1.7.1.14	Anor, CYP55A1, CYP55A2, CYP55A3, CYP55A4, CYP55A5, CYP55B1, cytochrome P-450nor, cytochrome P450 55B1, cytochrome P450 NADH-NO reductase, cytochrome P450 nitric oxide reductase, cytochrome P450 NO reductase, cytochrome P450nor, Fnor, fungal nitric oxide reductase, NADPH-dependent cytochrome P450nor, NOR, Nor1, Nor1p, P450 nitric oxide reductase, P450nor, Tnor	-	
1.7.1.14	P450norA, P450norB	isoform	
1.7.1.14	Cnor1, Cnor2, Fnor, Tnor	isozyme	
1.7.1.14	P450nor2	isozyme preferring NADPH to NADH	
1.7.1.14	P450nor1	NADPH-specific isozyme