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Drug Discov Today. 2013 Jul;18(13-14):667-73. doi: 10.1016/j.drudis.2013.02.007. Epub 2013 Feb 27.

Molecular determinants of drug-receptor binding kinetics.

Author information

1
DE Shaw Research, New York, NY 10036, USA. Albert.Pan@DEShawResearch.com

Abstract

It is increasingly appreciated that the rates at which drugs associate with and dissociate from receptors--the binding kinetics--directly impact drug efficacy and safety. The molecular determinants of drug-receptor binding kinetics remain poorly understood, however, especially when compared with the well-known factors that affect binding affinity. The rational modulation of kinetics during lead optimization thus remains challenging. We review some of the key factors thought to control drug-receptor binding kinetics at the molecular level--molecular size, conformational fluctuations, electrostatic interactions and hydrophobic effects--and discuss several possible approaches for the rational design of drugs with desired binding kinetics.

PMID:
23454741
DOI:
10.1016/j.drudis.2013.02.007
[Indexed for MEDLINE]

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