The Company of Biologists

Table 1.

Salines and pipette-filling solutions

Saline	NaCl	ChoCl	KCl	CsCl	CaCl₂	CdCl₂	MgCl₂	BAPTA	Hepes	Glucose
Extracellular saline
Normal	118	-	2.9	-	0.7	-	10	-	10	10
Na⁺-isolating	118	-	-	2.9	-	0.7	10	-	10	10
K⁺-isolating	-	134	2.9	-	-	0.7	10	-	10	10
Pipette-filling solution^{^*}
Normal	-	-	134	-	-	-	4	10	10	-
Na⁺-isolating	-	-	-	130	-	2	4	10	10	-
K⁺-isolating	-	-	124	-	-	2	4	10	10	-

Saline	NaCl	ChoCl	KCl	CsCl	CaCl₂	CdCl₂	MgCl₂	BAPTA	Hepes	Glucose
Extracellular saline
Normal	118	-	2.9	-	0.7	-	10	-	10	10
Na⁺-isolating	118	-	-	2.9	-	0.7	10	-	10	10
K⁺-isolating	-	134	2.9	-	-	0.7	10	-	10	10
Pipette-filling solution^{^*}
Normal	-	-	134	-	-	-	4	10	10	-
Na⁺-isolating	-	-	-	130	-	2	4	10	10	-
K⁺-isolating	-	-	124	-	-	2	4	10	10	-

All values are mmol l^-1.

Na₂ATP (4 mmol l^-1) and LiGTP (0.4 mmol l^-1) were added to all pipette-filling solutions