1.17.4.1	ribonucleoside-diphosphate reductase	bile duct	-	745050	
2.1.1.20	glycine N-methyltransferase	bile duct	high expression in normal tissue, reduced expression in tumorous tissue, some tumor samples show no enzyme expression	688121	
2.1.1.72	site-specific DNA-methyltransferase (adenine-specific)	bile duct	-	719373	
2.3.2.2	gamma-glutamyltransferase	bile duct	80-90% of activity	487917	
2.7.1.154	phosphatidylinositol-4-phosphate 3-kinase	bile duct	moderate expression of PI3K-C2alpha	645046	
2.7.10.2	non-specific protein-tyrosine kinase	bile duct	-	738783	
3.4.11.7	glutamyl aminopeptidase	bile duct	-	663609	
3.4.17.23	angiotensin-converting enzyme 2	bile duct	-	690356	
3.4.21.36	pancreatic elastase	bile duct	-	679292	
5.3.99.5	thromboxane-A synthase	bile duct	low activity	3183	
7.2.2.9	P-type Cu2+ transporter	bile duct	ATP7B is expressed in bile duct epithelial cells, where it may mediate copper secretion into bile fluid	667210