>sp|P0AFX5|RSD_ECO57 Regulator of sigma D OS=Escherichia coli O157:H7 GN=rsd MLNQLDNLTERVRGSNKLVDRWLHVRKHLLVAYYNLVGIKPGKESYMRLNEKALDDFCQS LVDYLSAGHFSIYERILHKLEGNGQLARAAKIWPQLEANTQQIMDYYDSSLETAIDHDNY LEFQQVLSDIGEALEARFVLEDKLILLVLDAARVKHPA