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3D-LogP: An Alignment-Free 3D Description of Local Lipophilicity for QSAR Studies
Abstract
The major hurdle to overcome in the development of 3D-QSAR models using steric, electrostatic, or lipophilic “fields” is related to both conformation selection and subsequent suitable overlay (alignment) of compounds. Therefore, it is of some interest to provide a conformationally sensitive lipophilicity descriptor that is alignment-independent. In this chapter we describe the derivation and parametrization of a new descriptor called 3D-LogP and demonstrate both its conformational sensitivity and its effectiveness in QSAR analysis. The 3D-LogP descriptor provides such a representation in the form of a rapidly computable description of the local lipophilicity at points on a user-defined molecular surface.
Affiliation(s): (3) Synt:em, Nimes, France
(4) Aventis Pharmaceuticals, Bridgewater, New Jersey, USA
(5) Institute of Medicinal Chemistry, School of Pharmacy, University of Lausanne, Lausanne, Switzerland
Series: Methods in Molecular Biology  |  Volume: 275  |  Pub. Date: May-12-2004  |  Page Range: 215-260  |  DOI: 10.1385/1-59259-802-1:215
Subject:  Bioinformatics
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