Human recombinant nucleosomesconsisting of 147 bp DNA (PCR) and 2 moleculeseach of histones H2A (a.a. 2-130(end)), H2B(a.a. 2-126(end)), H3 (a.a. 2-137(end)), and H4(a.a. 2-103(end)), expressed in an E. coliexpression system. GenBank Accession Nos. areNM_033445, NM_003528, NM_003532, andNM_003548, respectively. Each histone proteinhas an N-terminal His-tag. Total histone MW =113.8 kDa.
20 mM Tris pH 7.5, 1 mMEDTA, 1 mM DTT and 20% glycerol
Species
Human
Application
Substrate for histone methyltransferase assays. Ideal for screening small molecular inhibitors of histone methyltransferases for drug discovery and HTS applications.
Notes
The concentration of this product is determined by Bradford and represents only the protein concentration. Avoid freeze/thaw cycles.