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. Author manuscript; available in PMC: 2008 Jun 3.
Published in final edited form as: Acta Biomater. 2008 Feb 1;4(3):504–513. doi: 10.1016/j.actbio.2008.01.009

Figure 8.

Figure 8

Force distributions for the Fn/ScpB system as a function of Fn surface coverage. As the surface density of Fn increases, the frequency of an interaction and the rupture force both increase. There is a large jump in the frequency and force from 54 to 100 % Fn coverage, indicating that there is a transition where the binding becomes more favorable. The average rupture forces were 19 pN (8% Fn coverage), 20 pN (20% Fn coverage), 22 pN (54% Fn coverage) and 34 pN (100% Fn coverage), based on calculating the distribution mean. If the peaks in the force distribution are fit to a Gaussian distribution, the first peak is at 14 pN and the second peak is at 29 pN.