>sp|P37309|ARSR_ECOLI Arsenical resistance operon repressor OS=Escherichia coli (strain K12) OX=83333 GN=arsR PE=3 SV=1
MSFLLPIQLFKILADETRLGIVLLLSELGELCVCDLCTALDQSQPKISRHLALLRESGLL
LDRKQGKWVHYRLSPHIPAWAAKIIDEAWRCEQEKVQAIVRNLARQNCSGDSKNICS