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EpiQuik Global Pan-Methyl Histone H4K20 Quantification Kit (Colorimetric)

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For ELISA-like measurement of total H4K20me1me2me3 amounts

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Suggested Workflow
Histone Protein Extraction
 
 
Histone H4 Methylation Quantification
 
Schematic procedure for using the EpiQuik Global Pan-Methyl Histone H4K20 Quantification Kit (Colorimetric).
Input Type: Histone Extracts
Research Area: Histone Methylation
Target Application: Amount Quantitation
Vessel Format: 96-Well Plate
100% Guarantee: 6 months
Catalog No.SizePriceQty
P-3070-9696 assays $509.00 
Availability: Usually Ships In 1-2 Days 
Product Overview

The EpiQuik™ Global Pan-Methyl Histone H4K20 Quantification Kit (Colorimetric) is a convenient package of tools that allows the experimenter to specifically measure global mono-, di-, and tri-methylation of histone H4-K20 colorimetrically, using a variety of mammalian cells (human, mouse, etc.) including fresh and frozen tissues, and cultured adherent and suspension cells. The kit has the following advantages:

  • Quick and efficient procedure, which can be finished within 2.5 hours.
  • Innovative colorimetric assay without the need for radioactivity, electrophoresis, or chromatography.
  • Simultaneously quantify mono-, di-, and tri-methylated H4-K20 with the detection limit as low as 5 ng/well and a detection range from 20 ng-2 µg/well of histone extracts.
  • The control is conveniently included for the quantification of pan-methylated H4-K20.
  • Strip microplate format makes the assay flexible: manual or high throughput.
  • Simple, reliable, and consistent assay conditions.

Background Information
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 transcriptional repression or activation. HMTs transfer 1-3 methyl groups from S-adenosyl-Lmethionine to the lysine and arginine residues of histone proteins. PR-SET7, SET9, SUV4.20h, and ASH1 are histone methyltransferases that catalyze methylation of histone H4 at lysine 20 (H4-K20) in mammalian cells. H4-K20 mono-methylation is involved in the maintenance of proper higher order structure of DNA and is consequently essential for chromosome condensation, as well as functioning in gene silencing. H4-K20 di-methylation has been described as another repressive chromatin domains and is involved in the DNA damage response. H4-K20 tri-methylation acts as a passive feature or structure determinant for chromatin degradation and release, as well as being an epigenetic marker of early apoptosis. Tri-methylation of H4-K20 is also considered to be a common hallmark of human cancer. The global H4-K20 methylation can change by inhibition or activation of HMTs. Thus, quantitative detection of global methyl histone H4-K20 would provide useful information for better understanding epigenetic regulation of gene activation/repression, and for developing HMT-targeted drugs. The EpiQuik™ Global Pan-Methyl Histone H4-K20 Quantification Kit (Colorimetric) provides a tool for measuring global mono-, di-, and tri-methylation of histone H4-K20.

Principle & Procedure
This kit is designed for simultaneously measuring mono-, di-, and tri-methylation of histone H4-K20. In an assay with this kit, the mono-, di-, and tri-methylated histone H4 at lysine 20 is captured to strip wells coated with an anti-mono-, di-, and trimethyl H4-K20 antibody. The captured methylated histone H4-K20 can then be detected with a detection antibody followed by a color development reagent. The ratio of mono-, di-, and tri-methylated H4-K20 is proportional to the intensity of absorbance. The absolute amount of mono-, di-, and tri-methylated H4-K20 can be quantitated by comparing to the standard control.

Starting Materials
Input material should be purified histone extracts. In general, the input amount should be from 50 ng to 200 ng per well of histone extracts. 

 

Product Components

C1 (10X Wash Buffer)
C2 (Antibody Buffer)
C3 (Detecting Antibody, 1 mg/ml)*
C4 (Color Developer)
C5 (Stop Solution)
Standard Control (100 µg/ml)*
Signal Report Solution*
Signal Enhancer*
8-Well Sample Strips (with Frame)
8-Well Standard Control Strips
User Guide

* For maximum recovery of the products, centrifuge the original vial prior to opening the cap.

User Guide & MSDS

[User Guide]*
*Always use the actual User Guide that shipped with your product. Is the above file locked? You can also request user guides by emailing info@epigentek.com along with your contact information and institution name.

[Material Safety Data Sheet]
[Safety Data Sheet]
Product Citations

Morishita M et. al. (December 2014). In vitro histone lysine methylation by NSD1, NSD2/MMSET/WHSC1, and NSD3/WHSC1L. BMC Struct Biol. 14(1):25.

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