Mining the Protein Data Bank with CReF to predict approximate 3-D structures of polypeptides Online publication date: Wed, 02-Jun-2010
by Marcio Dorn, Osmar Norberto De Souza
International Journal of Data Mining and Bioinformatics (IJDMB), Vol. 4, No. 3, 2010
Abstract: In this paper we describe CReF, a Central Residue Fragmentbased method to predict approximate 3-D structures of polypeptides by mining the Protein Data Bank (PDB). The approximate predicted structures are good enough to be used as starting conformations in refinement procedures employing state-of-the-art molecular mechanics methods such as molecular dynamics simulations. CReF is very fast and we illustrate its efficacy in three case studies of polypeptides whose sizes vary from 34 to 70 amino acids. As indicated by the RMSD values, our initial results show that the predicted structures adopt the expected fold, similar to the experimental ones.
Online publication date: Wed, 02-Jun-2010
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