NMR observation of two states of triple helix in the thermal transition of (Pro-Pro-Gly)10

被引：6

作者：

Kai, T ^{[1
]}

Uchiyama, S

Yoshida, T

Kobayashi, Y

Kajiyama, K

Tomiyama, T

机构：

[1] Nagoya Univ, Dept Chem, Nagoya, Aichi 46401, Japan

[2] Osaka Univ, Fac Pharmaceut Sci, Osaka 565, Japan

[3] Admon Sci Inc, Shizuoka 426, Japan

来源：

CHEMICAL PHYSICS LETTERS | 1997年 / 281卷 / 1-3期

关键词：

D O I：

10.1016/S0009-2614(97)01211-6

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The thermal transition of (Pro-Pro-Gly)(10) in D2O solution has been studied by NMR. The H-1 and C-13 spectra measured at different temperatures are assigned using home-and heteronuclear two-dimensional NMR methods. It is confirmed that the triple helix undergoes a preliminary transition between two distinct states; the higher state is considered to be a preparatory state for the transition to the statistical coil. The observed change in the helix content is explained in terms of an extended first-order phase transition. (C) 1997 Elsevier Science B.V.

引用

页码：86 / 91

页数：6

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