Conformation of ATP and ADP Molecules in Aqueous Solutions Determined by High-Energy X-ray Diffraction

被引：3

作者：

Miyazaki, Takuya ^{[1
]}

Kameda, Yasuo ^{[1
]}

Umebayashi, Yasuhiro ^{[2
]}

Doi, Hiroyuki ^{[2
]}

Amo, Yuko ^{[1
]}

Usuki, Takeshi ^{[1
]}

机构：

[1] Yamagata Univ, Dept Mat & Biol Chem, Fac Sci, Yamagata 9908560, Japan

[2] Niigata Univ, Grad Sch Sci & Technol, Niigata 9502181, Japan

来源：

JOURNAL OF SOLUTION CHEMISTRY | 2014年 / 43卷 / 9-10期

关键词：

ATP; ADP; Intramolecular structure; Conformation; X-ray diffraction; DISODIUM ADENOSINE 5-TRIPHOSPHATE; EXCESS CHARGE; 5'-TRIPHOSPHATE; STABILIZATION; COORDINATION; HYDRATION; CRYSTAL; WATER; ION;

D O I：

10.1007/s10953-014-0153-8

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：

High-energy X-ray diffraction measurements were carried out at 26 A degrees C for aqueous 1.0, 2.0 and 2.05 mol% disodium adenosine 5'-triphosphate (ATP) and 2.0 and 2.05 mol% disodium adenosine 5'-diphosphate (ADP) solutions in order to obtain direct experimental information on the intramolecular conformations of ATP and ADP molecules in aqueous solutions. Observed interference terms were analyzed in terms of the intramolecular geometry of the ATP and ADP molecules. Dihedral angles between adenine and the ribose group (t (1)), ribose-ring and methylene group of ribose (t (2)), and the methylene group of ribose and triphosphate (or diphosphate) group (t (3)), were determined through the least-squares fitting procedure of the observed interference term.

引用

页码：1487 / 1498

页数：12

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