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A study of X-ray induced disorder in oligonucleotide single crystals

Published online by Cambridge University Press:  15 November 2000

G. Savitha ,
R. Somashekar  and
M. A. Viswamitra
G. Savitha
Affiliation:
Department of Physics, Indian Institute of Science Bangalore 560 012, India
R. Somashekar*
Affiliation:
Tokyo University of Agriculture and Technology, Tokyo, 184-8588, Japan Department of Studies in Physics, University of Mysore, Mysore 570 006, India
M. A. Viswamitra
Affiliation:
Department of Physics, Indian Institute of Science Bangalore 560 012, India Jawaharlal Nehru Centre for Advanced Scientific Research, Bangalore 560 064, India
*
sshekar@bgl.vsnl.net.inshekarrs@cc.tuat.ac.jp
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Abstract

On the basis of one-dimensional paracrystalline model, we have calculated the linear disorder when oligonucleotide single crystals of DNA are irradiated by X-rays. For this purpose, the noticeable broadening of the meridional reflection at 3.2 Å was used as a marker to quantify the disorder, induced in the linear array of base pairs as one travels along the helical axis of DNA molecule.

Keywords

Type
Research Article
Information
The European Physical Journal - Applied Physics , Volume 12 , Issue 2 , November 2000 , pp. 99 - 103
Copyright
© EDP Sciences, 2000

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