Reviewed, UniProtKB/Swiss-Prot Q2SJP9 (MSRB_HAHCH)

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:	HCH_02302

Organism

Hahella chejuensis (strain KCTC 2396) [Complete proteome] [HAMAP]

Taxonomic identifier

349521 [NCBI]

Taxonomic lineage

Bacteria › Proteobacteria › Gammaproteobacteria › Oceanospirillales › Hahellaceae › Hahella

Protein attributes

Sequence length	139 AA.
Sequence status	Complete.
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. HAMAP MF_01400
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 – 139	139	Peptide methionine sulfoxide reductase msrB HAMAP MF_01400		PRO_1000068272
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)
	Q2SJP9-1 [UniParc]. Last modified January 24, 2006. Version 1. Checksum: 84D1FC6D120E04D2	FASTA	139	15,922
	10 20 30 40 50 60 MDKVKKSDQE WRQQLTDEQY RVTRGKGTER PFTGEYYDTK EAGVYVCVCC GEPLFTSENK 70 80 90 100 110 120 YDSGCGWPSF WAPMDKEKIT EEIDMSHMMV RTEILCSKCD AHLGHVFDDG PQPTGQRYCV 130 NSASLRFHSA DGDAKQEDE

References

[1]

"Genomic blueprint of Hahella chejuensis, a marine microbe producing an algicidal agent." Jeong H., Yim J.H., Lee C., Choi S.-H., Park Y.K., Yoon S.H., Hur C.-G., Kang H.-Y., Kim D., Lee H.H., Park K.H., Park S.-H., Park H.-S., Lee H.K., Oh T.K., Kim J.F. Nucleic Acids Res. 33:7066-7073(2005) [PubMed: 16352867] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].

Cross-references

Sequence databases
EMBL GenBank DDBJ	CP000155 Genomic DNA. Translation: ABC29125.1.
RefSeq	YP_433550.1.
3D structure databases
SMR	Q2SJP9. Positions 3-128.
ModBase	Search...
Protein-protein interaction databases
STRING	Q2SJP9.
Genome annotation databases
GeneID	3844065.
GenomeReviews	Gene locus HCH_02302 in contig CP000155_GR.
KEGG	hch:HCH_02302.
NMPDR	fig|349521.5.peg.2068.
Organism-specific databases
CMR	Search...
Phylogenomic databases
eggNOG	COG0229.
HOGENOM	HBG715255.
OMA	AHWADGS.
PhylomeDB	Q2SJP9.
Enzyme and pathway databases
BioCyc	HCHE349521:HCH_02302-MONOMER.
Family and domain databases
HAMAP	MF_01400. MsrB. [Tree]
InterPro	IPR002579. Methionine_sulphoxide_MsrB. IPR011057. Mss4-like. [Graphical view]
Gene3D	G3DSA:2.170.150.20. MsrB. 1 hit.
Pfam	PF01641. SelR. 1 hit. [Graphical view]
TIGRFAMs	TIGR00357. MsrB. 1 hit.
ProtoNet	Search...

Entry information

Entry name

MSRB_HAHCH

Accession

Primary (citable) accession number: Q2SJP9

Entry history

Integrated into UniProtKB/Swiss-Prot:	February 5, 2008
Last sequence update:	January 24, 2006
Last modified:	February 9, 2010
This is version 28 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)