Table 2.

Fitted values ± S.E. of parameters in empirical equations (Equations 11 and 12) to the results obtained at different [Rb⁺] and [ADP]

[ADP]	[Rb+]	aNaO12	aNa3	aNa4	aNa5	KNa12	KNa3	KNa4	KNa5	oNa12	oNa3	oNa4	aNa3/(KNa1 KNa2 KNa3)	KNa1 KNa2 KNa3	aNa3/(oNa3/2)	aNa4/(oNa4/2)
mm	mm	mol Pi/mol enzyme s	mol Pi/mol enzyme s	mol Pi/mol enzyme s	mol Pi/mol enzyme s	mm	mm	mm	mm	mol Rb+/mol enzyme	mol Rb+/mol enzyme	mol Rb+/mol enzyme	(mol Pi/(mol enzyme s))/mm3	mm−3	s−1	s−1
0	0.035	0.19 ± 0.03	3.02 ± 0.55	0.32 ± 0.07	6.6 × 103 ± 8.4 × 104	0.2 ± 0.1	0.9 ± 0.3	1.2 ± 0.3	1.1 × 106 ± 1.4 × 107	0.044 ± 0.001	0.60 ± 0.11	0.004 ± 0.001	132 ± 64	0.02 ± 0.01	10.1 ± 0.2	146 ± 41
0	0.120	0.28 ± 0.03	5.16 ± 0.45	1.76 ± 0.13	1.2 × 104 ± 7.8 × 104	0.3 ± 0.1	1.1 ± 0.2	4.6 ± 0.7	2.5 × 106 ± 1.7 × 107	0.066 ± 0.001	1.03 ± 0.09	0.027 ± 0.004	67 ± 20	0.08 ± 0.02	10.1 ± 0.2	130 ± 20
0	0.245	0.32 ± 0.03	7.17 ± 0.37	3.91 ± 0.26	5.7 × 104 ± 8.3 × 104	0.6 ± 0.1	0.8 ± 0.1	13.7 ± 1.9	1.4 × 107 ± 1.6 × 107	0.091 ± 0.002	1.42 ± 0.07	0.158 ± 0.014	28 ± 5	0.25 ± 0.04	10.1 ± 0.2	50 ± 6
0	0.500	0.25 ± 0.03	7.11 ± 0.42	9.32 ± 0.59	0.5 ± 8.5	1.0 ± 0.4	0.6 ± 0.1	14.2 ± 5.2	8.8 × 102 ± 7.98 × 102	0.165 ± 0.004	1.41 ± 0.08	0.648 ± 0.107	11 ± 3	0.64 ± 0.13	10.1 ± 0.2	29 ± 6
0	1	0.30 ± 0.03	6.20 ± 0.20	12.67 ± 0.17		1.3 ± 0.5	0.4 ± 0.1	15.1 ± 1.5		0.328 ± 0.005	1.23 ± 0.03	0.803 ± 0.017	10 ± 2	0.63 ± 0.11	10.1 ± 0.2	31.5 ± 0.9
0	3	0.16 ± 0.02	8.04 ± 0.28	15.85 ± 0.21		1.3 ± 0.3	0.6 ± 0.1	20.1 ± 2.3		0.883 ± 0.010	1.60 ± 0.04	1.420 ± 0.027	7 ± 1	1.08 ± 0.15	10.1 ± 0.2	22.3 ± 0.6
0	5	0.11 ± 0.03	8.29 ± 0.33	15.57 ± 0.20		1.5 ± 0.6	0.8 ± 0.1	17.2 ± 2.5		1.213 ± 0.010	1.65 ± 0.06	1.409 ± 0.27	5 ± 1	1.79 ± 0.44	10.1 ± 0.2	22.1 ± 0.6
2	0.010	0.07 ± 0.02	0.80 ± 0.42	0.03 ± 0.03	1.4 × 103 ± 4.8 × 104	0.3 ± 0.4	1.0 ± 1.0	0.8 ± 0.5	3.1 × 105 ± 1.0 × 107	0.033 ± 0.002	0.16 ± 0.14		11 ± 12	0.07 ± 0.06	5.8 ± 0.1
2	0.020	0.08 ± 0.03	1.87 ± 1.23			0.4 ± 0.4	1.4 ± 1.5	1.2 ± 1.1		0.040 ± 0.002	0.37 ± 0.42	0.026 ± 0.017	10 ± 7	0.19 ± 0.10	5.8 ± 0.1
2	0.035	0.04 ± 0.02	2.78 ± 0.78	0.02 ± 0.05	5.4 × 104 ± 8.9 × 104	0.3 ± 0.2	2.1 ± 0.9	1.7 ± 0.6	9.0 × 105 ± 1.5 × 107	0.046 ± 0.003	0.55 ± 0.27	0.007 ± 0.002	13 ± 8	0.22 ± 0.10	5.8 ± 0.1	7 ± 14
2	0.060	0.11 ± 0.04	3.22 ± 0.87	0.09 ± 0.21		0.5 ± 0.4	1.5 ± 0.7	4.2 ± 2.3		0.053 ± 0.004	0.64 ± 0.30	0.012 ± 0.055	8 ± 4	0.42 ± 0.15	5.8 ± 0.1	14 ± 39
2	0.120	0.12 ± 0.02	3.17 ± 0.30	1.00 ± 0.18		0.8 ± 0.3	1.2 ± 0.3	9.6 ± 1.7		0.068 ± 0.003	0.63 ± 0.10	0.036 ± 0.009	5 ± 1	0.69 ± 0.16	5.8 ± 0.1	55 ± 18
2	0.245	0.13 ± 0.02	2.67 ± 0.12	2.97 ± 0.15		1.3 ± 0.5	0.7 ± 0.1	30.8 ± 5.6		0.095 ± 0.004	0.53 ± 0.04	0.080 ± 0.028	2.4 ± 0.5	1.12 ± 0.22	5.8 ± 0.1	74 ± 27
2	1	0.12 ± 0.03	1.91 ± 0.12	6.25 ± 0.19		3.0 ± 3.3	0.3 ± 0.2	7.6 ± 1.3		0.322 ± 0.007	0.38 ± 0.04	0.549 ± 0.013	0.8 ± 0.3	2.48 ± 0.99	5.8 ± 0.1	22.8 ± 0.9
2	3	0.06 ± 0.02	2.28 ± 0.10	7.30 ± 0.21		4.5 ± 5.1	0.3 ± 0.2	10.1 ± 1.9		0.888 ± 0.014	0.45 ± 0.03	0.728 ± 0.017	0.4 ± 0.1	5.51 ± 2.00	5.8 ± 0.1	20.1 ± 0.8
2	5	0.03 ± 0.03	2.66 ± 0.09	8.04 ± 0.34		5.1 ± 5.7	0.4 ± 0.3	20.1 ± 4.6		1.189 ± 0.017	0.53 ± 0.02	0.785 ± 0.021	0.3 ± 0.1	9.22 ± 4.06	5.8 ± 0.1	20.5 ± 1.2