Studies of Amyloid-Like Fibrillogenesis through<i>β</i>-Sheet-Mediated Self-Assembly of Short Synthetic Peptides
作者:Anita Dutt、Elinor C. Spencer、Judith A. K. Howard、Animesh Pramanik
DOI:10.1002/cbdv.200900050
日期:2010.2
types of small peptides, namely, i) Boc-Ile-Aib-Ile-OMe (Aib=alpha-aminoisobutyric acid), ii) Boc-Xx-m-aminobenzoic acid (Xx=beta-Ala and gamma-aminobutyric acid), and iii) Boc-Xx-m-nitroaniline, were found to exhibit beta-sheet-mediated fibrillogenesis in the solid state, revealed by FT-IR, single-crystal X-ray diffraction, and FE-SEM studies. Interestingly, the fibrils grown from peptides 2 and 3 were
三种结构上不同类型的小肽,即i)Boc-Ile-Aib-Ile-OMe(Aib =α-氨基异丁酸),ii)Boc-Xx-m-氨基苯甲酸(Xx =β-Ala和γ-氨基丁酸酸)和iii)Boc-Xx-间硝基苯胺,通过FT-IR,单晶X射线衍射和FE-SEM研究发现,在固态下具有β-折叠介导的原纤维形成。有趣的是,发现从肽2和3生长的原纤维与生理染料刚果红结合,这是淀粉样原纤维的特征。