ID   ARSC_OCEIH              Reviewed;         139 AA.
AC   Q8ENQ5;
DT   10-JAN-2006, integrated into UniProtKB/Swiss-Prot.
DT   01-MAR-2003, sequence version 1.
DT   27-MAR-2024, entry version 121.
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=OB2423;
OS   Oceanobacillus iheyensis (strain DSM 14371 / CIP 107618 / JCM 11309 /
OS   KCTC 3954 / HTE831).
OC   Bacteria; Bacillota; Bacilli; Bacillales; Bacillaceae; Oceanobacillus.
OX   NCBI_TaxID=221109;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 14371 / CIP 107618 / JCM 11309 / KCTC 3954 / HTE831;
RX   PubMed=12235376; DOI=10.1093/nar/gkf526;
RA   Takami H., Takaki Y., Uchiyama I.;
RT   "Genome sequence of Oceanobacillus iheyensis isolated from the Iheya Ridge
RT   and its unexpected adaptive capabilities to extreme environments.";
RL   Nucleic Acids Res. 30:3927-3935(2002).
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; BA000028; BAC14379.1; -; Genomic_DNA.
DR   RefSeq; WP_011066814.1; NC_004193.1.
DR   AlphaFoldDB; Q8ENQ5; -.
DR   SMR; Q8ENQ5; -.
DR   STRING; 221109.gene:10734674; -.
DR   KEGG; oih:OB2423; -.
DR   eggNOG; COG0394; Bacteria.
DR   HOGENOM; CLU_071415_3_2_9; -.
DR   OrthoDB; 9784339at2; -.
DR   PhylomeDB; Q8ENQ5; -.
DR   Proteomes; UP000000822; Chromosome.
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   CDD; cd16345; LMWP_ArsC; 1.
DR   Gene3D; 3.40.50.2300; -; 1.
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   NCBIfam; TIGR02691; arsC_pI258_fam; 1.
DR   PANTHER; PTHR43428; ARSENATE REDUCTASE; 1.
DR   PANTHER; PTHR43428:SF1; ARSENATE REDUCTASE; 1.
DR   Pfam; PF01451; LMWPc; 1.
DR   SMART; SM00226; LMWPc; 1.
DR   SUPFAM; SSF52788; Phosphotyrosine protein phosphatases I; 1.
PE   3: Inferred from homology;
KW   Arsenical resistance; Cytoplasm; Disulfide bond; Oxidoreductase;
KW   Redox-active center; Reference proteome.
FT   CHAIN           1..139
FT                   /note="Arsenate reductase"
FT                   /id="PRO_0000162522"
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   139 AA;  15676 MW;  09F5110ED5E43249 CRC64;
     MSKKIIYFLC TGNSCRSQMA EGWGKKILGE EWDVYSAGIE AHGLNPNAIK AMREVDIDIT
     NQTSDQIDKD ILNKADFVVT LCGDAKDKCP MTPPHVKRDH WGFEDPAKAQ GTEEEKWTVF
     QQVRDKIGDR IKVFAKTGE
//