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. 2013 Sep 5;9(9):e1003216. doi: 10.1371/journal.pcbi.1003216

Figure 2. Relationship of off-rate changes upon mutation with change in binding free energy and change in interface hotspot energy.

Figure 2

(A) The relationship between experimental values for Δlog10(koff) and ΔΔG for all the 713 mutations in the SKEMPI off-rate dataset. (B) The relationship between changes in interface hotspot energies, as predicted by RFSpot_KFC2 hotspot predictor, and change in Δlog10(koff) for all the 713 mutations in the SKEMPI off-rate dataset. Note that 50% of off-rate mutants in this dataset involve mutations to non-alanine residues and include multi-point mutants. In turn Int_HS_Energy characterizes these changes with the use of single-point alanine ΔΔGs as highlighted in Figure 1.