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<p>DNA carries the genetic code of life. Different conformations of DNA are associated with various
biological functions. Predicting the conformation of DNA from its primary sequence, although desirable,
is a challenging problem owing to the polymorphic nature of DNA. Although a few efforts were made in
this regard, currently there exists no method that can accurately predict the conformation of right-
handed DNA solely from the sequence. In this study, we present a novel approach based on machine
learning that predicts A-DNA and B-DNA conformational propensities of a sequence with high accuracy
(~95%). In addition, we show that the impact of the dinucleotide steps in determining the conformation
agrees qualitatively with the free energy cost for A-DNA formation in water. This method enables us to
examine the genomic sequence to understand the prospective biological roles played by the A-form of
DNA.
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