Annotations: 4AF1

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d4af1a2	Alpha and beta proteins (a/b)	Ribonuclease H-like motif	Translational machinery components	automated matches	automated matches	(Halobacterium salinarum R1 ) [TaxId: 478009 ],	SCOPe (2.08)
A	d4af1a3	Alpha and beta proteins (a+b)	Bacillus chorismate mutase-like	L30e-like	automated matches	automated matches	(Halobacterium salinarum R1 ) [TaxId: 478009 ],	SCOPe (2.08)
A	d4af1a1	Alpha and beta proteins (a+b)	N-terminal domain of eukaryotic peptide chain release factor subunit 1, ERF1	N-terminal domain of eukaryotic peptide chain release factor subunit 1, ERF1	automated matches	automated matches	(Halobacterium salinarum R1 ) [TaxId: 478009 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	eRF1_3	e4af1A2	A: a+b three layers	X: Bacillus chorismate mutase-like	H: L30e-like (From Topology)	T: L30e-like	F: eRF1_3	ECOD (1.6)
A	eRF1_1_1	e4af1A1	A: a+b three layers	X: N-terminal domain of eukaryotic peptide chain release factor subunit 1, ERF1 (From Topology)	H: N-terminal domain of eukaryotic peptide chain release factor subunit 1, ERF1 (From Topology)	T: N-terminal domain of eukaryotic peptide chain release factor subunit 1, ERF1	F: eRF1_1_1	ECOD (1.6)
A	eRF1_2	e4af1A3	A: mixed a+b and a/b	X: Ribonuclease H-like	H: Ribonuclease H-like (From Topology)	T: Ribonuclease H-like	F: eRF1_2	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.420.60	Alpha Beta	2-Layer Sandwich	Nucleotidyltransferase	domain 5	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	PEPTIDE CHAIN RELEASE FACTOR SUBUNIT 1	translation release factor activity, codon specific translation factor activity translation release factor activity translation termination factor activity	-	cellular anatomical structure intracellular anatomical structure cytoplasm

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR004403	Peptide chain release factor eRF1/aRF1	Family
A	IPR005141	eRF1 domain 2	Domain
A	IPR020918	Peptide chain release factor subunit 1	Family
A	IPR005142	eRF1 domain 3	Domain
A	IPR042226	eRF1, domain 2 superfamily	Homologous Superfamily
A	IPR024049	eRF1, domain 1	Homologous Superfamily
A	IPR005140	eRF1/Pelota-like, N-terminal domain	Domain
A	IPR029064	Ribosomal protein eL30-like superfamily	Homologous Superfamily

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.