Yaakov S. Kupitz

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Extracellular application of adenosine triphosphate (ATP) to defolliculated Xenopus laevis oocytes activated a saturating inward current with a maximal amplitude E(max) of 2.4 +/- 0.2 microamperes and an apparent Michaelis constant of 197.6 micromolar. The current was carried predominantly by sodium ions and potently inhibited by amiloride, guanosine(More)