Development of a Series of Cross-Linking Agents that Effectively Stabilize α-Helical Structures in Various Short Peptides
作者:Kazuhisa Fujimoto、Masaoki Kajino、Masahiko Inouye
DOI:10.1002/chem.200700843
日期:2008.1.18
A series of cross-linking agents of varying rigidity and length were designed to stabilize helical structures in short peptides and were then synthesized. The sequences of the short peptides employed in this study each include two X residues (X=Dap, Dab, Orn, and Lys) at the i/i+4, i/i+7, or i/i+11 positions to provide the sites for cross-linking. These peptides were subjected to reaction with the
设计了一系列具有不同刚度和长度的交联剂,以稳定短肽中的螺旋结构,然后进行合成。本研究中使用的短肽序列各在i / i + 4,i / i + 7或i / i + 11位置包含两个X残基(X = Dap,Dab,Orn和Lys),以提供用于交叉链接的网站。使这些肽与合成的交联剂反应,并通过圆二色性详细分析所得的交联肽的螺旋含量。对于每种肽类,我们发现与交联剂的组合适用于在5摄氏度下构建高达95%的螺旋度的稳定螺旋结构。我们的方法还可以应用于天然蛋白质(例如,修订版