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. 2009 Jun 29;185(7):1275–1284. doi: 10.1083/jcb.200810002

Figure 5.

Figure 5.

Lifetimes of FN–trα5β1 bonds. (A–C) Plots of lifetime (mean ± SEM) versus force of trα5β1-Fc–functionalized Petri dish dissociating from FNIII7–10-coated cantilever tips (circles) in Ca2+/Mg2+ (A), Mg2+/EGTA (B), and Mn2+ (C). Data from Fig. 3 (A–C) are replotted in A–C for comparison. The lifetime versus force curves of α5β1-Fc–functionalized Petri dish dissociating from FNIII7–10-coated cantilever tips are shown as triangles, and α5β1-Fc–coated cantilever tips dissociating from GG-7–functionalized Petri dish are shown as squares. (D) Schematic of the molecular arrangement indicating possible dissociation loci between FNIII7–10 and trα5β1-Fc or between trα5β1-Fc and GG-7.