Reviewed, UniProtKB/Swiss-Prot Q6GB66 (TRXB_STAAS)

Names and origin

Protein names

Recommended name:
    Thioredoxin reductase
      Short name=TRXR
    EC=1.8.1.9

Gene names

Name:	trxB
Ordered Locus Names:	SAS0729

Organism

Staphylococcus aureus (strain MSSA476) [Complete proteome] [HAMAP]

Taxonomic identifier

282459 [NCBI]

Taxonomic lineage

Bacteria › Firmicutes › Bacillales › Staphylococcus

Protein attributes

Sequence length	311 AA.
Sequence status	Complete.
Protein existence	Inferred from homology.

General annotation (Comments)

Catalytic activity	Thioredoxin + NADP+ = thioredoxin disulfide + NADPH.
Cofactor	Binds 1 FAD per subunit By similarity.
Subunit structure	Homodimer By similarity.
Subcellular location	Cytoplasm By similarity.
Miscellaneous	The active site is a redox-active disulfide bond.
Sequence similarities	Belongs to the class-II pyridine nucleotide-disulfide oxidoreductase family.

Ontologies

Keywords
Cellular component	Cytoplasm
Domain	Redox-active center
Ligand	FAD Flavoprotein NADP
Molecular function	Oxidoreductase
PTM	Disulfide bond
Technical term	Complete proteome
Gene Ontology (GO)
Biological process	oxidation reduction Inferred from electronic annotation. Source: UniProtKB-KW removal of superoxide radicals Inferred from electronic annotation. Source: InterPro
Cellular component	cytoplasm Inferred from electronic annotation. Source: UniProtKB-SubCell
Molecular function	FAD binding Inferred from electronic annotation. Source: InterPro thioredoxin-disulfide reductase activity Inferred from electronic annotation. Source: EC
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Chain	1 – 311	311	Thioredoxin reductase		PRO_0000166748
Regions
	Nucleotide binding	35 – 42	8	FAD By similarity
	Nucleotide binding	277 – 286	10	FAD By similarity
Amino acid modifications
	Disulfide bond	134 ↔ 137		Redox-active By similarity

Sequences

	Sequence		Length	Mass (Da)
	Q6GB66-1 [UniParc]. Last modified July 19, 2004. Version 1. Checksum: 1A337DE3736C9265	FASTA	311	33,616
	10 20 30 40 50 60 MTEIDFDIAI IGAGPAGMTA AVYASRANLK TVMIERGIPG GQMANTEEVE NFPGFEMITG 70 80 90 100 110 120 PDLSTKMFEH AKKFGAVYQY GDIKSVEDKG EYKVINFGNK ELTAKAVIIA TGAEYKKIGV 130 140 150 160 170 180 PGEQELGGRG VSYCAVCDGA FFKNKRLFVI GGGDSAVEEG TFLTKFADKV TIVHRRDELR 190 200 210 220 230 240 AQRILQDRAF KNDKIDFIWS HTLKSINEKD GKVGSVTLTS TKDGSEETHE ADGVFIYIGM 250 260 270 280 290 300 KPLTAPFKDL GITNDVGYIV TKDDMTTSVP GIFAAGDVRD KGLRQIVTAT GDGSIAAQSA 310 AEYIEHLNDQ A

References

[1]

"Complete genomes of two clinical Staphylococcus aureus strains: evidence for the rapid evolution of virulence and drug resistance." Holden M.T.G., Feil E.J., Lindsay J.A., Peacock S.J., Day N.P.J., Enright M.C., Foster T.J., Moore C.E., Hurst L., Atkin R., Barron A., Bason N., Bentley S.D., Chillingworth C., Chillingworth T., Churcher C., Clark L., Corton C. , Cronin A., Doggett J., Dowd L., Feltwell T., Hance Z., Harris B., Hauser H., Holroyd S., Jagels K., James K.D., Lennard N., Line A., Mayes R., Moule S., Mungall K., Ormond D., Quail M.A., Rabbinowitsch E., Rutherford K.M., Sanders M., Sharp S., Simmonds M., Stevens K., Whitehead S., Barrell B.G., Spratt B.G., Parkhill J. Proc. Natl. Acad. Sci. U.S.A. 101:9786-9791(2004) [PubMed: 15213324] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].

Cross-references

Sequence databases
EMBL GenBank DDBJ	BX571857 Genomic DNA. Translation: CAG42505.1.
RefSeq	YP_042857.1.
3D structure databases
SMR	Q6GB66. Positions 2-307.
ModBase	Search...
Protein-protein interaction databases
STRING	Q6GB66.
Genome annotation databases
GeneID	2864282.
GenomeReviews	Gene locus SAS0729 in contig BX571857_GR.
KEGG	sas:SAS0729.
Organism-specific databases
CMR	Search...
Phylogenomic databases
eggNOG	COG0492.
HOGENOM	HBG669726.
OMA	TRFANKV.
Enzyme and pathway databases
BioCyc	SAUR282459:SAS0729-MONOMER.
Family and domain databases
InterPro	IPR013027. FAD_pyr_nucl-diS_OxRdtase. IPR008255. Pyr_nucl-diS_OxRdtase_2_AS. IPR001327. Pyr_OxRdtase_NAD_bd. IPR000103. Pyridine_nuc-diS_OxRdtase_2. IPR005982. Thioredox_Rdtase. [Graphical view]
Pfam	PF00070. Pyr_redox. 1 hit. PF07992. Pyr_redox_2. 1 hit. [Graphical view]
PRINTS	PR00368. FADPNR. PR00469. PNDRDTASEII.
TIGRFAMs	TIGR01292. TRX_reduct. 1 hit.
PROSITE	PS00573. PYRIDINE_REDOX_2. 1 hit. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

TRXB_STAAS

Accession

Primary (citable) accession number: Q6GB66

Entry history

Integrated into UniProtKB/Swiss-Prot:	December 20, 2005
Last sequence update:	July 19, 2004
Last modified:	February 9, 2010
This is version 42 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)