Table 1. Intracellular solutions.

Number	1	2	3	4	5	6	7	8
Name	K-Gluconate	K-Gluconate + DNDS	K-Gluconate + DNDS + CaCl2	K-Gluconate + picrotoxin	Cs-Fluoride + DIDS	K-Gluconate + DIDS	K-Gluconate no ATP/GTP	K-Fluoride
[K-Gluconate]	135	135	70	135		135	135	135
[Cs-Fluoride]					120
[K-Fluoride]
[NaCl]	8	8		8		8	8	8
[KCl]			45		10
[HEPES]	10	10	10	10	10	10	10	10
[EGTA]	0.2	0.2		0.2	5	0.2	0.2	0.2
[MgATP]	2	2	4	2		2
[NaGTP]	0.3	0.3	0.4	0.3		0.3
[CaCl2]			5
[Phosphocreatine]			5
[DNDS]		0.5	0.5
[DIDS]					1	1
[Picrotoxin]				5

Concentrations in mM