Reviewed, UniProtKB/Swiss-Prot A4XVB1 (MSRB_PSEMY)

Names and origin

Protein names

Recommended name:
    Peptide methionine sulfoxide reductase msrB
    EC=1.8.4.12
Alternative name(s):
    Peptide-methionine (R)-S-oxide reductase

Gene names

Name:	msrB
Ordered Locus Names:	Pmen_2521

Organism

Pseudomonas mendocina (strain ymp) [Complete proteome] [HAMAP]

Taxonomic identifier

399739 [NCBI]

Taxonomic lineage

Bacteria › Proteobacteria › Gammaproteobacteria › Pseudomonadales › Pseudomonadaceae › Pseudomonas

Protein attributes

Sequence length	131 AA.
Sequence status	Complete.
Sequence processing	The displayed sequence is not processed.
Protein existence	Inferred from homology.

General annotation (Comments)

Catalytic activity	Peptide-L-methionine + thioredoxin disulfide + H2O = peptide-L-methionine (R)-S-oxide + thioredoxin. HAMAP MF_01400
Cofactor	Binds 1 zinc ion per subunit. The zinc ion is important for the structural integrity of the protein By similarity.
Sequence similarities	Belongs to the msrB Met sulfoxide reductase family.

Ontologies

Keywords
Ligand	Metal-binding Zinc
Molecular function	Oxidoreductase
Technical term	Complete proteome
Gene Ontology (GO)
Biological process	oxidation reduction Inferred from electronic annotation. Source: UniProtKB-KW
Molecular function	peptide-methionine (R)-S-oxide reductase activity Inferred from electronic annotation. Source: EC peptide-methionine-(S)-S-oxide reductase activity Inferred from electronic annotation. Source: HAMAP zinc ion binding Inferred from electronic annotation. Source: UniProtKB-KW
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Chain	1 – 131	131	Peptide methionine sulfoxide reductase msrB HAMAP MF_01400		PRO_1000068286
Sites
	Active site	119	1	Nucleophile By similarity
	Metal binding	47	1	Zinc By similarity
	Metal binding	50	1	Zinc By similarity
	Metal binding	96	1	Zinc By similarity
	Metal binding	99	1	Zinc By similarity

Sequences

	Sequence		Length	Mass (Da)
	A4XVB1-1 [UniParc]. Last modified May 29, 2007. Version 1. Checksum: 2DAA0C9BA507E0C2	FASTA	131	14,711
	10 20 30 40 50 60 MDKVDKSLDT WREELTDEQF HVCRLGGTER PFTGAYHDSK TPGIYHCACC GEALFDSDAK 70 80 90 100 110 120 YDSGSGWPSY FQPINDEVIA SLDDYSHGMH RIEVKCAKCD AHLGHVFPDG PRPTGLRYCI 130 NSLSLKLVPR D

References

[1]

"Complete sequence of Pseudomonas mendocina ymp." Copeland A., Lucas S., Lapidus A., Barry K., Glavina del Rio T., Dalin E., Tice H., Pitluck S., Kiss H., Brettin T., Detter J.C., Bruce D., Han C., Schmutz J., Larimer F., Land M., Hauser L., Kyrpides N. , Mikhailova N., Hersman L., Dubois J., Maurice P., Richardson P. Submitted (APR-2007) to the EMBL/GenBank/DDBJ databases Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].

Cross-references

Sequence databases
EMBLGenBankDDBJ	CP000680 Genomic DNA. Translation: ABP85277.1.
RefSeq	YP_001188009.1.
3D structure databases
ModBase	Search...
Genome annotation databases
GeneID	5107988.
GenomeReviews	Gene locus Pmen_2521 in contig CP000680_GR.
KEGG	pmy:Pmen_2521.
Organism-specific databases
CMR	Search...
Phylogenomic databases
OMA	A4XVB1. FTGRYWD.
Family and domain databases
HAMAP	MF_01400. [Tree]
InterPro	IPR002579. Methionine_sulphoxide_MsrB. [Graphical view]
Pfam	PF01641. SelR. 1 hit. [Graphical view]
ProDom	PD004057. DUF25. 1 hit. [Graphical view] [Entries sharing at least one domain]
TIGRFAMs	TIGR00357. MsrB. 1 hit.
ProtoNet	Search...

Entry information

Entry name

MSRB_PSEMY

Accession

Primary (citable) accession number: A4XVB1

Entry history

Integrated into UniProtKB/Swiss-Prot:	February 5, 2008
Last sequence update:	May 29, 2007
Last modified:	June 16, 2009
This is version 14 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation project

HAMAP (High-quality Automated and Manual Annotation of microbial Proteomes)