two directly-acting stimulants of soluble guanylate cyclase , glyceryl trinitrate ( 0.1 microm ) and sodium azide ( 10 microm ) , and a receptor-mediated stimulant of particulate guanylate cyclase , atriopeptin ii ( 10 nm ) , each elevated the cyclic gmp content of primary cultures of pig aortic endothelial cells without affecting the cyclic amp content .
C1097411
soluble guanylate cyclase
C0018358
guanylate cyclase