Figure 1.

Multi-TRP channel activity of excised inside-out rhabdomeral membrane patches depends on the light condition previous to excision. A, The high activity of the channels observed under illumination ceased after turning off the light and stayed off after excision (arrow), and was restored by a subsequent application of 5 μm DAG (n = 5). B, The channels were open in the attached patch under illumination and the activity did not diminish after excision (n = 5).