3.4.21.75	Furin	endocrine pancreas	-	682808	
3.4.21.94	proprotein convertase 2	endocrine pancreas	insulin cells and glucagon cells express PC2, few somatostatin cells contain PC2, is absent from pancreatic polypeptide cells. Colocalization of PC2 with PC1/3, furin and 7B2	682808	
1.2.1.36	retinal dehydrogenase	endocrine pancreas	endocrine islets of Langerhans	668500