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Regulation of vacuolar H+-pyrophosphatase by free calcium


Plant Physiology 100(4): 1706-1715
Regulation of vacuolar H+-pyrophosphatase by free calcium
The H+-translocating inorganic pyrophosphatase (H+-PPase) associated with vesicles of the vacuolar membrane (tonoplast) isolated from beetroot roots is subject to direct inhibition by Ca2+ and other divalent cations. By contrast, the H+-translocating ATPase (H+-ATPase) located on the same membrane is insensitive to Ca2+.


Accession: 002477321



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