Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated September 2025
Definition
Adenylyl cyclase is an enzyme that converts ATP to cyclic AMP (cAMP) in response to a signal.
Related terms
Cyclic AMP (cAMP): A second messenger important in many biological processes, produced from ATP by the action of adenylyl cyclase.
Protein kinase A: An enzyme that is activated by cAMP and phosphorylates other proteins, altering their activity.
G-proteins: Proteins that bind the guanine nucleotides GDP and GTP and are involved in transmitting signals from different stimuli outside a cell to its interior.