in sarcoplasmic reticulum vesicles or in the ( ca2+ + mg2+ ) -atpase purified from sarcoplasmic reticulum , quercetin inhibited atp hydrolysis , ca2+ uptake , atp-pi exchange , atp synthesis coupled to ca2+ efflux , atp-adp exchange , and steady state phosphorylation of the atpase by inorganic phosphate .
C1510699
atp hydrolysis
C0001473
atpase