Annotations: 6YBV

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B [auth r]	SCOP2B Superfamily	eIF2alpha middle domain-like	8042150	3001761	SCOP2B (2022-06-29)
B [auth r]	SCOP2B Superfamily	Nucleic acid-binding proteins	8042151	3000135	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 [auth s]	PF01873	e6ybvs1	A: alpha arrays	X: HTH	H: HTH	T: winged	F: PF01873	ECOD (1.6)
A [auth s]	PF01873	e6ybvs2	A: few secondary structure elements	X: Rubredoxin-like	H: Zinc-binding domain of translation initiation factor 2 beta (From Topology)	T: Zinc-binding domain of translation initiation factor 2 beta	F: PF01873	ECOD (1.6)
B [auth r]	PF00575	e6ybvr2	A: beta barrels	X: OB-fold	H: Nucleic acid-binding proteins (From Topology)	T: Nucleic acid-binding proteins	F: PF00575	ECOD (1.6)
B [auth r]	PF07541	e6ybvr3	A: alpha arrays	X: HhH/H2TH	H: eIF2alpha middle domain (From Topology)	T: eIF2alpha middle domain	F: PF07541	ECOD (1.6)
B [auth r]	PF07541	e6ybvr1	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)
E [auth t]	PF03144	e6ybvt2	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: Alanine racemase-C	F: PF03144	ECOD (1.6)
E [auth t]	PF09173	e6ybvt3	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: Aminomethyltransferase beta-barrel domain	F: PF09173	ECOD (1.6)
E [auth t]	PF00009	e6ybvt1	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)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth s]	PF01873	Domain found in IF2B/IF5 (eIF-5_eIF-2B)	Domain found in IF2B/IF5	-	Family
B [auth r]	PF07541	Eukaryotic translation initiation factor 2 alpha subunit (EIF_2_alpha)	Eukaryotic translation initiation factor 2 alpha subunit	-	Family
B [auth r]	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
E [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
E [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

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth s]	Eukaryotic translation initiation factor 2 subunit 2	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 mRNA binding protein binding translation initiation factor binding cation binding ion binding metal ion 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 RNA binding mRNA binding protein binding translation initiation factor binding cation binding ion binding metal ion binding small molecule binding	developmental process multicellular organismal process gonad development reproductive system development reproductive process sex differentiation animal organ development developmental process involved in reproduction male gonad development male sex differentiation multicellular organism development development of primary male sexual characteristics development of primary sexual characteristics anatomical structure development reproductive structure development developmental process multicellular organismal process gonad development reproductive system development reproductive process sex differentiation animal organ development developmental process involved in reproduction male gonad development male sex differentiation multicellular organism development development of primary male sexual characteristics development of primary sexual characteristics anatomical structure development reproductive structure development system development 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 formation of cytoplasmic translation initiation complex germ cell proliferation cell population proliferation sexual reproduction multicellular organismal reproductive process male germ cell proliferation gamete generation embryo development ending in birth or egg hatching chordate embryonic development embryo development in utero embryonic development	synapse cell junction cellular anatomical entity intracellular anatomical structure cytoplasm cytosol protein-containing complex eukaryotic translation initiation factor 2 complex
B [auth r]	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
C [auth w]	Initiator methionine tRNA	-	-	-
D [auth k]	mRNA	-	-	-
E [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

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth s]	IPR016190	Translation initiation factor IF2/IF5, zinc-binding	Homologous Superfamily
A [auth s]	IPR016189	Translation initiation factor IF2/IF5, N-terminal	Homologous Superfamily
A [auth s]	IPR002735	Translation initiation factor IF2/IF5 domain	Domain
A [auth s]	IPR045196	Translation initiation factor IF2/IF5	Family
B [auth r]	IPR044126	IF2a, S1-like domain	Domain
B [auth r]	IPR024054	Translation initiation factor 2, alpha subunit, middle domain superfamily	Homologous Superfamily
B [auth r]	IPR024055	Translation initiation factor 2, alpha subunit, C-terminal	Homologous Superfamily
B [auth r]	IPR003029	S1 domain	Domain
B [auth r]	IPR012340	Nucleic acid-binding, OB-fold	Homologous Superfamily
B [auth r]	IPR011488	Translation initiation factor 2, alpha subunit	Family
E [auth t]	IPR000795	Translational (tr)-type GTP-binding domain	Domain
E [auth t]	IPR009001	Translation elongation factor EF1A/initiation factor IF2gamma, C-terminal	Homologous Superfamily
E [auth t]	IPR004161	Translation elongation factor EFTu-like, domain 2	Domain
E [auth t]	IPR044128	Initiation factor eIF2 gamma, GTP-binding domain	Domain
E [auth t]	IPR015256	Initiation factor eIF2 gamma, C-terminal	Domain
E [auth t]	IPR009000	Translation protein, beta-barrel domain superfamily	Homologous Superfamily
E [auth t]	IPR044127	Initiation factor eIF2 gamma, domain 2	Domain
E [auth t]	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A [auth s]	Pharos: P20042	breast carcinoma breast cancer cutaneous melanoma lung carcinoma Mammary Neoplasms ovarian carcinoma skin basal cell carcinoma vitiligo estrogen-receptor negative breast cancer malignant mesothelioma ovarian endometrioid adenocarcinoma squamous cell carcinoma colorectal cancer lung adenocarcinoma melanoma breast carcinoma breast cancer cutaneous melanoma lung carcinoma Mammary Neoplasms ovarian carcinoma skin basal cell carcinoma vitiligo estrogen-receptor negative breast cancer malignant mesothelioma ovarian endometrioid adenocarcinoma squamous cell carcinoma colorectal cancer lung adenocarcinoma melanoma prostate carcinoma squamous cell lung carcinoma
B [auth r]	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
E [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

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.