Results from our forum
... operon of Escherichia coli plasmid R773 encodes both the ArsC arsenate reductase that reduces As(V) to As(III), and the ArsAB pump that extrudes arsenite and antimonite. The ArsA ATPase is the catalytic subunit of the pump. ArsA homologues are present in members of every kingdom, including prokaryotes, ...
See entire post