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Phys. Rev. E 63, 051908 (2001) [8 pages]

Codon distributions in DNA

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A. Som1,*, S. Chattopadhyay1,†, J. Chakrabarti1,‡, and D. Bandyopadhyay2,§
1Department of Theoretical Physics, Indian Association for the Cultivation of Science, Calcutta 700 032, India
2Linguistics Research Unit, Indian Statistical Institute, Calcutta 700 035, India

Received 9 November 2000; revised 16 January 2001; published 18 April 2001

The codons, 64 in number, are distributed over the coding parts of DNA sequences. The distribution function is the plot of frequency versus rank of the codons. These distributions are characterized by parameters that are almost universal, i.e., gene independent. There is but a small part that depends on the gene. We present the theory to calculate the universal (gene-independent) part. The part that is gene-specific, however, has undetermined overlaps and fluctuations.

© 2001 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevE.63.051908
DOI:
10.1103/PhysRevE.63.051908
PACS:
87.10.+e, 87.15.-v, 05.40.-a, 72.70.+m

*Email address: tpas@mahendra.iacs.res.in

Email address: tpsc@mahendra.iacs.res.in

Email address: tpjc@mahendra.iacs.res.in

§Email address: bandyo@isical.ac.in