Reaction catalyzed by vitamin-K-epoxide reductase (warfarin-insensitive) (1.17.4.5)

		+			=			+
	2,3-epoxy-2,3-dihydro-2-methyl-3-phytyl-1,4-naphthoquinone	+		1,4-dithiothreitol	=		3-hydroxy-2-methyl-3-phytyl-2,3-dihydronaphthoquinone	+		oxidized dithiothreitol