ID   1.8.4.13
DE   L-methionine (S)-S-oxide reductase.
AN   Acetylmethionine sulfoxide reductase.
AN   Free-methionine (S)-S-oxide reductase.
AN   FSMsr.
AN   Methionine sulfoxide reductase.
AN   Methionine-S-oxide reductase.
AN   Methyl sulfoxide reductase I and II.
CA   L-methionine + thioredoxin disulfide + H(2)O = L-methionine (S)-S-oxide +
CA   thioredoxin.
CF   NADPH.
CC   -!- The reaction occurs in the opposite direction to that given above.
CC   -!- Dithiothreitol can replace reduced thioredoxin.
CC   -!- L-methionine (R)-S-oxide is not a substrate (see EC 1.8.4.14).
CC   -!- Formerly EC 1.8.4.5.
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