DNA-Compatible Conditions for the Formation of N-Methyl Peptide Bonds.

DNA-Compatible Conditions for the Formation of N-Methyl Peptide Bonds.
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DOI:
10.1021/acsomega.3c00576
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发表时间:
2023-07-04
期刊:
影响因子:
4.1
通讯作者:
Lokey, R. Scott
Lokey, R. Scott
中科院分区:
化学3区
文献类型:
--
作者:
Zhang, Panpan;Koch, Grant;Zhang, Yankun;Yang, Kevin;Lokey, R. Scott

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DNA编码库(DELs)是药物发现的强大平台。多肽具有独特的性质,使它们成为有吸引力的候选药物。多肽骨架的N-甲基化可赋予有益的性质,如增加蛋白质分解稳定性和膜通透性。在这里,我们评估了不同的DEL反应系统,并报告了一种与DNA兼容的形成N-甲基化酰胺键的方案。DNA相容的双(三氯甲基)碳酸酯介导酰胺偶联是有效的N-甲基多肽键的形成,这有望增加利用DNA编码技术识别被动细胞通透性大环肽的机会。
DNA-encoded libraries (DELs) are a powerful platform in drug discovery. Peptides have unique properties that make them attractive pharmaceutical candidates. N-methylation of the peptide backbone can confer beneficial properties such as increased proteolytic stability and membrane permeability. Herein, we evaluate different DEL reaction systems and report a DNA-compatible protocol for forming N-methylated amide bonds. The DNA-compatible, bis(trichloromethyl)carbonate-mediated amide coupling is efficient for the formation of N-methyl peptide bonds, which promises to increase the opportunity to identify passively cell-permeable macrocyclic peptide hits by DNA-encoded technology.
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