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. 2022 Sep 13;9:947203. doi: 10.3389/fmolb.2022.947203

TABLE 2.

Equilibrium binding affinities of PES for PfHsp70-1/PfHsp70-1NBD and PfHop.

Ligand Analyte KD (µM) χ2
PfHsp70-1 PES 0.0692 ± 0.02 1.70
ATP 0.537 ± 0.07 1.73
PfHop PES 0.707 ± 0.07 7.31
ATP 0.861 ± 0.01 6.90
PfHsp70-1NBD PES 7.39 ± 0.09 9.14
ATP 0.0223 ± 0.03 1.01

K D , equilibrium constant, X2 values indicate the goodness of fit for SPR, sensorgrams. Each parameter is the mean for three independent experiments, each performed in triplicate and standard errors of the mean are indicated.