Table 2.

Best parameter sets

Model	α (M−1s−1)	β (s−1)	b	i (s−1)	f	Maximum rate (s−1)	χ2
Five-site A	1.3 × 108	145	1.0	1.5 × 10−3	9.2	100	52
Five-site A∗	4.6 × 107	146	1.0	1.5 × 10−3	21.1	6490	68
Five-site A∗†	5.0 × 107	133	1.0	2.2 × 10−4	31.3	6448	76
Five-site A∗‡	4.2 × 107	148	1.0	5.0 × 10−3	16.7	5899	62
Five-site A§	1.5 × 108	161	1.0	1.4 × 10−4	14.7	100	60
Five-site A∗§	5.4 × 107	141	1.0	2.0 × 10−4	30.7	5369	77
Three-site C¶	2.3 × 107	54				2976	60
Three-site A	1.6 × 107	73	1.0	1.4 × 10−3	168	6453	42
Three-site A∗‖	3.3 × 107	151	1.0	1.2 × 10−3	129	2631	61
Two-site C¶	7.1 × 106	14				3634	40

A, allosteric model; C, conventional model.

^∗With weighted high point.

^†With spontaneous point at 2e⁻⁴.

^‡With spontaneous point at 5e⁻³.

^§With spontaneous point at 50 nM Ca²⁺.

^¶No weighted high point, no spontaneous point.

^‖b not well-defined, selected to be near 1.