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Immunofluorescent analysis of HeLa cells transfected with a construct containing a GFP Tag. Formalin fixed cells were permeabilized with 0.1% Triton X-100 in TBS for 10 minutes at room temperature and blocked with 1% Blocker BSA (Product # 37525) for 15 minutes at room temperature. Cells were probed with a DyLight 650-conjugated GFP Tag monoclonal antibody (Product # MA5-15256-D650) at a dilution of 1:25 for at least 1 hour at room temperature. Nuclei (blue) were stained with Hoechst 33342 dye (Product # 62249). Images were taken on a Thermo Scientific ArrayScan or ToxInsight Instrument at 20X magnification.
|Tested species reactivity||Tag|
|Host / Isotype||Mouse / IgG1|
|Immunogen||GFP from the jellyfish Aequorea Victoria N-terminal peptide-KLH conjugated.|
|Storage buffer||PBS with proprietary stabilizer|
|Contains||0.02% sodium azide|
|Storage Conditions||4° C, do not freeze|
|Tested Applications||Dilution *|
|Immunofluorescence (IF)||1:25 - 1:100|
* Suggested working dilutions are given as a guide only. It is recommended that the user titrate the product for use in their own experiment using appropriate negative and positive controls.
MA5-15256-D650 has been successfully used for immunofluorescence. DyLight 650 has an excitation/emission of 652/672 nm.
Epitope tags provide a method to localize gene products in a variety of cell types, study the topology of proteins and protein complexes, identify associated proteins, and characterize newly identified, low abundance or poorly immunogenic proteins when protein specific antibodies are not available. Green Fluorescent Protein (GFP) has quickly become a powerful research tool for assessing gene expression and subcellular protein distribution in fixed or living cells. GFP is excited by and brightly fluoresces when exposed to UV or blue light. This feature makes it ideal as a marker for use in fluorescence microscopy, cytometry, tagging fusion proteins, and assaying transcriptional regulation from gene promoters in vivo. Numerous GFP variants with enhanced and shifted emission spectra (blue, green, and yellow) have been developed through amino acid substitutions at specific residues.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.