>3E0O_1|Chains A, B, C, D, E, F|Peptide methionine sulfoxide reductase msrB|Bacillus subtilis (1423) MMAYNKEEKIKSLNRMQYEVTQNNGTEPPFQNEYWDHKEEGLYVDIVSGKPLFTSKDKFDSQCGWPSFTKPIEEEVEEKLDTSHGMIRTEVRSRTADSHLGHVFNDGPGPNGLRYCINSAALRFVPKHKLKEEGYESYLHLFNK