Bend ribbon-forming tetrahydrofuran amino acids

被引:41
作者
Smith, MD
Claridge, TDW
Sansom, MSP
Fleet, GWJ
机构
[1] Univ Oxford, Dyson Perrins Lab, Oxford OX1 3QY, England
[2] Univ Cambridge, Chem Lab, Cambridge CB2 1EW, England
[3] Univ Oxford, Dept Biochem, Oxford OX1 3QU, England
关键词
D O I
10.1039/b307707c
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Short oligomeric chains of C-glycosyl beta-D-arabinofuranose configured tetrahydrofuran amino acids ( where the C-2 and C-5 substituents of the tetrahydrofuran ring are cis to each other) exhibit a well-defined repeating turn secondary structure stabilised by ( i, i - 2) inter-residue hydrogen bonds. This is in contrast to the epimeric alpha-D-arabinofuranose oligomer ( where the C-2 and C-5 substituents of the tetrahydrofuran ring are trans to each other) in which there is no indication of any secondary structure in solution.
引用
收藏
页码:3647 / 3655
页数:9
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