Table 1.

Buffering free cytosolic sodium increases magnitude of the sodium organelle reversal potential to highly negative values

	[Na+]cyt
[Na+]store, mM	10 mM	5 mM	2.5 mM	0.5 mM
5	18	0	−18	−59
10	0	−18	−36	−77
20	−18	−36	−53	−95
50	−41	−59	−77	−118
100	−59	−77	−95	−136

Values are reversal potentials, expressed in mV. [Na⁺]_cyt, cytosolic Na⁺ concentration.