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. 2020 Jun 16;12(12):11263–11276. doi: 10.18632/aging.103416

Table 1. Comparison of binding affinities for different PPIs.

PPI Experiment Kd (nM) EvoEF2 score (EEU)
Interface not repacked Interface repacked
SARS-CoV RBD/hACE2 325.8 [15] -40.73 (2ajfAE) -51.12 (2ajfAE)
185 [21]
SARS-CoV-2 RBD/hACE2 14.7 [15] -49.95 (6m0jAE) -55.67 (6m0jAE)
44.2 [21] -19.84 (6m17BE) -30.50 (6m17BE)
-19.84 (6m17DF) -30.50 (6m17DF)
SARS-CoV-2 chimeric RBD/hACE2 23.2 [21] -53.15 (6vw1AE) -58.81 (6vw1AE)

EEU stands for EvoEF2 energy unit.