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A Protocol for Phage Display and Affinity Selection Using Recombinant Protein Baits
12:36

A Protocol for Phage Display and Affinity Selection Using Recombinant Protein Baits

Published on: February 16, 2014

Fragment-based ligand discovery meets phage display.

Daniel A Erlanson1

  • 1Sunesis Pharmaceuticals, Inc., 341 Oyster Point Boulevard, South San Francisco, California 94080, USA. erlanson@sunesis.com

ACS Chemical Biology
|December 25, 2007
PubMed
Summary

Fragment-based ligand discovery identifies drug components individually. Combining this with phage-display technology creates potent, specific bivalent kinase inhibitors.

Area of Science:

  • Medicinal Chemistry
  • Biotechnology

Background:

  • Traditional ligand discovery methods like high-throughput screening are effective but can be complemented by fragment-based approaches.
  • Fragment-based ligand discovery (FBLD) identifies small molecular fragments that bind to target proteins, which are then grown or linked to create high-affinity ligands.

Purpose of the Study:

  • To present a novel approach combining fragment-based ligand discovery with phage-display technology.
  • To develop potent and specific bivalent kinase inhibitors.

Main Methods:

  • Integration of fragment-based ligand discovery principles with phage-display technology.
  • Utilizing phage display to select and optimize bivalent kinase inhibitors derived from identified fragments.

Main Results:

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  • Successful generation of bivalent kinase inhibitors with high potency.
  • Demonstrated high specificity of the developed inhibitors.
  • The combined approach offers a powerful complement to existing ligand discovery strategies.

Conclusions:

  • The integration of fragment-based ligand discovery and phage-display technology is a viable strategy for developing potent and specific kinase inhibitors.
  • This novel method enhances traditional ligand discovery, offering a piece-by-piece approach to building effective drug candidates.