Annotations: 4ZGN

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	TetR_N	e4zgnB1	A: alpha bundles	X: Cysteine proteinases-like	H: Cysteine proteinases	T: Cysteine proteinases	F: TetR_N	ECOD (develop294)
A	Bac_luciferase	e4zgnA1	A: alpha bundles	X: HTH	H: HUP domains	T: HUP domains	F: Bac_luciferase	ECOD (develop294)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	2.40.30.10	Mainly Beta	Beta Barrel	Elongation Factor Tu (Ef-tu)	domain 3	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
B	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
A	PF07065	D123 (D123)	D123	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B	Eukaryotic translation initiation factor 2 subunit gamma	RNA binding binding tRNA binding nucleic acid binding methionyl-initiator methionine tRNA binding translation factor activity translation initiation factor activity protein binding translation initiation factor binding guanyl nucleotide binding GTP binding nucleotide binding guanyl ribonucleotide binding purine ribonucleotide binding RNA binding binding tRNA binding nucleic acid binding methionyl-initiator methionine tRNA binding translation factor activity translation initiation factor activity protein binding translation initiation factor 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	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 regulation of cellular process positive regulation of protein metabolic process positive regulation of biological process positive regulation of translation 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 translational fidelity positive regulation of macromolecule metabolic process regulation of biological quality positive regulation of cellular process regulation of biosynthetic process regulation of biological process regulation of protein metabolic process biological regulation regulation of macromolecule metabolic process regulation of gene expression positive regulation of gene expression regulation of translation regulation of macromolecule biosynthetic process regulation of metabolic process regulation of translational fidelity	protein-containing complex cellular anatomical structure intracellular anatomical structure eukaryotic 43S preinitiation complex ribonucleoprotein complex cytosolic translation preinitiation complex cytoplasm multi-eIF complex cytosol eukaryotic translation initiation factor 2 complex eukaryotic 48S preinitiation complex intracellular organelle organelle membraneless organelle protein-containing complex cellular anatomical structure intracellular anatomical structure eukaryotic 43S preinitiation complex ribonucleoprotein complex cytosolic translation preinitiation complex cytoplasm multi-eIF complex cytosol eukaryotic translation initiation factor 2 complex eukaryotic 48S preinitiation complex intracellular organelle organelle membraneless organelle intracellular membraneless organelle ribosome
A	Cell division cycle protein 123	cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding purine nucleotide binding anion binding adenyl nucleotide binding cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding protein folding chaperone	cellular component organization cellular component biogenesis cellular component assembly protein-containing complex organization protein-containing complex assembly cellular process cellular component organization or biogenesis eukaryotic translation initiation factor 2 complex assembly	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B	IPR000795	Translational (tr)-type GTP-binding domain	Domain
B	IPR009001	Translation elongation factor EF1A/initiation factor IF2gamma, C-terminal	Homologous Superfamily
B	IPR004161	Translation elongation factor EFTu-like, domain 2	Domain
B	IPR050543	Eukaryotic Initiation Factor 2 Gamma Subunit	Family
B	IPR044128	Initiation factor eIF2 gamma, GTP-binding domain	Domain
B	IPR015256	Initiation factor eIF2 gamma, C-terminal	Domain
B	IPR009000	Translation protein, beta-barrel domain superfamily	Homologous Superfamily
B	IPR044127	Initiation factor eIF2 gamma, domain 2	Domain
B	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily
A	IPR009772	Cell division cycle protein 123	Family

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.