ATP ulega hydrolizie do ADP i ortofosforanu (Pi) lub AMP i pif o fosfor.! nu (PIP)
ATP+ H.O <. ADP ♦ Pi ♦ H* AG; = -30.5 kJ x mol' ATP+HaO <-> AMP ♦ PPI ♦ H* AO** -45.6 kJ X mol '