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天然丰度下含异核的DNA的异核核磁共振:耦合常数的便捷归属与提取

Heteronuclear NMR of DNA with the heteronucleus in natural abundance: facilitated assignment and extraction of coupling constants.

作者信息

Schmieder P, Ippel J H, van den Elst H, van der Marel G A, van Boom J H, Altona C, Kessler H

机构信息

Organisch-Chemisches Institut, TU München, Garching, Germany.

出版信息

Nucleic Acids Res. 1992 Sep 25;20(18):4747-51. doi: 10.1093/nar/20.18.4747.

Abstract

Two heteronuclear proton-carbon NMR experiments are applied to the DNA-octamer d(TTGGCCAA)2 with carbon in natural abundance. They lead to a complete assignment of the carbon resonances of the sugars and bases. In addition, several heteronuclear coupling constants, proton-carbon as well as proton-phosphorous and phosphorous-carbon, were determined. The information can be obtained in a reasonable measuring time and offers valuable information for a detailed picture of DNA structure.

摘要

两个异核质子-碳核磁共振实验应用于天然丰度碳的DNA八聚体d(TTGGCCAA)₂。它们实现了糖和碱基碳共振的完全归属。此外,还测定了几个异核耦合常数,包括质子-碳、质子-磷以及磷-碳耦合常数。这些信息可在合理的测量时间内获得,并为DNA结构的详细描述提供了有价值的信息。

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