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Fluorescent Labeling of COS-7 Expressing SNAP-tag Fusion Proteins for Live Cell Imaging
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May 17, 2010
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SNAP-tag and CLIP-tag protein labeling systems enable the specific, covalent attachment of molecules, including fluorescent dyes, to a protein of interest in live cells. Once cloned and expressed, the tagged protein can be used with a variety of substrates for numerous downstream applications without having to clone again.
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Fluorescent LabelingCOS-7SNAP-tagFusion ProteinsLive Cell ImagingProtein Labeling SystemsCovalent AttachmentFluorescent DyesProtein Of InterestImaging InstrumentationCloningExpressionDownstream ApplicationsSNAP-tag SubstrateHuman O6-alkylguanine-DNA-alkyltransferase (hAGT)DNA Repair ProteinBenzyl LinkerLabeling ReactionCLIP-tagOrthogonal Labeling
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Provost, C. R., Sun, L. Fluorescent Labeling of COS-7 Expressing SNAP-tag Fusion Proteins for Live Cell Imaging. J. Vis. Exp. (39), e1876, doi:10.3791/1876 (2010).
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