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Chemical Synthesis of Hydrocarbon-Stapled Peptides for Protein Interaction Research and Therapeutic Targeting

机译:含烃类蛋白相互作用研究和治疗靶向的烃类饮料肽的化学合成

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摘要

The peptide alpha-helix represents one of Nature’s most featured protein shapes and is employed in a diversity of protein architectures, spanning the very cytoskeletal infrastructure of the cell to the most intimate contact points between crucial signaling proteins. By installing an all-hydrocarbon crosslink into native sequences, we recapitulate the shape and biological activity of natural peptide alpha-helices, yielding a chemical toolbox to both interrogate the protein interactome and modulate interaction networks for potential therapeutic benefit. Here, we describe our latest approach to synthesizing Stabilized Alpha-Helices (SAH) corresponding to key protein interaction domains. We emphasize a stepwise approach to the production of crosslinking non-natural amino acids, their incorporation into peptide templates, and the application of ruthenium-catalyzed ring closing metathesis to generate hydrocarbon-stapled peptides. Through facile derivatization and functionalization steps, SAHs can be tailored for a broad range of applications in biochemical, structural, proteomic, cellular and in vivo studies.

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