Reaction catalyzed by Lanosterol synthase (5.4.99.7)

		=			+			+
	(3S)-2,3-epoxy-2,3-dihydrosqualene	=		lanosterol	+		(13alphaH)-isomalabarica-14(26),17E,21-trien-3beta-ol	+		protosta-16,24-dien-3beta-ol