《英文msh词典》GMP,Cyclic
[入口词] GMP,Cyclic
[主题词] Cyclic GMP
[英文释义] Guanosine cyclic 3',5'-(hydrogen phosphate). A guanine nucleotide containing one phosphate group which is esterified to the sugar moiety in both the 3'- and 5'-positions. It is a cellular regulatory agent and has been described as a second messenger. Its levels increase in response to a variety of hormones,including acetylcholine,insulin,and oxytocin and it has been found to activate specific protein kinases. (From Merck Index,11th ed)