1.3.1.21	7-dehydrocholesterol reductase	chorionic villus	of healthy persons, heterozygous persons, and Smith-Lemli-Opitz syndrome patients	656818	
2.1.2.10	aminomethyltransferase	chorionic villus	-	485696	
2.4.1.144	beta-1,4-mannosyl-glycoprotein 4-beta-N-acetylglucosaminyltransferase	chorionic villus	-	759591	
2.6.1.13	ornithine aminotransferase	chorionic villus	-	637136	
3.1.6.14	N-acetylglucosamine-6-sulfatase	chorionic villus	in culture	135586	
3.2.1.52	beta-N-acetylhexosaminidase	chorionic villus	-	393690	
3.4.19.12	ubiquitinyl hydrolase 1	chorionic villus	-	666571	
3.4.24.B10	ADAM12 endopeptidase	chorionic villus	-	733623	
5.1.99.4	alpha-methylacyl-CoA racemase	chorionic villus	-	2447	
7.1.1.2	NADH:ubiquinone reductase (H+-translocating)	chorionic villus	-	392697	
7.6.2.3	ABC-type glutathione-S-conjugate transporter	chorionic villus	-	747627, 748696