Slowly-activating cation channels in the vacuolar membrane of plants.
Among other ion channels and transport proteins, the membrane of plant vacuoles contains a voltage- and calcium-dependent cation channel with activation kinetics in the range of seconds. This SV(= slow vacuolar)-channel has a unit conductance of 60 to 80 pS (in symmetrical 100 mM cation solution) and is strictly inward rectifying. Investigations on the pharmacology of this protein revealed reasonable similarities to calcium-dependent potassium channels of large conductance.
Weiser
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Boehringer Ingelheim KG, ZNS-Pharmakologie, Ingelheim, FRG.
D002412:Cations / Q000378:metabolism; D002478:Cells, Cultured; D007425:Intracellular Membranes / Q000502:physiology*; D007473:Ion Channels / Q000502:physiology*; D008564:Membrane Potentials / Q000502:physiology; D018521:Plant Physiological Phenomena; D014617:Vacuoles / Q000502:physiology*
D002412:Cations; D007473:Ion Channels