Table 1. Apparent kinetic constants of Le^x-Le^x interaction between SLBs and liposomes^*.

		kon/M−1s−1	koff/s−1	Ka/M−1
without cholesterol	0 mM CaCl2	(0.9 ± 0.2) × 103 (R2 = 0.99)	0.40 ± 0.05 (R2 = 0.98)	0.2 × 104
	0.9 mM CaCl2 + 0.5 mM MgCl2	(1.2 ± 0.5) × 103 (R2 = 0.98)	0.40 ± 0.05 (R2 = 0.99)	0.3 ×104
	10 mM CaCl2	(1.2 ± 0.4) × 103 (R2 = 0.97)	(44 ± 5) · 10−3 (R2 = 0.98)	2.7 × 104
2 wt% cholesterol	0 mM CaCl2	(0. 9 ± 0.3) ×103 (R2 = 0.98)	0.15 ± 0.02 (R2 = 0.95)	0.6 × 104
	0.9 mM CaCl2 + 0.5 mM MgCl2	(3.0 ± 0.9) × 103 (R2 = 0.99)	0.11 ± 0.01 (R2 = 0.97)	2.7 × 104
	10 mM CaCl2	(3.2 ± 1.0) × 103 (R2 = 0.98)	(62 ± 5) · 10−3 (R2 = 0.98)	5.2 × 104

*Kinetic constants are given as the mean and its standard deviation of a triplet of experiments. R²-values for the goodness of fitting are given in parenthesis.