Annotations: 1R5N

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1r5na1	All beta proteins	Reductase/isomerase/elongation factor common domain	Translation proteins	Elongation factors	Eukaryotic peptide chain release factor ERF2, post-G domain	fission yeast (Schizosaccharomyces pombe ) [TaxId: 4896 ],	SCOPe (2.08)
A	d1r5na2	All beta proteins	Elongation factor/aminomethyltransferase common domain	EF-Tu/eEF-1alpha/eIF2-gamma C-terminal domain	EF-Tu/eEF-1alpha/eIF2-gamma C-terminal domain	Eukaryotic peptide chain release factor ERF2, C-terminal domain	fission yeast (Schizosaccharomyces pombe ) [TaxId: 4896 ],	SCOPe (2.08)
A	d1r5na3	Alpha and beta proteins (a/b)	P-loop containing nucleoside triphosphate hydrolases	P-loop containing nucleoside triphosphate hydrolases	G proteins	Eukaryotic peptide chain release factor ERF2, G domain	fission yeast (Schizosaccharomyces pombe ) [TaxId: 4896 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Ras-like P-loop GTPases	8056488	3002022	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	EF-Tu post-G domain-like	8056490	3002024	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	EF-Tu post-G domain-like	8056489	3002024	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	GTP_EFTU_D2_1	e1r5nA5	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: Alanine racemase-C	F: GTP_EFTU_D2_1	ECOD (1.6)
A	GTP_EFTU_D3_1	e1r5nA4	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: Aminomethyltransferase beta-barrel domain	F: GTP_EFTU_D3_1	ECOD (1.6)
A	MnmE_helical_2nd	e1r5nA6	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: MnmE_helical_2nd	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.50.300	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	P-loop containing nucleotide triphosphate hydrolases	CATH (4.3.0)
A	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
A	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
A	PF03143	Elongation factor Tu C-terminal domain (GTP_EFTU_D3)	Elongation factor Tu C-terminal domain	Elongation factor Tu consists of three structural domains, this is the third domain. This domain adopts a beta barrel structure. This the third domain is involved in binding to both charged tRNA [1] and binding to EF-Ts Pfam:PF00889 [2].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Eukaryotic peptide chain release factor GTP-binding subunit	translation regulator activity binding organic cyclic compound binding translation regulator activity, nucleic acid binding translation release factor activity nucleic acid binding translation termination factor activity translation factor activity, RNA binding guanyl nucleotide binding GTP binding nucleotide binding guanyl ribonucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding translation regulator activity binding organic cyclic compound binding translation regulator activity, nucleic acid binding translation release factor activity nucleic acid binding translation termination factor activity translation factor activity, RNA 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	cytoplasmic translational termination cellular biosynthetic process organonitrogen compound biosynthetic process protein-containing complex disassembly cellular component organization organic substance metabolic process organic substance biosynthetic process translational termination cellular component organization or biogenesis protein metabolic process cellular component disassembly organonitrogen compound metabolic process protein-containing complex organization cellular metabolic process cytoplasmic translational termination cellular biosynthetic process organonitrogen compound biosynthetic process protein-containing complex disassembly cellular component organization organic substance metabolic process organic substance biosynthetic process translational termination cellular component organization or biogenesis protein metabolic process cellular component disassembly organonitrogen compound metabolic process protein-containing complex organization cellular metabolic process primary metabolic process translation gene expression macromolecule biosynthetic process biosynthetic process cytoplasmic translation cellular process 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 nucleobase-containing compound metabolic process positive regulation of metabolic process post-transcriptional regulation of gene expression regulation of RNA metabolic process positive regulation of macromolecule metabolic process regulation of nucleobase-containing compound metabolic process regulation of biological quality RNA catabolic process mRNA catabolic process regulation of biological process positive regulation of nucleobase-containing compound metabolic process negative regulation of metabolic process positive regulation of mRNA metabolic process regulation of cellular metabolic process negative regulation of cellular biosynthetic process nucleobase-containing compound catabolic process positive regulation of RNA metabolic process organic cyclic compound metabolic process regulation of gene expression negative regulation of gene expression negative regulation of macromolecule biosynthetic process nucleic acid catabolic process regulation of macromolecule biosynthetic process regulation of metabolic process nuclear-transcribed mRNA catabolic process, deadenylation-dependent decay catabolic process positive regulation of biological process RNA metabolic process mRNA destabilization macromolecule catabolic process regulation of mRNA catabolic process negative regulation of cellular process negative regulation of macromolecule metabolic process regulation of biosynthetic process RNA destabilization nuclear-transcribed mRNA catabolic process biological regulation regulation of macromolecule metabolic process regulation of catabolic process mRNA metabolic process nucleic acid metabolic process organic cyclic compound catabolic process regulation of cellular biosynthetic process positive regulation of catabolic process regulation of mRNA stability positive regulation of mRNA catabolic process negative regulation of biosynthetic process regulation of RNA stability regulation of mRNA metabolic process organic substance catabolic process	protein-containing complex intracellular anatomical structure translation release factor complex cytoplasm cellular anatomical entity cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR003285	Eukaryotic peptide chain release factor GTP-binding subunit	Family
A	IPR000795	Translational (tr)-type GTP-binding domain	Domain
A	IPR009001	Translation elongation factor EF1A/initiation factor IF2gamma, C-terminal	Homologous Superfamily
A	IPR031157	Tr-type G domain, conserved site	Conserved Site
A	IPR009000	Translation protein, beta-barrel domain superfamily	Homologous Superfamily
A	IPR004160	Translation elongation factor EFTu/EF1A, C-terminal	Domain
A	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily

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.