>sp|Q8YXZ4|MSRA1_NOSS1 Peptide methionine sulfoxide reductase MsrA 1 OS=Nostoc sp. GN=msrA1 MELKIGSTEAPMEKATFGAGCFWGVEAAFRKVKGVVSTSVGYMGGHFPNPCYLDVLSRIT GHAEVVQIEYDPQLVSYEDLLAVFWDIHDPTTLNRQGPDKGEQYRSVIFFHNEQQAEAAQ QSKAKVQVSGRFELDIVTEIKHKSEYYLATEEHQQYFEKQAKR