The Histone H3(K9) Universal Methyltransferase Assay Kit is designed for the detection of histone H3(K9) methyltransferase (HMT) activity in screening and profiling applications. The key to the Histone H3(K9) Universal Methyltransferase Assay Kit is a highly specific antibody that recognizes methylated K9 residue of Histone H3. With this kit, only three simple steps on a microtiter plate are required for methyltransferase detection. First, Sadenosylmethionine is incubated with a sample containing assay buffer and methyltransferase enzyme for one hour. Next, primary antibody is added. Finally, the plates are treated with an HRP-labeled secondary antibody followed by addition of the HRP substrate to produce chemiluminescence that can then be measured using a chemiluminescence reader.

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