Overview
This protocol describes a split luciferase complementation assay used to study the interaction of proteins in cells. In the "split protein" strategy, a single reporter protein/enzyme (in this case, firefly luciferase [Fluc]) is cleaved into amino-terminal and carboxy-terminal halves; each half is fused to one of two interacting proteins, X and Y. Physical interactions between the two proteins, X and Y, reconstitute the functional reporter protein, leading to enzymatic activities that can be measured by in vitro or in vivo assays. By Ramasam Paulmurugan, Pritha Ray, Abhijit De, Carmel T. Chan, and Sanjir Sam Gambhir.
Details
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