kinetic investigations of the ca2+-atpase and mg2+-atpase ( atp phosphohydrolases , ec 3.6.1.3 ) at ph 8.0 gave km and v values of 17.3 mum and 1.25 mumol pi/min per mg , and 2.4 mum and 0.12 mumol pi/min per mg , respectively .
C0001477
mg2
C0001473
atp