	Ca²⁺ titration curves. The apparent Kd for calcium ions binding was found to be 1 μM, which lies within the physiological range of calcium ions concentrations. Image from Souslova et al., 2007.

Ca²⁺ titration curves.

The apparent Kd for calcium ions binding was found to be 1 μM, which lies within the physiological range of calcium ions concentrations. Image from Souslova et al., 2007.

Ca2+ titration curves.

Ca²⁺ titration curves.