Micromolar free calcium exposes ouabain-binding sites in digitonin-permeabilized Xenopus laevis oocytes.

As demonstrated previously, digitonin-permeabilized Xenopus oocytes have a large internal pool of sodium pumps which are inaccessible to cytosolic ouabain [Schmalzing, Kröner & Passow (1989) Biochem. J. 260, 395-399]. Access to internal ouabain-binding sites required permeabilization of inner me...

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Bibliographic Details
Main Authors: Schmalzing, G, Kröner, S
Format: Artigo
Language:Inglês
Published: 1990
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Research Article
Online Access:https://ncbi.nlm.nih.gov/pmc/articles/PMC1131652/
https://ncbi.nlm.nih.gov/pubmed/2167664
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