G, H	Pharos: Q14232	leukoencephalopathy with vanishing white matter leukodystrophy Adenocarcinoma of Lung ovarian cancer glioblastoma lung adenocarcinoma ovarioleukodystrophy lung cancer