"Histone" Related Products

    Pan-Methyl Histone H3-K79 Quantification Kit (Colorimetric)

    Cat.No. : Kit-0655
    Product Overview : Pan-Methyl Histone H3-K79 Quantification Kit (Colorimetric) is use for measuring mono, di-and tri-methylation of histone H3-K79.
    Description : Epigenetic activation or inactivation of genes plays a critical role in many important human diseases, especially in cancer. A major mechanism for epigenetic inactivation of the genes is methylation of CpG islands in genome DNA caused by DNA methyltransferases. Histone methyltransferases (HMTs) control or regulate DNA methylation through chromatin-dependent transcription repression or activation. HMTs transfer 1-3 methyl groups from S-adenosyl-L-methionine to the lysine and arginine residues of histone proteins. Dot1 is a histone methyltransferase that catalyzes methylation of histone H3 at lysine 79 (H3-K79) in mammalian cells. Intergenic H3-K79 mono-methylation is a mark of enhancer regions and may provide unique binding surfaces along the chromatin fiber to stabilize interactions between enhancers and their target promoters. H3-K79 diand tri-methylation is also a widespread histone modification and is associated with transcriptionally active genes. Increased H3-K79 methylation is found to be involved in some pathological processes such as leukemogenesis in human. The patterns of H3-K79 methylation can also be changed by inhibition or activation of HMTs. Thus quantitative detection of mono-, di- and tri-methyl histone H3-K79 would provide useful information for better understanding epigenetic regulation of gene activation and for developing HMT targeted drugs. The Pan-Methyl Histone H3-K79 Quantification Kit (Colorimetric) provides a tool for measuring mono, di- and tri-methylation of histone H3-K79.
    Applications : For simultaneously measuring histone H3-K79 mono-, di-, and tri-methylation using a variety of mammalian cells (human, mouse, etc.) including fresh and frozen tissues, cultured adherent and suspension cells.
    Usage : For research use only (RUO)
    Storage : Upon receipt, store C3 and Standard control at –20°C. Store all other components at 4°C away from light. The components of the kit should be stable for 6 months when stored properly.Note: Check if buffers C1 and C2 contain salt precipitates before using. If so, warm (at room temperature or 37°C) and shake the buffers until the salts are redissolved.
    Kit Components : C1 (10X wash buffer) 20 mlC2 (antibody buffer) 12 mlC3 (detection antibody, 1 mg/ml)* 10 µlC4 (color developer) 10 µlC5 (stop solution) 6 mlStandard control (100 µg/ml)* 20 µl8 well sample strips (with frame) 98 well standard control strips* 3* For maximum recovery of the products, centrifuge the original vial after thawing prior to opening the cap.
    Features & Benefits : Quick and efficient procedure, which can be finished within 2.5 hours.Innovative colorimetric assay with no need for radioactivity, electrophoresis, and chromatography.Simultaneous quantification of mono-, di-, and tri-methylated H3-K79 with the detection limit as low as 2 ng/well and detection range from 20 ng-5 µg/well of histone extracts.The control is conveniently included for quantification of the amount of mono-, di– and tri-methylated H3-K79.Strip microplate format makes the assay flexible: manual or high throughput.Simple, reliable, and consistent assay conditions.

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