Regulation of FVIIa activity by soluble PS deploying global fitting and utilizing same parameters used in a two-independent-site model with four fitting parameters
The best fit (Fit #3, ) with n1 = 1, n2 = 1 is shown with solid lines, next best fit with n1 = 2, n2 = 0 (Fit #4, ) is shown with dashed lines, fit with variable n1 and n2 (Fit #9, ) is not shown, since it overlaps with the best fit #3: (A) concentrations of the protein species: free FVIIa (red), FVIIa with a C6PS bound to the first site (green), FVIIa with a C6PS bound to the second site (black), FVIIa with both C6PS sites occupied (blue); (B) FVIIa proteolytic activity; (C) FVIIa intrinsic tryptophan fluorescence intensity; (D) FVIIa amidolytic activity; (E) concentration of bound lipid (ΔP) as determined by equilibrium dialysis.