Arjan van der Vaart

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A novel approach for the selection of step parameters as reaction coordinates in enhanced sampling simulations of DNA is presented. The method uses three atoms per base and does not require coordinate overlays or idealized base pairs. This allowed for a highly efficient implementation of the calculation of all step parameters and their Cartesian derivatives(More)
An umbrella sampling method for the calculation of free energies for helical transitions is presented. The method biases structures toward helices of a desired radius and pitch. Although computationally complex, the method has negligible overhead in actual applications. To illustrate the method, calculations of the helical free energy landscape of several(More)
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