Table 1.

Intracellular Ca²⁺ transients recorded in expression experiments in GLT myotubes

Construct	(ΔF/F0)max	1/2V (ΔF/F0)max (mV)	n
rb-α1S	1.73 ± 0.13	2.28 ± 0.75	67
zf-α1S-a	0.84 ± 0.12 *	9.91 ± 1.54 **	15
zf-α1S-b	1.76 ± 0.2 *	4.13 ± 1.4 **	17
rb-α1S ME/TQ	1.93 ± 0.22	1.15 ± 1.4	20
rb-α1S N617D	1.46 ± 0.23	1.92 ± 1.71	12
rb-α1S D296K	1.75 ± 0.3	1.38 ± 1.64	15
RmRR	1.96 ± 0.37	2.15 ± 2.3	5

Robust intracellular Ca²⁺ transients indicate intact EC coupling for all constructs *P < 0.001; **P < 0.01.