Adenosine monophosphate (AMP) is a purine ribonucleoside 5-monophosphates and a key cellular metabolite in signal transduction and regulation of energy homeostasis.It has a role as an EC 3.1.3.11 (fructose-bisphosphatase) inhibitor, an EC 3.1.3.1 (alkaline phosphatase) inhibitor and an adenosine A1 receptor agonist.