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1.8.4.13: L-methionine (S)-S-oxide reductase

This is an abbreviated version!
For detailed information about L-methionine (S)-S-oxide reductase, go to the full flat file.

Reaction

L-methionine
+
thioredoxin disulfide
+
H2O
=
L-methionine (S)-S-oxide
+
thioredoxin

Synonyms

EC 1.8.4.5, free-methionine-R-sulfoxide reductase, fRMsr, fSMsr, methionine sulfoxide reductase

ECTree

     1 Oxidoreductases
         1.8 Acting on a sulfur group of donors
             1.8.4 With a disulfide as acceptor
                1.8.4.13 L-methionine (S)-S-oxide reductase

Systematic Name

Systematic Name on EC 1.8.4.13 - L-methionine (S)-S-oxide reductase

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SYSTEMATIC NAME
IUBMB Comments
L-methionine:thioredoxin-disulfide S-oxidoreductase
Requires NADPH [2]. The reaction occurs in the opposite direction to that given above. Dithiothreitol can replace reduced thioredoxin. L-Methionine (R)-S-oxide is not a substrate [see EC 1.8.4.14, L-methionine (R)-S-oxide reductase].