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EC 1.8.4.14 Details
EC number
1.8.4.14
Accepted name
L-methionine (R)-S-oxide reductase
Reaction
L-methionine + thioredoxin disulfide + H2O = L-methionine (R)-S-oxide + thioredoxin
Other name(s)
fRMsr, FRMsr, free met-R-(o) reductase, free-methionine (R)-S-oxide reductase
Systematic name
L-methionine:thioredoxin-disulfide S-oxidoreductase [L-methionine (R)-S-oxide-forming]
CAS registry number
945954-12-1
Comment
Requires NADPH. Unlike EC 1.8.4.12, peptide-methionine (R)-S-oxide reductase, this enzyme cannot use peptide-bound methionine (R)-S-oxide as a substrate [1]. Differs from EC 1.8.4.13, L-methionine (S)-S-oxide in that L-methionine (S)-S-oxide is not a substrate.
History
created 1984 as EC 1.8.4.5, part transferred 2006 to EC 1.8.4.14
EC Tree
1.1.1.68 created 1965, deleted 1978 [transferred to EC 1.1.99.15, deleted 1980]
1.1.1.70 created 1965, deleted 1978
1.1.1.74 created 1972, deleted 1976
1.1.1.89 created 1972, deleted 1976
1.1.1.109 created 1972, deleted 1976
1.1.1.139 created 1972, deleted 1978
1.1.1.155 created 1976, deleted 2004
1.1.1.171 created 1978, deleted 1984
1.1.1.180 created 1983, deleted 1984
1.1.1.182 created 1983, deleted 1990
1.1.1.204 created 1972 as EC 1.2.1.37, transferred 1984 to EC 1.1.1.204, modified 1989, deleted 2004
1.1.1.242 created 1992, deleted 2001
1.1.1.249 provisional version created 1999, deleted 1999 (reinstated 2001 as EC 2.5.1.46)
1.1.1.253 created 1999, deleted 2003