Table II.

Parameter values of G-V fittings

Ca2+	0		1.3 µM		10.4 µM		85 µM		200 µM
	V1/2	z	V1/2	z	V1/2	z	V1/2	z	V1/2	z
WT	+163	1.0	+87	1.6	+9	1.6	−34	1.4	−51	1.4
M314H	+151	1.2	+101	1.6	+18	1.3	−31	1.3	−37	1.1
M314K	+165	1.2	+127	1.1	0	0.6	−122	0.5	−135	0.5
M314E	+178	1.2	+105	1.3	+16	1.3	−37	0.9	−35	0.9
M314D	+120	0.9	+105	1.2

V_1/2 expressed in mV. Fittings were from group data with each data point having n ≥ 3. All in pH 7.0.