>tr|E6BEU2|E6BEU2_ECOLX Peptide methionine sulfoxide reductase MsrB OS=Escherichia coli MS 85-1 GN=msrB MANKPSAEELKKNLSEMQFYVTQNHGTEPPFTGRLLHNKRDGVYHCLICDAPLFHSQTKY DSGCGWPSFYEPVSEESIRYIKDLSHGMQRIEIRCGNCDAHLGHVFPDGPQPTGERYCVN SASLRFTDGENGEEING