Codon and amino-acid distribution in DNA

J. K. Kim, S. I. Yang, Y. H. Kwon*, E. I. Lee

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    13 Citations (Scopus)

    Abstract

    According to the Zipf's law, the distribution of rank-ordered frequency of words in the natural language can be modelled on the power law. In this paper, we examine the frequency distribution of 64 codons over the coding and non-coding regions of 88 DNA from EMBL and GenBank database, using exponential fitting. Also, we regard 20 amino-acids as vocabulary, perform the same frequency analysis to the same database and show that amino-acids can be used as biological meaningful words for Zipf's approach. Our analysis suggests that a natural language structure may exist not only in the coding region of DNA but in the non-coding one of DNA.

    Original languageEnglish
    Pages (from-to)1795-1807
    Number of pages13
    JournalChaos, Solitons and Fractals
    Volume23
    Issue number5
    DOIs
    Publication statusPublished - 2005 Mar

    Bibliographical note

    Funding Information:
    This paper is supported by KOSEF and Hanyang University.

    ASJC Scopus subject areas

    • Statistical and Nonlinear Physics
    • Mathematical Physics
    • General Physics and Astronomy
    • Applied Mathematics

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