Table 1

Activation parameters

Sample	V_½	k	n
	mV
Kv2.1	2.1 ± 4.2	17.4 ± 1.3	7
PKA mutant	2.0 ± 3.1	16.4 ± 1.2	6
ΔC187	−11.2 ± 6.0	15.3 ± 1.5	7
ΔC318	−11.8 ± 2.9^1-a	13.4 ± 1.3	7
Kv2.1 + AP 0′	0.9 ± 3.6	15.4 ± 1.0	7
Kv2.1 + AP 30′	−25.2 ± 3.1^1-b	16.5 ± 2.1	7
ΔC318 + AP 0′	−10.7 ± 4.6	13.0 ± 1.5	8
ΔC318 + AP 30′	−24.4 ± 4.3	14.8 ± 1.0	8

V _½ and k values were analyzed as described in Experimental Procedures. Data were expressed as mean ± S.D.