[球状蛋白质中多聚-L-脯氨酸II型的左手螺旋构象。发生率统计及序列的作用]
[Left-handed helix conformation of poly-L-proline II type in globular proteins. Statistics of incidence and a role of sequence].
作者信息
Vlasov P K, Kilosanidze G T, Ukrainskiĭ D L, Kuz'min A V, Tumanian V G, Esipova N G
机构信息
Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, ul. Vavilova 32, Moscow, 119991 Russia.
出版信息
Biofizika. 2001 May-Jun;46(3):573-6.
PMID:11449562
Abstract
Regions of left-handed polyproline II type conformation in globular proteins were studied throughout the PDB bank. The length and sequence of corresponding fragments were analyzed. It was found that a lot of tetrapeptides (from combinatorial possible ones) show the tendency to be included in the left-handed helices. Much more tetrapeptides do not occur in this structure type.
摘要
在整个蛋白质数据库中研究了球状蛋白质中左手多聚脯氨酸II型构象的区域。分析了相应片段的长度和序列。发现许多四肽（来自组合可能的四肽）显示出被纳入左手螺旋的趋势。更多的四肽不存在于这种结构类型中。
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