Reaction catalyzed by vitamin-K-epoxide reductase (warfarin-sensitive) (1.17.4.4)

		+		a protein with a disulfide bond	=			+		a protein with reduced L-cysteine residues
	phylloquinol	+		a protein with a disulfide bond	=		phylloquinone	+		a protein with reduced L-cysteine residues