Comparative analysis of nucleic acid sequences by their general constraints - PubMed (original) (raw)

Comparative Study

Comparative analysis of nucleic acid sequences by their general constraints

D J Lipman et al. Nucleic Acids Res. 1982.

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Abstract

We describe two measures of a nucleic acid sequence, derived from Information Theory, which characterize the constraints toward nonuniform base composition, and the constraints on the ordering of the bases. These two measures distinguish extra-chromosomal coding sequences from all other coding sequences examined. The two measures separate eukaryotic coding sequences into two groups: those with introns and those without introns. We have also found a relationship between the general constraints of a subsequence and its degree of conservation in related genes.

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