ID   1.1.4.2
DE   Vitamin-K-epoxide reductase (warfarin-insensitive).
AN   Vitamin K 2,3-epoxide reductase.
CA   3-hydroxy-2-methyl-3-phytyl-2,3-dihydronaphthoquinone + oxidized
CA   dithiothreitol = 2,3-epoxy-2,3-dihydro-2-methyl-3-phytyl-1,4-
CA   naphthoquinone + 1,4-dithiothreitol.
CC   -!- In the reverse reaction, vitamin K 2,3-epoxide is reduced to
CC       3-hydroxy- (and 2-hydroxy-) vitamin K by 1,4-dithioerythritol, which
CC       is oxidized to a disulfide.
CC   -!- Not inhibited by warfarin (cf. EC 1.1.4.1).
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