Reviewed, UniProtKB/Swiss-Prot A2SBI6 (MSRB_BURM9)

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:	BMA10229_A3373

Organism

Burkholderia mallei (strain NCTC 10229) [Complete proteome] [HAMAP]

Taxonomic identifier

412022 [NCBI]

Taxonomic lineage

Bacteria › Proteobacteria › Betaproteobacteria › Burkholderiales › Burkholderiaceae › Burkholderia › pseudomallei group

Protein attributes

Sequence length	143 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 – 143	143	Peptide methionine sulfoxide reductase msrB HAMAP MF_01400		PRO_1000145357
Sites
	Active site	128	1	Nucleophile By similarity
	Metal binding	55	1	Zinc By similarity
	Metal binding	58	1	Zinc By similarity
	Metal binding	104	1	Zinc By similarity
	Metal binding	107	1	Zinc By similarity

Sequences

	Sequence		Length	Mass (Da)
	A2SBI6-1 [UniParc]. Last modified March 6, 2007. Version 1. Checksum: F964BD77806AE7C2	FASTA	143	16,171
	10 20 30 40 50 60 MSGDRDDPRY PYPKDDAELR RRLTPMQYEV TQHAATEPPF TGEYTDTEDA GIYHCVVCGT 70 80 90 100 110 120 ALFESGAKFH SGCGWPSYFK PIDGEVIDEK MDYTHGMTRV EVRCNQCGAH LGHVFEDGPR 130 140 DKTGLRYCIN SAALNFEAKP ERK

References

[1]	DeShazer D., Woods D.E., Nierman W.C. Submitted (JAN-2007) to the EMBL/GenBank/DDBJ databases Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].

Cross-references

Sequence databases
EMBL GenBank DDBJ	CP000546 Genomic DNA. Translation: ABN02329.1.
RefSeq	YP_001029305.1.
3D structure databases
SMR	A2SBI6. Positions 10-140.
ModBase	Search...
Genome annotation databases
GeneID	4791665.
GenomeReviews	Gene locus BMA10229_A3373 in contig CP000546_GR.
KEGG	bml:BMA10229_A3373.
TIGR	BMA10229_A3373.
Phylogenomic databases
HOGENOM	HBG715255.
OMA	MSGFNLL.
PhylomeDB	A2SBI6.
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_BURM9

Accession

Primary (citable) accession number: A2SBI6

Entry history

Integrated into UniProtKB/Swiss-Prot:	April 14, 2009
Last sequence update:	March 6, 2007
Last modified:	February 9, 2010
This is version 21 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)