Large-scale expression and purification of a G-protein-coupled receptor for structure determination -- an overview.

J Struct Funct Genomics

Laboratory of Molecular Biology of the National Institute of Diabetes and Digestive and Kidney Diseases, Department of Health and Human Services, National Institutes of Health, Bethesda, Maryland 20892, USA.

Published: June 2006

AI Article Synopsis

  • The research focuses on the expression and purification of neurotensin receptors, which are essential for structural studies like nuclear magnetic resonance.
  • The methods involve using Escherichia coli to achieve functional expression of the receptor protein.
  • An automated two-column purification process is utilized to facilitate continuous crystallization experiments and investigations on ligands that bind to the receptor.

Article Abstract

Structure determination of G-protein-coupled receptors and other applications, such as nuclear magnetic resonance studies, require milligram quantities of purified, functional receptor protein on a regular basis. We present an overview on expression and purification studies with a receptor for neurotensin. Functional expression in Escherichia coli and an automated two-column purification routine allow ongoing crystallization experiments and studies on receptor-bound ligands.

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http://dx.doi.org/10.1007/s10969-005-1917-6DOI Listing

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