Enabling pseudokinases as potential drug targets.

Pseudokinases play significant roles in disease development. Similar to active kinases, their cellular functions can be targeted pharmacologically. But notably, instead of inhibiting an enzymatic activity, drug-like molecules act by stabilizing distinct pseudokinase conformations, by interfering with protein interactions, or by inducing proteasomal degradation. Herein, we describe our approach of enabling particular pseudokinases as potential drug targets. The method starts with obtaining recombinant proteins for assay development and for biochemical evaluation. The next step is to probe the pseudoactive site as a binding pocket for small molecules, providing initial insight into binding modes and even candidate chemotypes. Finally, structural features of pseudokinase:inhibitor complexes are explored. Taken together, we provide detailed method descriptions for essential inhibitor development technologies.

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