>tr|A0A098B226|A0A098B226_DESHA Arginine repressor OS=Desulfitobacterium hafniense GN=argR MKTRRQMKIQEIINNQVIHTQEELAELLRKAGFDVTQATVSRDIKEMGLIKVPTSEDDYR YAVPGTAQPLSTPDRLKRRLRETVVTVNDSENLVVLRTIPGNAQALASLIDHSNWEEVIG TVAGDDTILLVVKPAGAVPSVRERIAKLMQ