BSJ-4-116

Target: BSJ-4-116 selectively targets cyclin-dependent kinase 12 for proteasomal degradation.

Binding site: Its CDK ligand binds the ATP-binding catalytic pocket of CDK12.

Mechanism of action: BSJ-4-116 is a potent cereblon-recruiting CDK12 PROTAC designed to deplete CDK12 through CRL4CRBN engagement. The molecule links a CDK-recognition ligand to a CRBN ligand, enabling CDK12 ubiquitination and proteasome-mediated degradation. Reported data indicate strong CDK12 degradation activity and downregulation of DNA damage response genes through altered transcription termination and polyadenylation. BSJ-4-116 is useful for studying CDK12-dependent transcriptional control, DNA repair gene regulation, synthetic interactions with PARP inhibition, degradation selectivity across CDK family members, and differences between kinase inhibition and protein depletion.

• PROTAC-Mediated Kinase Degradation: BSJ-4-116 is utilized in the targeted degradation of specific kinases, providing researchers with a powerful tool to dissect kinase signaling pathways. By selectively degrading kinases, this PROTAC facilitates the study of their roles in cellular processes and disease mechanisms.

• Targeted Protein Degradation in Oncology: Employ BSJ-4-116 to explore the degradation of oncogenic proteins, offering insights into cancer biology. This application aids in identifying critical proteins involved in tumor progression, potentially leading to novel therapeutic strategies.

• Ubiquitin-Proteasome System Research: BSJ-4-116 serves as an essential tool for investigating the ubiquitin-proteasome system's role in protein homeostasis. By promoting the degradation of target proteins, researchers can elucidate mechanisms of protein turnover and regulation in various cellular contexts.

• PROTAC-Driven Drug Discovery: Utilize BSJ-4-116 in drug discovery pipelines to evaluate the efficacy of targeted protein degradation strategies. This application supports the identification of new drug targets by demonstrating the impact of protein degradation on cellular phenotypes.