One-Bead-Two-Compound Macrocyclic Library and Methods of Preparation and Use

Tech ID: 17A046

Competitive Advantages

  • Chemo diversity, enhanced conformational rigidity, and greater protease resistance
  • Increased conformational constraint and binding affinity
  • Proven method of drug discovery

Summary

Combinatorial chemistry serves as a powerful tool for ligand screening against potential protein and peptide targets. However, macrocyclic peptidomimetic combinatorial libraries are virtually nonexistent. Described is a new class of peptidomimetic macrocyclic combinatorial library with use as ligands for the Ephrin type-A receptor 2 (EphA2), which provides a novel method of drug discovery. The library is based on the use of peptide mimicking molecules with γ-AApeptide backbones and macrocyclic functional groups for binding specific biological targets. The advantages are the unique structure of its ligands as macrocyclic and peptidomimetic molecules. The γ-AApeptide backbones ensure chemo diversity, enhanced conformational rigidity, and greater protease resistance. This has been used successfully to identify a ligand targeting receptor tyrosine kinase, a protein involved in melanoma, ovarian, breast, and lung cancers, but has unlimited applications.

 

 

Screening of the γ-AApeptide Library

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