Apyrase

**Definition:** A calcium-activated enzyme that catalyzes the hydrolysis of ATP to yield AMP and orthophosphate. It can also act on ADP and other nucleoside triphosphates and diphosphates. EC 3.6.1.5.

**Tree numbers:** - D08.811.277.040.050

**Synonyms:** - ATP Diphosphohydrolase - Adenosine Diphosphatase - ATP-ADPase - ADPase - ATP-Diphosphatase - ADP Phosphohydrolase