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Review
, 137 (12), e197-e203

Research Techniques Made Simple: Emerging Methods to Elucidate Protein Interactions Through Spatial Proximity

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Review

Research Techniques Made Simple: Emerging Methods to Elucidate Protein Interactions Through Spatial Proximity

Yonglu Che et al. J Invest Dermatol.

Abstract

Interactions between proteins are essential for fundamental cellular processes, and the diversity of such interactions enables the vast variety of functions essential for life. A persistent goal in biological research is to develop assays that can faithfully capture different types of protein interactions to allow their study. A major step forward in this direction came with a family of methods that delineates spatial proximity of proteins as an indirect measure of protein-protein interaction. A variety of enzyme- and DNA ligation-based methods measure protein co-localization in space, capturing novel interactions that were previously too transient or low affinity to be identified. Here we review some of the methods that have been successfully used to measure spatially proximal protein-protein interactions.

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