>2P7V_1|Chain A|Regulator of sigma D|Escherichia coli (562) MLNQLDNLTERVRGSNKLVDRWLHVRKHLLVAYYNLVGIKPGKESYMRLNEKALDDFCQSLVDYLSAGHFSIYERILHKLEGNGQLARAAKIWPQLEANTQQIMDYYDSSLETAIDHDNYLEFQQVLSDIGEALEARFVLEDKLILLVLDAARVKHPA >2P7V_2|Chain B|RNA polymerase sigma factor rpoD|Escherichia coli (562) DVLAGLTAREAKVLRMRFGIDMNTDYTLEEVGKQFDVTRERIRQIEAKALRKLRHPSRSEVLRSFLDD