Reaction catalyzed by sterol O-acyltransferase (2.3.1.26)

		+			=		CoA	+
	oleoyl-CoA	+		5alpha-cholest-8(14)-en-3beta-ol-15-one	=		CoA	+		oleate ester of 5alpha-cholest-8(14)-en-3beta-ol-15-one