ARSC_STAXY
ID ARSC_STAXY Reviewed; 131 AA.
AC Q01257;
DT 01-APR-1993, integrated into UniProtKB/Swiss-Prot.
DT 01-APR-1993, sequence version 1.
DT 25-MAY-2022, entry version 93.
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};
OS Staphylococcus xylosus.
OG Plasmid pSX267.
OC Bacteria; Firmicutes; Bacilli; Bacillales; Staphylococcaceae;
OC Staphylococcus.
OX NCBI_TaxID=1288;
RN [1]
RP NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC STRAIN=DSM 20267 / Isolate C2A;
RX PubMed=1534327; DOI=10.1128/jb.174.11.3676-3683.1992;
RA Rosenstein R., Peschel A., Wieland B., Goetz F.;
RT "Expression and regulation of the antimonite, arsenite, and arsenate
RT resistance operon of Staphylococcus xylosus plasmid pSX267.";
RL J. Bacteriol. 174:3676-3683(1992).
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; M80565; AAA27589.1; -; Genomic_DNA.
DR PIR; C41902; C41902.
DR AlphaFoldDB; Q01257; -.
DR SMR; Q01257; -.
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; Plasmid;
KW Redox-active center.
FT CHAIN 1..131
FT /note="Arsenate reductase"
FT /id="PRO_0000162534"
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; 14888 MW; 99C84FA73896D094 CRC64;
MDKKTIYFIC TGNSCRSQMA EGWGREILGE DWNVYSAGIE THGVNPKAIE AMKEVDIDIS
NHTSDLIDNH ILKQSDLVVT LCSDADDNCP ILPPNVKKEH WGLEDPAGKE WSEFQRVRDE
IKLAIENFKL R
