Cyclic AMP

**Semantic type:** Nucleic Acid, Nucleoside, or Nucleotide

**Definition:** A second messenger molecule comprised of an adenine ribonucleotide bearing a phosphate group bound to the oxygen molecules at the 3' and 5' positions of the sugar moiety. Cyclic AMP, which is synthesized from ATP by the intracellular enzyme adenylate cyclase, modulates the activity of several hormone-dependent signal transduction pathways.

**Synonyms:** - 3'5'-cyclic ester of AMP - ADENOSINE CYCLIC PHOSPHATE - Adenosine Cyclic 3',5'-(Hydrogen Phosphate) - Adenosine Cyclic 3',5'-(Hydrogen Phosphate) - Adenosine Cyclic 3',5'-Phosphate - Adenosine Cyclic 3':5'-Monophosphate - Cyclic Adenosine Monophosphate - cAMP