6JLZ | pdb_00006jlz

P-eIF2a - eIF2B complex

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Protein Modification Annotation

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
L [auth M]	SCOP2B Superfamily	eIF2alpha middle domain-like	8042148	3001761	SCOP2B (2022-06-29)
L [auth M]	SCOP2B Superfamily	Nucleic acid-binding proteins	8042149	3000135	SCOP2B (2022-06-29)
K [auth L]	SCOP2B Superfamily	Nucleic acid-binding proteins	8042149	3000135	SCOP2B (2022-06-29)
K [auth L]	SCOP2B Superfamily	eIF2alpha middle domain-like	8042148	3001761	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	NagB/RpiA/CoA transferase-like	8100680	3000693	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	NagB/RpiA/CoA transferase-like	8100680	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)
L [auth M]	cNMP_binding	e6jlzM1	A: alpha bundles	X: PriB N-terminal domain-like	H: Aconitase iron-sulfur domain	T: Aconitase iron-sulfur domain	F: cNMP_binding	ECOD (develop294)
K [auth L]	cNMP_binding	e6jlzL1	A: alpha bundles	X: PriB N-terminal domain-like	H: Aconitase iron-sulfur domain	T: Aconitase iron-sulfur domain	F: cNMP_binding	ECOD (develop294)
J	cNMP_binding	e6jlzJ1	A: alpha bundles	X: PriB N-terminal domain-like	H: Aconitase iron-sulfur domain	T: Aconitase iron-sulfur domain	F: cNMP_binding	ECOD (develop294)
I	cNMP_binding	e6jlzI1	A: alpha bundles	X: PriB N-terminal domain-like	H: Aconitase iron-sulfur domain	T: Aconitase iron-sulfur domain	F: cNMP_binding	ECOD (develop294)
H	cNMP_binding	e6jlzH1	A: alpha bundles	X: PriB N-terminal domain-like	H: Aconitase iron-sulfur domain	T: Aconitase iron-sulfur domain	F: cNMP_binding	ECOD (develop294)
G	cNMP_binding	e6jlzG1	A: alpha bundles	X: PriB N-terminal domain-like	H: Aconitase iron-sulfur domain	T: Aconitase iron-sulfur domain	F: cNMP_binding	ECOD (develop294)
F	cNMP_binding	e6jlzF1	A: alpha bundles	X: PriB N-terminal domain-like	H: Aconitase iron-sulfur domain	T: Aconitase iron-sulfur domain	F: cNMP_binding	ECOD (develop294)
E	cNMP_binding	e6jlzE1	A: alpha bundles	X: PriB N-terminal domain-like	H: Aconitase iron-sulfur domain	T: Aconitase iron-sulfur domain	F: cNMP_binding	ECOD (develop294)
D	cNMP_binding	e6jlzD1	A: alpha bundles	X: PriB N-terminal domain-like	H: Aconitase iron-sulfur domain	T: Aconitase iron-sulfur domain	F: cNMP_binding	ECOD (develop294)
C	cNMP_binding	e6jlzC1	A: alpha bundles	X: PriB N-terminal domain-like	H: Aconitase iron-sulfur domain	T: Aconitase iron-sulfur domain	F: cNMP_binding	ECOD (develop294)
B	cNMP_binding	e6jlzB1	A: alpha bundles	X: PriB N-terminal domain-like	H: Aconitase iron-sulfur domain	T: Aconitase iron-sulfur domain	F: cNMP_binding	ECOD (develop294)
A	cNMP_binding	e6jlzA1	A: alpha bundles	X: PriB N-terminal domain-like	H: Aconitase iron-sulfur domain	T: Aconitase iron-sulfur domain	F: cNMP_binding	ECOD (develop294)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
L [auth M]	2.40.50.140	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)	Nucleic acid-binding proteins	CATH (utative)
L [auth M]	1.10.150.190	Mainly Alpha	Orthogonal Bundle	DNA polymerase	domain 1	CATH (utative)
K [auth L]	2.40.50.140	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)	Nucleic acid-binding proteins	CATH (utative)
K [auth L]	1.10.150.190	Mainly Alpha	Orthogonal Bundle	DNA polymerase	domain 1	CATH (utative)
B	1.20.120.1070	Mainly Alpha	Up-down Bundle	Four Helix Bundle (Hemerythrin (Met), subunit A)	Translation initiation factor eIF-2B, N-terminal domain	CATH (utative)
B	3.40.50.10470	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Translation initiation factor eif-2b	CATH (utative)
A	1.20.120.1070	Mainly Alpha	Up-down Bundle	Four Helix Bundle (Hemerythrin (Met), subunit A)	Translation initiation factor eIF-2B, N-terminal domain	CATH (utative)
A	3.40.50.10470	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Translation initiation factor eif-2b	CATH (utative)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
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
I, J	PF00483	Nucleotidyl transferase (NTP_transferase)	Nucleotidyl transferase	-	Family
I, J	PF00132	Bacterial transferase hexapeptide (six repeats) (Hexapep)	Bacterial transferase hexapeptide (six repeats)	-	Repeat
G, H	PF01008	Initiation factor 2 subunit family (IF-2B)	Initiation factor 2 subunit family	-	Family
E, F	PF00483	Nucleotidyl transferase (NTP_transferase)	Nucleotidyl transferase	-	Family
E, F	PF25084	EIF2B subunit epsilon LbH domain (LbH_EIF2B)	EIF2B subunit epsilon LbH domain	-	Repeat
C, D	PF01008	Initiation factor 2 subunit family (IF-2B)	Initiation factor 2 subunit family	-	Family
A, B	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
K [auth L], L [auth M]	Eukaryotic translation initiation factor 2 subunit alpha	translation factor activity translation initiation factor activity ribonucleoprotein complex binding protein-containing complex binding binding ribosome binding RNA binding nucleic acid binding	primary metabolic process translation gene expression protein biosynthetic process macromolecule biosynthetic process biosynthetic process translational initiation metabolic process cellular process protein metabolic process macromolecule metabolic process ribonucleoprotein complex biogenesis protein-RNA complex assembly cellular component organization primary metabolic process translation gene expression protein biosynthetic process macromolecule biosynthetic process 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	intracellular anatomical structure cytoplasmic ribonucleoprotein granule intracellular membraneless organelle ribonucleoprotein granule intracellular organelle cellular anatomical structure organelle membraneless organelle cytoplasm supramolecular complex cytoplasmic stress granule protein-containing complex ribonucleoprotein complex multi-eIF complex intracellular anatomical structure cytoplasmic ribonucleoprotein granule intracellular membraneless organelle ribonucleoprotein granule intracellular organelle cellular anatomical structure organelle membraneless organelle cytoplasm supramolecular complex cytoplasmic stress granule protein-containing complex ribonucleoprotein complex multi-eIF complex cytosol eukaryotic translation initiation factor 2 complex eukaryotic 48S preinitiation complex cytosolic translation preinitiation complex ribosome
I, J	Probable translation initiation factor eIF-2B subunit epsilon	translation factor activity translation initiation factor activity protein binding binding translation initiation factor binding GTPase regulator activity enzyme regulator activity guanyl-nucleotide exchange factor activity nucleoside-triphosphatase regulator activity molecular function regulator activity	primary metabolic process translation gene expression protein biosynthetic process macromolecule biosynthetic process biosynthetic process cytoplasmic translation cytoplasmic translational initiation metabolic process cellular process translational initiation protein metabolic process macromolecule metabolic process	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol protein-containing complex eukaryotic translation initiation factor 2B complex guanyl-nucleotide exchange factor complex intracellular protein-containing complex
G, H	Probable translation initiation factor eIF-2B subunit delta	translation factor activity translation initiation factor activity GTPase regulator activity enzyme regulator activity guanyl-nucleotide exchange factor activity nucleoside-triphosphatase regulator activity molecular function regulator activity	primary metabolic process translation gene expression protein biosynthetic process macromolecule biosynthetic process biosynthetic process cytoplasmic translation cytoplasmic translational initiation metabolic process cellular process translational initiation protein metabolic process macromolecule metabolic process	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol protein-containing complex eukaryotic translation initiation factor 2B complex guanyl-nucleotide exchange factor complex intracellular protein-containing complex
E, F	Probable translation initiation factor eIF-2B subunit gamma	translation factor activity translation initiation factor activity GTPase regulator activity enzyme regulator activity guanyl-nucleotide exchange factor activity nucleoside-triphosphatase regulator activity molecular function regulator activity	primary metabolic process translation gene expression protein biosynthetic process macromolecule biosynthetic process biosynthetic process cytoplasmic translation cytoplasmic translational initiation metabolic process cellular process translational initiation protein metabolic process macromolecule metabolic process	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol protein-containing complex eukaryotic translation initiation factor 2B complex guanyl-nucleotide exchange factor complex intracellular protein-containing complex
C, D	Probable translation initiation factor eIF-2B subunit beta	translation factor activity translation initiation factor activity GTPase regulator activity enzyme regulator activity guanyl-nucleotide exchange factor activity nucleoside-triphosphatase regulator activity molecular function regulator activity	primary metabolic process translation gene expression protein biosynthetic process macromolecule biosynthetic process biosynthetic process translational initiation metabolic process cellular process protein metabolic process macromolecule metabolic process cytoplasmic translation cytoplasmic translational initiation regulation of biosynthetic process primary metabolic process translation gene expression protein biosynthetic process macromolecule biosynthetic process biosynthetic process translational initiation metabolic process cellular process protein metabolic process macromolecule metabolic process cytoplasmic translation cytoplasmic translational initiation regulation of biosynthetic process regulation of biological process regulation of cellular process regulation of protein metabolic process biological regulation regulation of macromolecule metabolic process regulation of primary metabolic process post-transcriptional regulation of gene expression regulation of gene expression regulation of translation regulation of macromolecule biosynthetic process regulation of metabolic process	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol protein-containing complex eukaryotic translation initiation factor 2B complex guanyl-nucleotide exchange factor complex intracellular protein-containing complex
A, B	Translation initiation factor eIF-2B subunit alpha	translation factor activity translation initiation factor activity GTPase regulator activity enzyme regulator activity guanyl-nucleotide exchange factor activity nucleoside-triphosphatase regulator activity molecular function regulator activity	primary metabolic process translation gene expression protein biosynthetic process macromolecule biosynthetic process biosynthetic process translational initiation metabolic process cellular process protein metabolic process macromolecule metabolic process cytoplasmic translation cytoplasmic translational initiation cellular response to stimulus primary metabolic process translation gene expression protein biosynthetic process macromolecule biosynthetic process biosynthetic process translational initiation metabolic process cellular process protein metabolic process macromolecule metabolic process cytoplasmic translation cytoplasmic translational initiation cellular response to stimulus regulation of cellular process response to stimulus signaling negative regulation of signaling negative regulation of intracellular signal transduction negative regulation of biological process regulation of signal transduction intracellular signal transduction negative regulation of cell communication cell communication negative regulation of TORC1 signaling regulation of intracellular signal transduction negative regulation of TOR signaling negative regulation of cellular process signal transduction regulation of TORC1 signaling TOR signaling regulation of biological process regulation of signaling regulation of TOR signaling negative regulation of response to stimulus biological regulation negative regulation of signal transduction regulation of response to stimulus regulation of cell communication TORC1 signaling	cellular anatomical structure intracellular anatomical structure cytoplasm 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
K [auth L], L [auth M]	IPR003029	S1 domain	Domain
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]	IPR012340	Nucleic acid-binding, OB-fold	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]	IPR011488	Translation initiation factor 2, alpha subunit	Family
I, J	IPR044123	Translation initiation factor eIF-2B subunit epsilon, W2 domain	Domain
I, J	IPR016024	Armadillo-type fold	Homologous Superfamily
I, J	IPR056764	EIF2B subunit epsilon/gamma, LbH domain	Domain
I, J	IPR003307	W2 domain	Domain
I, J	IPR035543	Translation initiation factor eIF-2B subunit epsilon, N-terminal	Domain
I, J	IPR011004	Trimeric LpxA-like superfamily	Homologous Superfamily
I, J	IPR005835	Nucleotidyl transferase domain	Domain
I, J	IPR029044	Nucleotide-diphospho-sugar transferases	Homologous Superfamily
I, J	IPR051956	eIF2B Complex Subunit Epsilon	Family
G, H	IPR042529	Initiation factor 2B-like, C-terminal	Homologous Superfamily
G, H	IPR037171	NagB/RpiA transferase-like	Homologous Superfamily
G, H	IPR000649	Initiation factor 2B-related	Family
E, F	IPR051960	Eukaryotic Initiation Factor 2B Subunit Gamma	Family
E, F	IPR005835	Nucleotidyl transferase domain	Domain
E, F	IPR029044	Nucleotide-diphospho-sugar transferases	Homologous Superfamily
E, F	IPR056764	EIF2B subunit epsilon/gamma, LbH domain	Domain
C, D	IPR051855	Eukaryotic initiation factor 2B subunit beta	Family
C, D	IPR042529	Initiation factor 2B-like, C-terminal	Homologous Superfamily
C, D	IPR037171	NagB/RpiA transferase-like	Homologous Superfamily
C, D	IPR000649	Initiation factor 2B-related	Family
C, D	IPR027363	Methylthioribose-1-phosphate isomerase, N-terminal	Homologous Superfamily
A, B	IPR051501	Eukaryotic initiation factor 2B subunits alpha/beta/delta	Family
A, B	IPR042529	Initiation factor 2B-like, C-terminal	Homologous Superfamily
A, B	IPR037171	NagB/RpiA transferase-like	Homologous Superfamily
A, B	IPR042528	Translation initiation factor eIF-2B subunit alpha, N-terminal	Homologous Superfamily
A, B	IPR000649	Initiation factor 2B-related	Family