J. Membrane Biol. 173, 264 (2000) The Journal of Membrane Biology © Springer-Verlag New York Inc. 2000 S. Ding, F. Sachs. Ion Permeation and Block of P2X Purinoreceptors: Single Channel Recordings. The Journal of Membrane Biology. 172(3):215–223 (1999) Panels C and D were omitted from Fig. 6, p. 221. The revised figure is printed below: 2+ 2+ 2+ 2+ Fig. 6. Block of single channel currents by divalent ions Mg (A), Ba (B), Mn (C) and Ca (D). The currents were recorded at −120 mV with + + outside-out patches from HEK 293 cells (A and B) with 140 mM external Na and Xenopus oocytes (C and D) with 100 mM external Na . The currents from oocytes were smaller, due to the lower external Na concentration. The channel amplitudes decreased as the concentration of divalent ions increased. Note that the open channel noise is similar in the presence or in the absence of divalent ions.
The Journal of Membrane Biology – Springer Journals
Published: Feb 1, 2000
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