Vibrational energy transfer in a protein molecule

被引：130

作者：

Moritsugu, K ^{[1
]}

Miyashita, O ^{[1
]}

Kidera, A ^{[1
]}

机构：

[1] Kyoto Univ, Grad Sch Sci, Dept Chem, Sakyo Ku, Kyoto 6068502, Japan

来源：

PHYSICAL REVIEW LETTERS | 2000年 / 85卷 / 18期

关键词：

D O I：

10.1103/PhysRevLett.85.3970

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Mode coupling in a protein molecule was studied by a molecular dynamics simulation of the intramolecular vibrational energy transfer in myoglobin at near zero temperature. It was found that the vibrational energy is transferred from a given normal mode to a very few number of selective normal modes. These modes are selected by the relation between their frequencies, like Fermi resonance, governed by the third order mode coupling term. It was also confirmed that the coupling coefficients had high correlation with how much the coupled modes geometrically overlapped with each other.

引用

页码：3970 / 3973

页数：4

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