KEGG Orthology (KO) [BR:ko00001] 09190 Not Included in Pathway or Brite 09191 Unclassified: metabolism 99980 Enzymes with EC numbers K07305 msrB; peptide-methionine (R)-S-oxide reductase [EC:1.8.4.12] Enzymes [BR:ko01000] 1. Oxidoreductases 1.8 Acting on a sulfur group of donors 1.8.4 With a disulfide as acceptor 1.8.4.12 peptide-methionine (R)-S-oxide reductase K07305 msrB; peptide-methionine (R)-S-oxide reductase [EC:1.8.4.12]