*Source: E Coli or Yeast or Baculovirus or Mammalian Cell; *Purity: >90%; *Tag Information: His tagged; *Notes: Repeated freezing and thawing is not recommended. Store working aliquots at 4 degree C for up to one week.; *Seq: MSNITIYHNP ACGTSRNTLE MIRNSGTEPT IIHYLETPPT RDELVKLIAD MGISVRALLR KNVEPYEELG LAEDKFTDDR LIDFMLQHPI LINRPIVVTP LGTRLCRPSE VVLEILPDAQ KGAFSKEDGE KVVDEAGKRL K; *Accession#: NP_417960.1; NC_000913.3; P0AB96; *NCBI Summary: ArsC reduces arsenate to arsenite so it can be extruded through ArsB. [More information is available at EcoGene: EG12237]. Based on sequence similarity with the R773-plasmid encoded arsenite resistance operon, ArsB is a transporter and ArsC is an arsenate reductase . [More information is available at EcoCyc: EG12237].