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G protein assays

 

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Cell-based assays for protein-protein interactions

22 October 2013 | By Mark Wade, Center for Genomic Science of [email protected]

Protein-protein interactions (PPI) form the backbone of all cellular signalling networks, and aberrant PPI contribute to the pathology of several diseases. Thus, strategies to identify PPI modulators are expected to be therapeutically beneficial. However, there are very few examples of clinically approved PPI modulators, reflecting the difficulties of identifying effective…

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G protein coupled receptors – exploiting flexible conformations

3 September 2012 | By Kathryn L. Chapman, Imperial Drug Discovery Centre, Imperial College London and John B.C. Findlay & Gemma K. Kinsella, Department of Biology, National University of Ireland Maynooth

G-protein coupled receptors (GPCRs) are a diverse super-family of proteins located within the plasma membrane of eukaryotic cells which have a common architecture consisting of seven-transmembrane (7-TM) segments, connected by extracellular (ECL) and intracellular (ICL) loops. They differ from other 7-TM proteins in their ability to activate guanine-nucleotide binding proteins…