This protocol describes an in situ protein-protein interaction assay between tagged recombinant proteins and cell-surface expressed synaptic proteins. The assay is arguably more sensitive than other traditional protein binding assays such as co-immunoprecipitation and pull-downs and provides a visual readout for binding. This assay has been widely used to determine the dissociation constant of binding of transsynaptic adhesion proteins. The step-wise description in the protocol should facilitate the adoption of this method in other laboratories.
CITATION STYLE
Padmanabhan, N., & Siddiqui, T. J. (2017). In situ protein binding assay using Fc-fusion proteins. In Methods in Molecular Biology (Vol. 1538, pp. 83–91). Humana Press Inc. https://doi.org/10.1007/978-1-4939-6688-2_7
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