A phage display system with unnatural amino acids |
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Authors: | Tian Feng Tsao Meng-Lin Schultz Peter G |
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Affiliation: | Department of Chemistry and the Skaggs Institute for Chemical Biology, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, California 92037, USA. |
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Abstract: | We report a general method to display peptide-containing unnatural amino acids on filamentous M13 phage. Five distinct unnatural amino acids were site-specifically incorporated at the N-terminal of the M13 phage minor coat protein pIII. Phages that contain p-azidophenylalanine can undergo a highly specific azide-alkyne [3 + 2] cycloaddition reaction with an alkyne-derivatized fluorophore. The generalization of phage display to include unnatural amino acids should significantly increase the scope of phage display technology. |
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