A Structural Platform for Molecular Glues and PROTAC Discovery

SPR Fragment Screening & Crystallography Hit Validation with CRBNmidi

A Structural Platform for Molecular Glues and PROTAC Discovery

From Fragment Hits to Degrader Design, a Structure-Guided CRBN Platform

Cereblon (CRBN) is the most widely used E3 ligase in targeted protein degradation and a cornerstone of molecular glue and PROTAC discovery. Yet, unlocking new chemical matter beyond classical IMiDs requires robust structural and biophysical platforms.

In this study, we established a recombinant CRBNmidi platform combining high-quality protein production, SPR fragment screening (>2100 compounds), and X-ray crystallography validation. This integrated workflow enables the identification and structural confirmation of novel binders to the thalidomide-binding domain (TBD), including non-imide scaffolds.

The results? A scalable, structure-enabled discovery engine that delivers validated fragment hits, supports structure-guided optimization, and expands the accessible chemical space for next-generation degraders.

👉 Download the free poster to explore how this platform accelerates molecular glue and PROTAC discovery.

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