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2009-05-26T09:30:53+01:00
LaTeX with hyperref package
2009-05-26T09:34:34+02:00
2009-05-26T09:34:34+02:00
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Considerable importance in molecular biophysics is attached to influencing by mutagenesis the specific properties of a protein family. The working hypothesis is that mutating residues at few selected positions can affect specificity. Statistical analysis of homologue sequences can identify putative specificity determining positions (SDPs) and help to shed some light on the peculiarities underlying their functional role. In this work, we present an approach to identify such positions inspired by state of the art mutual information-based SDP prediction methods. The algorithm based on this approach provides a systematic procedure to point at the relevant physical characteristics of putative SPDs and can investigate the effects of correlated mutations. The method is tested on two standard benchmarks in the field and further validated in the context of a biologically interesting problem: the multimerization of the Intrinsically Fluorescent Proteins (IFP).
Sara Bonella, Walter Rocchia, Pietro Amat, Riccardo Nifosi and Valentina Tozzini
SDPhound, a Mutual Information-Based Method to Investigate Specificity-Determining Positions
specificity determining positions
intrinsically fluorescent proteins
mutual information.
specificity determining positions; intrinsically fluorescent proteins; mutual information.
dvipdfm 0.13.2d, Copyright © 1998, by Mark A. Wicks
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