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Expert Opin Drug Discov. 2008 Mar;3(3):343-355.

Advances in the Development and Application of Computational Methodologies for Structural Modeling of G-Protein Coupled Receptors.

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1
Department of Structural and Chemical Biology, Mount Sinai School of Medicine, Icahn Medical Institute Building, 1425 Madison Avenue, Box 1677, New York, NY 10029-6574, Tel: 212-241-8634;

Abstract

BACKGROUND:

Despite the large amount of experimental data accumulated in the past decade on G-protein coupled receptor (GPCR) structure and function, understanding of the molecular mechanisms underlying GPCR signaling is still far from being complete, thus impairing the design of effective and selective pharmaceuticals.

OBJECTIVE:

Understanding of GPCR function has been challenged even further by more recent experimental evidence that several of these receptors are organized in the cell membrane as homo- or hetero-oligomers, and that they may exhibit unique pharmacological properties. Given the complexity of these new signaling systems, researcher's efforts are turning increasingly to molecular modeling, bioinformatics and computational simulations for mechanistic insights of GPCR functional plasticity.

METHODS:

We review here current advances in the development and application of computational approaches to improve prediction of GPCR structure and dynamics, thus enhancing current understanding of GPCR signaling.

RESULTS/CONCLUSIONS:

Models resulting from use of these computational approaches further supported by experiments are expected to help elucidate the complex allosterism that propagates through GPCR complexes, ultimately aiming at successful structure-based rational drug design.

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