Q5HQW4 (TRXB_STAEQ) Reviewed, UniProtKB/Swiss-Prot

Names and origin

Protein names

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

Gene names

Name:	trxB
Ordered Locus Names:	SERP0432

Organism

Staphylococcus epidermidis (strain ATCC 35984 / RP62A) [Complete proteome] [HAMAP]

Taxonomic identifier

176279 [NCBI]

Taxonomic lineage

Bacteria › Firmicutes › Bacillales › Staphylococcus

Protein attributes

Sequence length	310 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	removal of superoxide radicals Inferred from electronic annotation. Source: InterPro
Cellular component	cytoplasm Inferred from electronic annotation. Source: UniProtKB-SubCell
Molecular function	flavin adenine dinucleotide 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 – 310	310	Thioredoxin reductase		PRO_0000166751
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)
	Q5HQW4 [UniParc]. Last modified February 15, 2005. Version 1. Checksum: D5D6853667137D8B	FASTA	310	33,544
	10 20 30 40 50 60 MTEVDFDVAI IGAGPAGMTA AVYASRANLK TVMIERGMPG GQMANTEEVE NFPGFEMITG 70 80 90 100 110 120 PDLSTKMFEH AKKFGAEYQY GDIKSVEDKG DYKVINLGNK EITAHAVIIS TGAEYKKIGV 130 140 150 160 170 180 PGEQELGGRG VSYCAVCDGA FFKNKRLFVI GGGDSAVEEG TFLTKFADKV TIVHRRDELR 190 200 210 220 230 240 AQNILQERAF KNDKVDFIWS HTLKTINEKD GKVGSVTLES TKDGAEQTYD ADGVFIYIGM 250 260 270 280 290 300 KPLTAPFKNL GITNDAGYIV TQDDMSTKVR GIFAAGDVRD KGLRQIVTAT GDGSIAAQSA 310 ADYITELKDN

References

[1]

"Insights on evolution of virulence and resistance from the complete genome analysis of an early methicillin-resistant Staphylococcus aureus strain and a biofilm-producing methicillin-resistant Staphylococcus epidermidis strain." Gill S.R., Fouts D.E., Archer G.L., Mongodin E.F., DeBoy R.T., Ravel J., Paulsen I.T., Kolonay J.F., Brinkac L.M., Beanan M.J., Dodson R.J., Daugherty S.C., Madupu R., Angiuoli S.V., Durkin A.S., Haft D.H., Vamathevan J.J., Khouri H. , Utterback T.R., Lee C., Dimitrov G., Jiang L., Qin H., Weidman J., Tran K., Kang K.H., Hance I.R., Nelson K.E., Fraser C.M. J. Bacteriol. 187:2426-2438(2005) [PubMed: 15774886] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: ATCC 35984 / RP62A.

Cross-references

Sequence databases
EMBL GenBank DDBJ	CP000029 Genomic DNA. Translation: AAW53854.1.
RefSeq	YP_188025.1. NC_002976.3.
3D structure databases
ProteinModelPortal	Q5HQW4.
ModBase	Search...
Protein-protein interaction databases
STRING	Q5HQW4.
Protocols and materials databases
StructuralBiologyKnowledgebase	Search...
Genome annotation databases
EnsemblBacteria	EBSTAT00000042241; EBSTAP00000040784; EBSTAG00000042239.
GeneID	3241081.
GenomeReviews	Gene locus SERP0432 in contig CP000029_GR.
KEGG	ser:SERP0432.
PATRIC	19611729. VBIStaEpi130894_0411.
TIGR	SERP0432.
Phylogenomic databases
eggNOG	COG0492.
GeneTree	EBGT00050000023768.
HOGENOM	HBG669726.
OMA	GEEREFP.
PhylomeDB	Q5HQW4.
ProtClustDB	CLSK873649.
Enzyme and pathway databases
BioCyc	SEPI176279:SERP0432-MONOMER.
Family and domain databases
InterPro	IPR013027. FAD_pyr_nucl-diS_OxRdtase. IPR008255. Pyr_nucl-diS_OxRdtase_2_AS. IPR023753. Pyr_nucl-diS_OxRdtase_FAD/NAD. IPR001327. Pyr_OxRdtase_NAD-bd_dom. IPR000103. Pyridine_nuc-diS_OxRdtase_2. IPR005982. Thioredox_Rdtase. [Graphical view]
KO	K00384.
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_STAEQ

Accession

Primary (citable) accession number: Q5HQW4

Entry history

Integrated into UniProtKB/Swiss-Prot:	December 20, 2005
Last sequence update:	February 15, 2005
Last modified:	January 25, 2012
This is version 51 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation program

Prokaryotic Protein Annotation Program