EOG8B0150 GO:0047057 2/89 vitamin-K-epoxide reductase (warfarin-sensitive) activity molecular_function "Catalysis of the reaction: 2-methyl-3-phytyl-1,4-naphthoquinone + oxidized dithiothreitol + H2O = 2,3-epoxy-2,3-dihydro-2-methyl-3-phytyl-1,4-naphthoquinone + 1,4-dithiothreitol." [EC:1.1.4.1, MetaCyc:1.1.4.1-RXN]