>sp|O52028|ARSD_HALSA Putative arsenical resistance operon repressor ArsD OS=Halobacterium salinarum GN=arsD MTQLTLYEEAMCCSTGVCGPDPDDELVEVSAALDQLENEFDVDVSRANMQHNIEQFLETQ QIADLVEEHGPSILPITVVNDEIVARETYLSYDELASTFEDSPDPQEA