Figure 10.
Bimolecular rate constants for Ni2+ block in different ionic conditions, from IIV protocols. Values include data in all concentrations of Ni2+, n = 12 (nominally Ca2+ free), n = 12 (2 mM Ca2+), n = 11 (2 mM Ba2+), n = 5 (110 mM Ca2+, all at 3 mM Ni2+), and n = 4 (110 mM Ba2+, all at 3 mM Ni2+).
