MD13

Target: MD13 targets macrophage migration inhibitory factor, commonly abbreviated MIF.

Binding site: Its MIF inhibitor moiety binds the enzymatic pocket of macrophage migration inhibitory factor.

Mechanism of action: MD13 is a cereblon-recruiting MIF PROTAC that connects a macrophage migration inhibitory factor ligand to pomalidomide through an optimized linker. By forming a ternary complex between MIF and CRL4CRBN, MD13 promotes ubiquitination and proteasome-dependent depletion of MIF protein. Reported cellular studies show potent MIF degradation, cell-cycle perturbation, and downstream signaling effects, supporting its use as a chemical biology probe. In targeted degradation research, MD13 enables evaluation of MIF protein dependency, degradation kinetics, pathway modulation, and differences between reversible MIF inhibition and full target removal.

• PROTAC-Mediated Kinase Degradation: MD13 is utilized in research to selectively degrade specific kinases, offering a novel approach to study kinase signaling pathways. By harnessing the ubiquitin-proteasome system, researchers can dissect complex cellular processes and gain insights into kinase-driven diseases.

• Targeted Protein Degradation in Cancer Research: MD13 serves as a powerful tool in oncology studies, enabling the targeted degradation of oncogenic proteins. This application facilitates the exploration of protein function and the development of new therapeutic strategies for cancer treatment.

• PROTAC-Based Neurodegenerative Disease Models: Researchers employ MD13 to degrade misfolded or pathogenic proteins implicated in neurodegenerative disorders. This approach aids in understanding disease mechanisms and identifying potential targets for therapeutic intervention.

• Studying Protein-Protein Interactions: MD13 is applied to investigate protein-protein interactions by selectively degrading one interaction partner, providing insights into cellular networks and signaling cascades. This method is essential for elucidating the roles of specific proteins within complex biological systems.