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An Efficient Synthetic Strategy for the Preparation of Nucleic Acid-Encoded Peptide and Protein Libraries for In Vitro Evolution Protocols
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1  Phylos, Inc., 128 Spring Street, Lexington, MA 02421

Abstract: We describe an improved synthetic strategy for the preparation of nucleic acid encoded peptide and protein libraries. A solid-phase format was used to prepare and purify a novel type of mRNA-template for in vitro mRNA-protein fusion synthesis. The present protocol simplifies and accelerates the preparation of fusion libraries and should prove most useful for in vitro protein evolution procedures which involve repetitive cycles of fusion library preparation and selection.
Keywords: Nucleic acid-encoded libraries; mRNA-protein fusion; PROfusionTM; in vitro selection; puromycin; psoralen.