. 2006 Dec 11;401(Pt 1):353–363. doi: 10.1042/BJ20060918

Table 1. Macroscopic Ca²⁺-binding constants for secretagogin determined by competition with the chromophoric chelator 5N-BAPTA.

The mean values and S.D. are presented.

Number of titrations	[KCl]	log K₁	log K₂	log K₃	log K₄
4	–	8.0±0.3	4.9±0.1	3.0±0.1	5.5±0.3
5	0.15M	7.1±0.4	4.7±0.6	3.6±0.7	4.6±0.6

Table 1. Macroscopic Ca2+-binding constants for secretagogin determined by competition with the chromophoric chelator 5N-BAPTA.