Table 1.

Parameters to determine free Ca²⁺ around a Ca²⁺ channel in the presence of a diffusible chelator

Parameter	Value	Reference
DCa	0.2 μm2/ms	Neher 1986
ICa	0.25 pA	Church and Stanley 1996
EGTA Kd	1.58 × 10−7 M	Naraghi 1997
EGTA Kon	2.7 × 106 M−1 · S−1	Naraghi 1997
BAPTA Kd	1.8 × 10−7 M	Naraghi 1997
BAPTA Kon	4.5 × 108 M−1 · S−1	Naraghi 1997