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[通过电子顺磁共振测定胶原蛋白的卷曲程度]

[Determination of the degree of collagen coiling by electron paramagnetic resonance].

作者信息

L'vov K M, Aslanov R B, Esipova N G

出版信息

Biofizika. 1986 Jan-Feb;31(1):151-2.

PMID:3006791
Abstract

It has been shown that kinetics of the death of free radicals UV-induced at 77 degrees K in collagen is determined by two reactions having different rates. Such shape of the kinetic curve is substantiated by the spatial structure of macromolecules and permits to find easily the portion of peptide chains in the helical form and the portion of end peptides not incorporated in this structure. The degree of helical pattern of collagen from rat skin was shown to be 92%.

摘要

业已表明,在77K下紫外线诱导的胶原蛋白中自由基死亡的动力学由两个速率不同的反应决定。动力学曲线的这种形状由大分子的空间结构证实,并有助于轻松找到螺旋形式的肽链部分和未纳入该结构的末端肽部分。结果表明,大鼠皮肤胶原蛋白的螺旋模式程度为92%。

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