nah:F5544_19025 K03892 ArsR family transcriptional regulator, arsenate/arsenite/antimonite-responsive transcriptional repressor | (GenBank) metalloregulator ArsR/SmtB family transcription factor nah:F5544_19020 K07755 arsenite methyltransferase [EC:2.1.1.137] | (GenBank) arsM; arsenite methyltransferase nah:F5544_35820 K03741 arsenate reductase (thioredoxin) [EC:1.20.4.4] | (GenBank) heat-shock protein HtpX