Phosphorylation of sarcoplasmic reticulum ATPase by orthophosphate in the absence of Ca2+ gradient. Contribution of water activity to the enthalpy and the entropy changes.
D000251:Adenosine Triphosphatases / Q000378:metabolism*; D000818:Animals; D002118:Calcium / Q000494:pharmacology*; D007700:Kinetics; D008274:Magnesium / Q000494:pharmacology; D009132:Muscles / Q000201:enzymology; D010710:Phosphates / Q000378:metabolism*; D010766:Phosphorylation; D011817:Rabbits; D012519:Sarcoplasmic Reticulum / Q000201:enzymology*; D013696:Temperature; D013816:Thermodynamics
D010710:Phosphates; D000251:Adenosine Triphosphatases; D008274:Magnesium; D002118:Calcium