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. Author manuscript; available in PMC: 2012 Nov 5.
Published in final edited form as: Physiol Rev. 2012 Jul;92(3):1189–1234. doi: 10.1152/physrev.00015.2011

FIGURE 2.

FIGURE 2

Patch-clamp recording of a single acetylcholine receptor (AChR) channel activation episode elicited by a low concentration of ACh applied to adult human endplate AChRs expressed in 293 HEK cells (S. M. Sine and N. Mukhtasimova, unpublished data). Channel openings are upward deflections. Membrane potential, −120 mV; Gaussian filter, 20 kHz.