>sp|P0A748|MSRB_ECO57 Peptide methionine sulfoxide reductase msrB OS=Escherichia coli O157:H7 GN=msrB PE=3 SV=1 MANKPSAEELKKNLSEMQFYVTQNHGTEPPFTGRLLHNKRDGVYHCLICDAPLFHSQTKY DSGCGWPSFYEPVSEESIRYIKDLSHGMQRIEIRCGNCDAHLGHVFPDGPQPTGERYCVN SASLRFTDGENGEEING