1.14.14.18	heme oxygenase (biliverdin-producing)	cavernous artery	-	685815, 688671	
2.7.11.12	cGMP-dependent protein kinase	cavernous artery	-	693879	
3.1.4.17	3',5'-cyclic-nucleotide phosphodiesterase	cavernous artery	phosphodiesterase 3 is exclusively detected in smooth muscle cells of the wall, no activity in vascular endothelial layer	671011	
3.1.4.35	3',5'-cyclic-GMP phosphodiesterase	cavernous artery	phosphodiesterase 5 is exclusively detected in smooth muscle cells of the wall, no activity in vascular endothelial layer	671011	
3.1.4.53	3',5'-cyclic-AMP phosphodiesterase	cavernous artery	phosphodiesterase 4 is detected in smooth muscle cells of the wall, and in the cytoplasm of luminal endothelial cells of cavernous arteries	671011