cyclic guanosine monophosphate (cgmp) molecule. important second messenger, produced by guanylate cyclase, broken down by

atomic atoms carbon cgmp chemical chemistry composition compound cyclase cyclic drawing flat formula gtp guanosin guanosine guanylate hormone hydrogen icon inhibitor kinase line messenger molecular molecule monophosphate nitrogen nucleotide oxygen pde phosphate phosphodiesterase phosphorus protein second sildenafil skeletal structure tadalafil