Fig. 6. Event histograms of single channel conductances from different types of N2a cell pairs: co-transfected N2aCx26/Cx43-N2aCx26/Cx43 (top left panel); homotypic N2aCx26-N2aCx26 (middle left panel); homotypic N2aCx43-N2aCx43 (bottom left panel); heterotypic N2aCx26/Cx43-N2aCx26 (top right panel) and heterotypic N2aCx26/Cx43-N2aCx43 (lower right panel).