>tr|E8PRR3|E8PRR3_9BACT Mercuric resistance operon regulatory protein OS=uncultured bacterium OX=77133 GN=merR PE=4 SV=1 MENNLENLTIGVFARTAGVNVETIRFYQRKGLLPEPDKPYGSIRRYGETDVTRVRFVKSA QRLGFSLDEIAELLRLEDGTHCEEASSLAEHKLKDVRERMADLARMEAVLSDLVCACHAR KGNVSCPLIASLQGKKEPRSADAV