Related Experiment Video
Updated: Jan 31, 2026

Author Spotlight: Evaluating Biophysical Assays for Characterizing PROTACS Ternary Complexes
Published on: January 12, 2024
Solid-phase synthesis for thalidomide-based proteolysis-targeting chimeras (PROTAC)
S Krajcovicova1, R Jorda, D Hendrychova
1Department of Organic Chemistry, Faculty of Science, Palacky University, 17. listopadu 12, 771 46 Olomouc, Czech Republic.
Researchers developed a straightforward method for creating Proteolysis-Targeting Chimeras (PROTACs) using a preloaded resin. This technique rapidly conjugates protein kinase inhibitors, and its effectiveness was confirmed in cellular experiments with an ibrutinib-like molecule.
Area of Science:
- Medicinal Chemistry
- Chemical Biology
- Drug Discovery
Background:
- Proteolysis-Targeting Chimeras (PROTACs) are an emerging therapeutic modality.
- Efficient synthesis of PROTACs is crucial for their development.
- Existing PROTAC synthesis methods can be complex and time-consuming.
Purpose of the Study:
- To develop a simple and fast method for PROTAC formation.
- To demonstrate the versatility of the method by conjugating various protein kinase inhibitors.
- To confirm the biological activity of a synthesized PROTAC conjugate.
Main Methods:
- Utilized a preloaded resin containing a thalidomide moiety and an ethylene-oxy linker.
- Conjugated different protein kinase inhibitors to the resin-bound linker.
- Performed cellular experiments to assess the biological functionality of the resulting PROTACs.
Main Results:
- Successfully synthesized PROTACs using the described method.
- Demonstrated the conjugation of diverse protein kinase inhibitors.
- Confirmed the biological functionality of an ibrutinib-like PROTAC conjugate in cellular assays.
Conclusions:
- The preloaded resin method offers a simple and rapid approach to PROTAC synthesis.
- This method is feasible for creating a range of PROTAC conjugates.
- The synthesized PROTACs exhibit biological activity, supporting their therapeutic potential.
Related Concept Videos
Phase Diagrams
Metallic Solids
All metallic solids exhibit high thermal and electrical conductivity, metallic luster, and malleability....
Structures of Solids
Phase Transitions
Network Covalent Solids
To break or to melt a covalent network solid, covalent bonds must be broken. Because covalent bonds are relatively strong, covalent network solids are typically...
Phase Transitions: Sublimation and Deposition

![Solid-phase Synthesis of [4.4] Spirocyclic Oximes](/_next/image?url=https%3A%2F%2Fcloudfront.jove.com%2FCDNSource%2Fteasers%2F58508.jpg&w=3840&q=50)