>tr|A0A9P3ZEX5|A0A9P3ZEX5_9STAP Peptide methionine sulfoxide reductase MsrB OS=Staphylococcus sp. 53017 GN=msrB MLKKDKSELTDIEYIVTQENGTEPPFMNEYWNHFAKGIYVDKISGKPLFTSEEKFHSECG WPSFSKALDDDEIIELVDKSFGMVRTEVRSEESNSHLGHVFNDGPKESGGLRYCINSAAI QFIPYEKLEELGYGDLISHFDK