Annotations: 6JLZ

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	NagB/RpiA/CoA transferase-like	8100680	3000693	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	NagB/RpiA/CoA transferase-like	8100680	3000693	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)
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)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	IF-2B_N_1	e6jlzA1	A: alpha bundles	X: Translation initiation factor eIF-2B delta subunit N-terminal helical domain (From Topology)	H: Translation initiation factor eIF-2B delta subunit N-terminal helical domain (From Topology)	T: Translation initiation factor eIF-2B delta subunit N-terminal helical domain	F: IF-2B_N_1	ECOD (1.6)
A	IF-2B_C	e6jlzA2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NagB/RpiA/CoA transferase-like	F: IF-2B_C	ECOD (1.6)
B	IF-2B_N_1	e6jlzB1	A: alpha bundles	X: Translation initiation factor eIF-2B delta subunit N-terminal helical domain (From Topology)	H: Translation initiation factor eIF-2B delta subunit N-terminal helical domain (From Topology)	T: Translation initiation factor eIF-2B delta subunit N-terminal helical domain	F: IF-2B_N_1	ECOD (1.6)
B	IF-2B_C	e6jlzB2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NagB/RpiA/CoA transferase-like	F: IF-2B_C	ECOD (1.6)
D	KOG1465	e6jlzD2	A: alpha bundles	X: Translation initiation factor eIF-2B delta subunit N-terminal helical domain (From Topology)	H: Translation initiation factor eIF-2B delta subunit N-terminal helical domain (From Topology)	T: Translation initiation factor eIF-2B delta subunit N-terminal helical domain	F: KOG1465	ECOD (1.6)
D	IF-2B_C	e6jlzD1	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NagB/RpiA/CoA transferase-like	F: IF-2B_C	ECOD (1.6)
C	KOG1465	e6jlzC2	A: alpha bundles	X: Translation initiation factor eIF-2B delta subunit N-terminal helical domain (From Topology)	H: Translation initiation factor eIF-2B delta subunit N-terminal helical domain (From Topology)	T: Translation initiation factor eIF-2B delta subunit N-terminal helical domain	F: KOG1465	ECOD (1.6)
C	IF-2B_C	e6jlzC1	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NagB/RpiA/CoA transferase-like	F: IF-2B_C	ECOD (1.6)
E	Hexapep_2_1	e6jlzE2	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: Hexapep_2_1	ECOD (1.6)
E	NTP_transferase	e6jlzE1	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: NTP_transferase	ECOD (1.6)
F	Hexapep_2_1	e6jlzF2	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: Hexapep_2_1	ECOD (1.6)
F	NTP_transferase	e6jlzF1	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: NTP_transferase	ECOD (1.6)
H	IF-2B_N_1	e6jlzH1	A: alpha bundles	X: Translation initiation factor eIF-2B delta subunit N-terminal helical domain (From Topology)	H: Translation initiation factor eIF-2B delta subunit N-terminal helical domain (From Topology)	T: Translation initiation factor eIF-2B delta subunit N-terminal helical domain	F: IF-2B_N_1	ECOD (1.6)
H	IF-2B_C	e6jlzH2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NagB/RpiA/CoA transferase-like	F: IF-2B_C	ECOD (1.6)
G	IF-2B_N_1	e6jlzG1	A: alpha bundles	X: Translation initiation factor eIF-2B delta subunit N-terminal helical domain (From Topology)	H: Translation initiation factor eIF-2B delta subunit N-terminal helical domain (From Topology)	T: Translation initiation factor eIF-2B delta subunit N-terminal helical domain	F: IF-2B_N_1	ECOD (1.6)
G	IF-2B_C	e6jlzG2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NagB/RpiA/CoA transferase-like	F: IF-2B_C	ECOD (1.6)
J	Hexapep_2_1	e6jlzJ2	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: Hexapep_2_1	ECOD (1.6)
J	NTP_transferase	e6jlzJ1	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: NTP_transferase	ECOD (1.6)
I	Hexapep_2_1	e6jlzI1	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: Hexapep_2_1	ECOD (1.6)
I	NTP_transferase	e6jlzI2	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: NTP_transferase	ECOD (1.6)
K [auth L]	S1_1	e6jlzL2	A: beta barrels	X: OB-fold	H: Nucleic acid-binding proteins (From Topology)	T: Nucleic acid-binding proteins	F: S1_1	ECOD (1.6)
K [auth L]	EIF_2_alpha_N	e6jlzL1	A: alpha arrays	X: HhH/H2TH	H: eIF2alpha middle domain (From Topology)	T: eIF2alpha middle domain	F: EIF_2_alpha_N	ECOD (1.6)
L [auth M]	S1_1	e6jlzM2	A: beta barrels	X: OB-fold	H: Nucleic acid-binding proteins (From Topology)	T: Nucleic acid-binding proteins	F: S1_1	ECOD (1.6)
L [auth M]	EIF_2_alpha_N	e6jlzM1	A: alpha arrays	X: HhH/H2TH	H: eIF2alpha middle domain (From Topology)	T: eIF2alpha middle domain	F: EIF_2_alpha_N	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
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)
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)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF01008	Initiation factor 2 subunit family (IF-2B)	Initiation factor 2 subunit family	-	Family
C, D	PF01008	Initiation factor 2 subunit family (IF-2B)	Initiation factor 2 subunit family	-	Family
E, F	PF00483	Nucleotidyl transferase (NTP_transferase)	Nucleotidyl transferase	-	Family
G, H	PF01008	Initiation factor 2 subunit family (IF-2B)	Initiation factor 2 subunit family	-	Family
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
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

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 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	biosynthetic process translational initiation metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process translation gene expression macromolecule biosynthetic process cytoplasmic translation cytoplasmic translational initiation cellular response to stimulus regulation of cellular process biosynthetic process translational initiation metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process translation gene expression macromolecule biosynthetic 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
C, D	Probable 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 GTPase regulator activity enzyme regulator activity guanyl-nucleotide exchange factor activity nucleoside-triphosphatase regulator activity molecular function regulator activity	biosynthetic process translational initiation metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process translation gene expression macromolecule biosynthetic process cytoplasmic translation cytoplasmic translational initiation	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol protein-containing complex eukaryotic translation initiation factor 2B complex
E, F	Probable 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	primary metabolic process translation gene expression 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 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	primary metabolic process translation gene expression 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
I, J	Probable 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	primary metabolic process translation gene expression 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
K [auth L], L [auth M]	Eukaryotic translation initiation factor 2 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 ribonucleoprotein complex binding protein-containing complex binding ribosome binding RNA binding	biosynthetic process translational initiation metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process translation gene expression macromolecule biosynthetic process ribonucleoprotein complex biogenesis protein-containing complex organization protein-RNA complex assembly cellular component organization biosynthetic process translational initiation metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process translation gene expression macromolecule biosynthetic process ribonucleoprotein complex biogenesis protein-containing complex organization protein-RNA complex assembly cellular component organization cellular component biogenesis protein-RNA complex organization cellular component assembly protein-containing complex assembly cytoplasmic translation cytoplasmic translational initiation cellular component organization or biogenesis formation of translation preinitiation 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 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 translation preinitiation complex eukaryotic 48S preinitiation complex ribosome

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
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
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
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
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
I, J	IPR044123	Translation initiation factor eIF-2B subunit epsilon, W2 domain	Domain
I, J	IPR016024	Armadillo-type fold	Homologous Superfamily
I, J	IPR003307	W2 domain	Domain
I, J	IPR001451	Hexapeptide repeat	Repeat
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
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