Dehydrooligopeptides. XVIII. Enzymatic Hydrolysis and Coupling of Dehydrodipeptide Esters Containing<i>α</i>-Dehydroamino Acid Residue by Using Papain
作者:Chung-gi Shin、Takeshi Kakusho、Kazushige Arai、Masashi Seki
DOI:10.1246/bcsj.68.3549
日期:1995.12
The enzymatic hydrolysis of N-protected dehydrodipeptide methyl esters (2) (Protect-ΔAA-AA-OMe) was first achieved, despite the requisite of the only neutral and large proteinic l-α-amino acid (AA) in the case using papain. Furthermore, the reverse enzymatic coupling of the C-component 2 with N-component α-amino acid anilides or dehydrodipeptide esters containing dehydrovaline (ΔVal) residue was also successful. Consequently, the present study suggests that the proteolytic enzyme papain is able to become a very useful tool for peptide synthesis by a coupling of the C-component dehydropeptide with N-component α-amino acid, peptide, or dehydropeptide.
尽管在使用木瓜蛋白酶的情况下,必须使用唯一的中性和大分子蛋白质 l-α-氨基酸(AA),但还是首次实现了 N-保护脱氢二肽甲酯(2)(Protect-ΔAA-AA-OMe)的酶水解。此外,C 组分 2 与含有脱氢缬氨酸(ΔVal)残基的 N 组分 α-氨基酸苯胺或脱氢二肽酯的反向酶偶联也获得了成功。因此,本研究表明,蛋白水解酶木瓜蛋白酶能够通过将 C 组份脱水肽与 N 组份 α-氨基酸、肽或脱水肽偶联,成为一种非常有用的肽合成工具。