FIGURE 4.

Current and fluorescence responses recorded from TMRM-labeled α1 β2 γ2-I195C GABA_ARs. A, current and fluorescence traces recorded in response to the indicated concentrations of GABA and β-alanine. B, comparison of ΔI_max (black) and ΔF_max (red) responses for GABA, β-alanine, and gabazine. **, p < 0.01 relative to corresponding GABA value by unpaired t test. C and D, sample current and fluorescence traces recorded in response to the indicated concentrations of GABA, diazepam (diaz), and DMCM. Error bars, ± S.E.