>sp|B4RUW0|MSRB_ALTMD Peptide methionine sulfoxide reductase MsrB OS=Alteromonas mediterranea GN=msrB MSTDKKQDESIAEKDWKVELSEQEYYVCREAGTERPFTGVLLDEQRDGLYVCKCCEAPLF PSDTKFDAGCGWPSFYKQLDDGNVDYREDVSHGMRRVEIFCKQCGSHLGHVFPDGPAPTG QRYCVNSLSMTFKGEDNVEVKG