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. 2018 Dec 3;150(12):1606–1639. doi: 10.1085/jgp.201812203

Figure 5.

Figure 5.

Early recording of single gap junction channels. (A) Diagram of dual whole-cell patch clamp of chick ventricle cells. (B) Currents recorded by each patch clamp for a junctional voltage of 40 mV. V1 = −40 mV, V2 = −80 mV. Junctional currents are of equal and opposite magnitude in the two clamp current traces; nonjunctional currents are not correlated. Unitary junctional conductances of two sizes are seen (from Veenstra and DeHaan [1986]). Fig. 5 is reprinted with permission from Science.