7OT4

Crystal structure of MsrA variant C198C206 from Escherichia coli, oxidized

External Resource: Annotation

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

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Peptide methionine sulfoxide reductase	8035562	3001262	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Peptide methionine sulfoxide reductase	8035562	3001262	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	PMSR	e7ot4A1	A: a+b two layers	X: Alpha-beta plaits	H: HMA-related	T: Peptide methionine sulfoxide reductase	F: PMSR	ECOD (1.6)
B	PMSR	e7ot4B1	A: a+b two layers	X: Alpha-beta plaits	H: HMA-related	T: Peptide methionine sulfoxide reductase	F: PMSR	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF01625	Peptide methionine sulfoxide reductase (PMSR)	Peptide methionine sulfoxide reductase	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Peptide methionine sulfoxide reductase MsrA	oxidoreductase activity, acting on a sulfur group of donors oxidoreductase activity oxidoreductase activity, acting on a sulfur group of donors, disulfide as acceptor catalytic activity L-methionine-(S)-S-oxide reductase activity L-methionine:thioredoxin-disulfide S-oxidoreductase activity peptide-methionine (S)-S-oxide reductase activity	response to oxidative stress response to stimulus response to stress organic substance metabolic process organonitrogen compound metabolic process macromolecule modification nitrogen compound metabolic process metabolic process primary metabolic process protein metabolic process macromolecule metabolic process protein modification process protein repair cellular response to stimulus response to oxidative stress response to stimulus response to stress organic substance metabolic process organonitrogen compound metabolic process macromolecule modification nitrogen compound metabolic process metabolic process primary metabolic process protein metabolic process macromolecule metabolic process protein modification process protein repair cellular response to stimulus cellular response to chemical stimulus cellular response to stress response to chemical cellular response to oxidative stress cellular process cellular response to chemical stress	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR002569	Peptide methionine sulphoxide reductase MsrA domain	Domain
A, B	IPR036509	Peptide methionine sulphoxide reductase MsrA superfamily	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.