Recently developed methods that can photochemically control protein activities and functions in live cells have opened up new opportunities for studying signaling networks at the cellular and subcellular levels. Our laboratory has reported a genetically encoded photoactivatable intein, which allows the direct photocontrol of primary sequences of proteins, and consequently, their activities and functions in live mammalian cells. Herein, we provide details on experimental design and the utilization of this photocaged intein to photoactivate the Src tyrosine kinase in human embryonic kidney (HEK) 293T cells. The described procedures may be adopted to photocontrol other proteins in other types of mammalian cells.
CITATION STYLE
Ren, W., & Ai, H. W. (2017). Photocontrol of the Src kinase in mammalian cells with a photocaged intein. In Methods in Molecular Biology (Vol. 1495, pp. 217–226). Humana Press Inc. https://doi.org/10.1007/978-1-4939-6451-2_14
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