Reaction catalyzed by 17beta-estradiol 17-dehydrogenase (1.1.1.62)

		+		NADH	=			+		NAD+
	2,5(10)-estradiene-1,4,17-trione	+		NADH	=		17beta-hydroxy-2,5(10)-estradiene-1,4-dione	+		NAD+