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The LANCE® Ultra Europium-anti-methyl-Histone H3 Lysine 9 (H3K9me2) antibody was used for the development and optimization of a G9a histone H3 methyltransferase assay using a
biotinylated Histone H3 (1-21) peptide as substrate. A technical note describing the assay is available in our product literature.
Proven, cost-efficient LANCE Ultra reagents can be used to quantitate peptide modifications, detecting specific meythylation and acetylation states. No wash, homogenous LANCE Ultra reagents are HTS friendly - design your own epigenetics screening strategy for greatest efficiency.
Epigenetic enzymatic assays are optimized using a biotinylated histone H3-derived peptide as substrate. The modified peptide is captured by the Eu-labeled antibody (Ab) and ULight-Streptavidin (SA) which bring the Eu donor and ULight acceptor dye molecules into close proximity. Upon irradiation at 320 or 340 nm, the energy from the Eu donor is transferred to the ULight acceptor dye which, in turn, generates light at 665 nm. The intensity of the light emission is proportional to the level of biotinylated substrate modification.
|Detection Method||Time-Resolved Fluorescence (TRF), TR-FRET|
|Experimental Type||In vitro|
|Product Brand Name||LANCE Ultra|
|Shipping Condition||Blue Ice|
|Unit Size||100 µg|
The introduction of enzyme-linked immunosorbent assays (ELISAs) in the early 1970’s offered researchers a non-radiometric immunoassay platform without compromising sensitivity. Over the last 50 years scientists have made huge strides in disease research and drug discovery and a demand for greater assay throughput and sensitivity has evolved. In response, more robust immunoassays have been developed to address some of the limitations of the standard, colorimetric ELISA.
Find out about the most common limitations of traditional ELISAs and how different ELISA alternative technologies address these limitations.
Anti-mark antibodies coupled to AlphaLISA Acceptor beads or labeled with LANCE Ultra europium chelate were used for the successful optimization of robust and, sensitive epigenetic assays using histone H3-derived peptides as substrates.
In eukaryotes, the covalent modification of histones has a crucial role in chromatin architecture and plays an important part in a plethora of cellular processes, from chromatinre modeling and transcriptional regulation, to DNA repair and cell cycle control.
Covalen modification of DNA through methylation is catalyzed by specific DNA methyltransferases (DNMTs).
The AlphaLISA technology allows performing no-wash homogeneous proximity immunoassays using Alpha Donor and AlphaLISA Acceptor beads. In this technical note, we present the optimization of an epigenetic enzymatic assay using a biotinylated histone H3-derived peptide as substrate.
In this technical note, we present the optimization of an epigenetic enzymatic assay using a biotinylated histone H3-derived peptide as substrate. The modified peptide is captured by the Eu-labeled antibody (Eu-Ab) and ULight-Streptavidin (SA) which bring the Eu donor and ULight acceptor dye molecules into close proximity.
In this technical note, we present the optimization of a JMJD2C epigenetic assay using as substrate a biotinylated histone H3-derived peptide tri-methylated at lysine 9. The modified peptide is captured by the Eu-labeled antibody (Eu-Ab) and ULight-Streptavidin (ULight-SA) which bring the Eu donor and ULight acceptor dye molecules into close proximity.