>4XWJ_1|Chain A|Regulator of sigma D|Escherichia coli (strain K12) (83333) MSYYHHHHHHDYDITSMLNQLDNLTERVRGSNKLVDRWLHVRKHLLVAYYNLVGIKPGKESYMRLNEKALDDFCQSLVDYLSAGHFSIYERILHKLEGNGQLARAAKIWPQLEANTQQIMDYYDSSLETAIDHDNYLEFQQVLSDIGESLEARFVLEDKLILLVLDA >4XWJ_2|Chain B|Phosphocarrier protein HPr|Escherichia coli (strain K12) (83333) MSQQEVTITAPNGLHTRPAAQFVKEAKGFTSEITVTSNGKSASAKSLFKLQTLGLTQGTVVTISAEGEDEQKAVEHLVKLMAELE