>sp|Q6G9D8|MSRB_STAAS Peptide methionine sulfoxide reductase MsrB OS=Staphylococcus aureus GN=msrB MLKKDKSELTDIEYIVTQENGTEPPFMNEYWNHFAKGIYVDKISGKPLFTSEEKFHSECG WPSFSKALDDDEIIELVDKSFGMLRTEVRSEESNSHLGHVFNDGPKESGGLRYCINSAAI QFIPYEKLEELGYGDLISHFDK