Table 1.

Modulation of K_1/2 values by Ca²⁺/calmodulin

	Experiment no.	Values of K1/2(μm)1-a
		−80 mV			+80 mV
		−CaM	+CaM	ΔK1/2	−CaM	+CaM	ΔK1/2
ccCNGCα	1	42	55	13	28	33	5
	2	42	53	11	15	25	10
	3	38	55	17	17	35	18
ccCNGCαΔ5-6	1	25	55	30	15	33	18
	2	23	40	17	12	28	16
	3	22	55	33	13	32	19
	4	38	50	12	27	33	6

^F1-aValues were determined from at least four cGMP concentrations.