Article
Mutagenesis of a nucleotide-binding site of an anion-translocating ATPase.
The Journal of biological chemistry - 15 May 1990
Karkaria C E, Chen C M, Rosen B P
Abstract excerpt
The ars operon of the conjugative R-factor R773 confers resistance to arsenicals by coding for an anion pump for extrusion of arsenicals from cells of Escherichia coli. The operon encodes three structural genes arsA, arsB, and arsC. The anion pump requires only two polypeptides, the ArsA and ArsB proteins. Purified ArsA protein exhibits oxyanion-stimulated ATPase activity and was demonstrated to bind ATP by...
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