Number of ligands for each target, excluding or including Kd and IC50 >10 μM, as indicated. The highest affinity of any ligand in each set is also provided. For CatS, these data are provided for all ligands (CatS All), and for only the 19 ligands with associated ligand-protein crystal structures (CatS Xtal). The asterisk denotes that the dataset consists of Kd values for two compounds for the wild type and five mutants of the nonphosphorylated ABL1 protein: ABL1(F317I), ABL1(F317L), ABL1(H396P), ABL1(Q252H), and ABL1(T315I).