MEASURING THE GEOMETRY OF DNA GROOVES

被引:96
作者
STOFER, E
LAVERY, R
机构
[1] Laboratoire de Biochimie Théorique (CNRS URA 77), Institut de Biologie Physico-Chimique, Paris, 75005, 13, rue Pierre et Marie Curie
关键词
D O I
10.1002/bip.360340305
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
We present a new method for measuring the widths and depths of the grooves formed within DNA helices. This method overcomes the limitations of simply measuring interstrand phosphate-phosphate distances and has the advantage of yielding continuous values for groove geometry along a DNA fragment. In the case of oligonucleotides, it also clearly indicates the zones in which grooves exist, bounded by two phosphodiester backbones. The methodology has been developed within the Curves algorithm for studying irregular DNA geometries and is based on the optimal, and generally curved, helical axis obtained by this analysis. (C) 1994 John Wiley & Sons, Inc.
引用
收藏
页码:337 / 346
页数:10
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