The Role of DNA Deformation Energy at Individual Base Steps for the Identification of DNA-Protein Binding Sites
2002
We examine the use of deformation propensity at individual base steps for the identification of DNA-protein binding sites. We have previously demonstrated that estimates of the total energy to bend DNA to its bound conformation can partially explain indirect DNA-protein interactions. We now show that the deformation propensities at each base step are not equally informative for classifying a sequence as a binding site, and that applying non-uniform weights to the contribution of each base step to aggregate deformation propensity can greatly improve classification accuracy. We show that ap erceptron can be trained to use the deformation propensity at each step in a sequence to generate such weights.
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