A Peptide Nucleic Acid Embedding a Pseudopeptide Nuclear Localization Sequence in the Backbone Behaves as a Peptide Mimic
作者:Stefano Sforza、Tullia Tedeschi、Alessandro Calabretta、Roberto Corradini、Consuelo Camerin、Roberto Tonelli、Andrea Pession、Rosangela Marchelli
DOI:10.1002/ejoc.201000123
日期:2010.5
paper, the synthesis of a short modified peptide nucleic acid (PNA), obtained by using several different L-amino acids as synthons, is shown. The synthesis was performed by a submonomeric strategy, obtaining a model trimeric PNA containing embedded amino acid derived side chains in its backbone that mimic the peptide sequence PKKKRKV, which is a nuclear localization signal (NLS) widely used for translocating
在本文中,显示了通过使用几种不同的 L-氨基酸作为合成子获得的短修饰肽核酸 (PNA) 的合成。该合成是通过亚单体策略进行的,获得模型三聚体 PNA,其骨架中含有嵌入的氨基酸衍生侧链,模拟肽序列 PKKKRKV,这是一种广泛用于将货物分子转运到细胞核中的核定位信号 (NLS)。荧光实验表明,这种修饰的 PNA,而不是具有相同核碱基序列的标准未修饰的 PNA,能够穿透横纹肌肉瘤细胞核,其行为与 NLS 标准肽完全相同。