>2L1U_1|Chain A|Methionine-R-sulfoxide reductase B2, mitochondrial|Mus musculus (10090) MADWQKKLTPEQFYVTREKGTEAPFSGMYLNNKETGMYHCVCCDSPLFSSEKKYCSGTGWPSFSEAYGSKGSDESHTGILRRLDTSLGCPRMEVVCKQCEAHLGHVFPDGPKPTGQRFCINSVALKFKPSKPAAALEHHHHHH