Figure 4.
GαtG2A rods are less sensitive than normal. A, Representative families of responses from a wild-type rod (top) and a transgenic GαtG2A/Gαt−/− rod. Flashes (10 ms, 500 nm) were delivered at t = 0. B, The flash strengths needed to generate the same relative response amplitudes were higher for the GαtG2A/Gαt−/− rod. Data are from the same cells as in A. Curves are saturating exponential fits.