Enhancement of the helical content and stability induced in a linear oligopeptide by an<b><i>i, i</i>+</b>4 intramolecularly double stapled, overlapping, bicyclic [31, 22, 5]-(<i>E</i>)ene motif
作者:Daniela Mazzier、Cristina Peggion、Claudio Toniolo、Alessandro Moretto
DOI:10.1002/bip.22438
日期:2014.1
Two consecutive i, i+4 intramolecular, side chain‐to‐side chain, macrocyclizations of different type carried out on a preformed, partially helical peptide result in a largely predominant, double stapled, overlapping, bicyclic [31,22,5]‐(E)ene motif. A detailed ECD and NMR conformational study revealed a significant enhancement of the original helical content and stability, accompanied by an increase
在一个预先形成的部分螺旋肽上进行两个连续的i,i +4分子内,侧链到侧链的不同类型的大环化反应,从而形成主要占主导地位的双钉,重叠,双环[31,22,5]- (E)ene主题。一项详细的ECD和NMR构象研究表明,原始螺旋含量和稳定性显着提高,并且α-螺旋量比3 10-螺旋量增加。©2013 Wiley Periodicals,Inc.生物高分子(Pept Sci)102:115-123,2014年。