1.14.14.154	a 14alpha-formylsteroid + [reduced NADPH-hemoprotein reductase] + O2 = a DELTA14-steroid + formate + [oxidized NADPH-hemoprotein reductase] + H2O	(1c)	-	
1.14.14.154	a 14alpha-hydroxymethylsteroid + [reduced NADPH-hemoprotein reductase] + O2 = a 14alpha-formylsteroid + [oxidized NADPH-hemoprotein reductase] + 2 H2O	(1b)	-	
1.14.14.154	a 14alpha-methylsteroid + 3 [reduced NADPH-hemoprotein reductase] + 3 O2 = a DELTA14-steroid + formate + 3 [oxidized NADPH-hemoprotein reductase] + 4 H2O	active site structure, structure-function relationship	672607	
1.14.14.154	a 14alpha-methylsteroid + 3 [reduced NADPH-hemoprotein reductase] + 3 O2 = a DELTA14-steroid + formate + 3 [oxidized NADPH-hemoprotein reductase] + 4 H2O	heme iron reduction as a rate-limiting step	672195	
1.14.14.154	a 14alpha-methylsteroid + 3 [reduced NADPH-hemoprotein reductase] + 3 O2 = a DELTA14-steroid + formate + 3 [oxidized NADPH-hemoprotein reductase] + 4 H2O	mechanism	-, 285347, 285351, 285355	
1.14.14.154	a 14alpha-methylsteroid + 3 [reduced NADPH-hemoprotein reductase] + 3 O2 = a DELTA14-steroid + formate + 3 [oxidized NADPH-hemoprotein reductase] + 4 H2O	reaction mechanism, phyla-specific residues in CYP51	674700	
1.14.14.154	a 14alpha-methylsteroid + 3 [reduced NADPH-hemoprotein reductase] + 3 O2 = a DELTA14-steroid + formate + 3 [oxidized NADPH-hemoprotein reductase] + 4 H2O	regulation	285353	
1.14.14.154	a 14alpha-methylsteroid + 3 [reduced NADPH-hemoprotein reductase] + 3 O2 = a DELTA14-steroid + formate + 3 [oxidized NADPH-hemoprotein reductase] + 4 H2O	stoichiometry	285351	
1.14.14.154	a 14alpha-methylsteroid + 3 [reduced NADPH-hemoprotein reductase] + 3 O2 = a DELTA14-steroid + formate + 3 [oxidized NADPH-hemoprotein reductase] + 4 H2O	The heme-thiolate enzyme, P-450, catalyses successive hydroxylations of the 14alpha-methyl group and C-15, followed by elimination as formate leaving the 14(15) double bond. This enzyme acts on a range of steroids with a 14alpha-methyl group	-	
1.14.14.154	a 14alpha-methylsteroid + [reduced NADPH-hemoprotein reductase] + O2 = a 14alpha-hydroxymethylsteroid + [oxidized NADPH-hemoprotein reductase] + H2O	(1a)	-