>tr|A0A841HEK7|A0A841HEK7_HALSI Arsenical resistance operon trans-acting repressor ArsD OS=Halobacterium salinarum GN=HNR49_002504 MTQLTLYEEAMCCSTGVCGPDPDDELVEVSAALDQLENEFDVDVSRANMQHNIEQFLETQ QIADLVEEHGPSILPITVVNDEIVARETYLSYDELASTFEDSPDPQEA