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  • Title: Are ions involved in the gating of calcium channels?
    Author: Saimi Y, Kung C.
    Journal: Science; 1982 Oct 08; 218(4568):153-6. PubMed ID: 6289432.
    Abstract:
    The rates of activation and deactivation of the currents carried by calcium, strontium, or barium ions through the voltage-sensitive calcium channel of Paramecium are different. The differences cannot be attributed to complications due to internal ion concentration, calcium channel inactivation, potassium current activation, surface charge effects, or incomplete space clamping. The findings indicate participation of the divalent cations in the voltage-driven calcium channel gating process.
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