ID   ARSC_STAAB              Reviewed;         131 AA.
AC   Q2YTL3;
DT   05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   20-DEC-2005, sequence version 1.
DT   25-MAY-2022, entry version 97.
DE   RecName: Full=Arsenate reductase {ECO:0000255|HAMAP-Rule:MF_01624};
DE            EC=1.20.4.4 {ECO:0000255|HAMAP-Rule:MF_01624};
GN   Name=arsC {ECO:0000255|HAMAP-Rule:MF_01624}; OrderedLocusNames=SAB1632;
OS   Staphylococcus aureus (strain bovine RF122 / ET3-1).
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Staphylococcaceae;
OC   Staphylococcus.
OX   NCBI_TaxID=273036;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=bovine RF122 / ET3-1;
RX   PubMed=17971880; DOI=10.1371/journal.pone.0001120;
RA   Herron-Olson L., Fitzgerald J.R., Musser J.M., Kapur V.;
RT   "Molecular correlates of host specialization in Staphylococcus aureus.";
RL   PLoS ONE 2:E1120-E1120(2007).
CC   -!- FUNCTION: Catalyzes the reduction of arsenate [As(V)] to arsenite
CC       [As(III)]. {ECO:0000255|HAMAP-Rule:MF_01624}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=[thioredoxin]-dithiol + arsenate + H(+) = [thioredoxin]-
CC         disulfide + arsenite + H2O; Xref=Rhea:RHEA:43848, Rhea:RHEA-
CC         COMP:10698, Rhea:RHEA-COMP:10700, ChEBI:CHEBI:15377,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:29242, ChEBI:CHEBI:29950,
CC         ChEBI:CHEBI:48597, ChEBI:CHEBI:50058; EC=1.20.4.4;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01624};
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_01624}.
CC   -!- SIMILARITY: Belongs to the low molecular weight phosphotyrosine protein
CC       phosphatase family. Thioredoxin-coupled ArsC subfamily.
CC       {ECO:0000255|HAMAP-Rule:MF_01624}.
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DR   EMBL; AJ938182; CAI81321.1; -; Genomic_DNA.
DR   RefSeq; WP_000163238.1; NC_007622.1.
DR   AlphaFoldDB; Q2YTL3; -.
DR   SMR; Q2YTL3; -.
DR   KEGG; sab:SAB1632; -.
DR   HOGENOM; CLU_071415_3_2_9; -.
DR   OMA; DNAKERC; -.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0030612; F:arsenate reductase (thioredoxin) activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0004725; F:protein tyrosine phosphatase activity; IEA:InterPro.
DR   GO; GO:0046685; P:response to arsenic-containing substance; IEA:UniProtKB-KW.
DR   HAMAP; MF_01624; Arsenate_reduct; 1.
DR   InterPro; IPR014064; Arsenate_reductase_ArsC.
DR   InterPro; IPR023485; Ptyr_pPase.
DR   InterPro; IPR036196; Ptyr_pPase_sf.
DR   Pfam; PF01451; LMWPc; 1.
DR   SMART; SM00226; LMWPc; 1.
DR   SUPFAM; SSF52788; SSF52788; 1.
DR   TIGRFAMs; TIGR02691; arsC_pI258_fam; 1.
PE   3: Inferred from homology;
KW   Arsenical resistance; Cytoplasm; Disulfide bond; Oxidoreductase;
KW   Redox-active center.
FT   CHAIN           1..131
FT                   /note="Arsenate reductase"
FT                   /id="PRO_1000069600"
FT   ACT_SITE        10
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01624"
FT   ACT_SITE        82
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01624"
FT   ACT_SITE        89
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01624"
FT   DISULFID        10..82
FT                   /note="Redox-active; alternate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01624"
FT   DISULFID        82..89
FT                   /note="Redox-active; alternate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01624"
SQ   SEQUENCE   131 AA;  14670 MW;  3B2FBB58EBCA70E3 CRC64;
     MTKKTIYFIC TGNSCRSQMA EGWAKQILAE DWNVYSAGIE THGVNPKAIE AMKEVGIDIS
     NHTSDLIDNN IIKNSNLVVT LCSDADVNCP SLPANVKKEH WGFDNPAGKP WSEFQRVRDE
     IKIAIENFKS R