>sp|A6U1P3|MSRB_STAA2 Peptide methionine sulfoxide reductase MsrB OS=Staphylococcus aureus GN=msrB MLKKDKSELTDIEYIVTQENGTEPPFMNEYWNHFAKGIYVDKISGKPLFTSEEKFHSECG WPSFSKALDDDEIIELVDKSFGMVRTEVRSEESNSHLGHVFNDGPKESGGLRYCINSAAI QFIPYEKLEELGYGDLISHFDK