Figure 9.
Effects of cysteine mutations at L351 and E363 on proton and voltage sensitivity of CNGA1 channels. (A and B) Macroscopic currents at pHo 8 (left) or 4 (middle) for the L351C (A) or L351C-E363C (B) mutants, and the corresponding G-V curves (right; mean ± SEM; n = 5).