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Nucleic Acids Res. 1986 Jan 10;14(1):75-86.

A sequence analysis system encompassing rules for DNA helical distortion.

Abstract

Recently, it has been shown by Calladine (1982) and Dickerson (1983) that DNA distortions due to steric clashes between opposing purines and pyrimidines can be quantitated based upon four sum functions. The distortions involve helical twist, roll, torsion angle variations and propeller twist. It is the contention of the authors that these perturbations in structure act as information carriers for various external DNA interactions. This paper describes a system that incorporates these four rules and various other functions that permit the systematic interactive exploration for significant patterns as a consequence of these steric clashes.

PMID:
3753794
PMCID:
PMC339357
[PubMed - indexed for MEDLINE]
Free PMC Article
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