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Updated: Mar 6, 2026

In-vivo Detection of Protein-protein Interactions on Micro-patterned Surfaces
Published on: March 19, 2010
A Proximity-Based Assay for Identification of Ligand and Membrane Protein Interaction in Living Cells
Hongkai Zhang1, Richard A Lerner2
1Department of Cell and Molecular Biology, The Scripps Research Institute, Mail Code: MB 10, 10550 N. Torrey Pines Rd, La Jolla, CA, 92037, USA.
Abstract:
There is a need for a general reporter system to study the interactions between a ligand and membrane protein in living cells. Here, we demonstrate a method that allows identification of undiscovered ligand partners of a membrane protein in its natural milieu. This assay will be of importance especially for multiple pass transmembrane proteins such as ion channels and GPCRs.
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