产品描述:
DOT1L is a protein methyltransferase (PMT). It is the only enzyme known to methylate histone 3 at lysine 79 (H3K79), where it catalyzes mono-, di-, and trimethylation.{21195} Proper DOT1L function is necessary for transcriptional activation of many genes, DNA damage repair, and cell cycle regulation.{21198} SGC0946 is a potent inhibitor of DOT1L (IC50 = 0.3 nM) developed by the Structural Genomics Consortium (SGC). It is over 100-fold selective over other PMTs. It is active in cells, reducing H3K79 dimethylation in A431 and MCF10A cells (IC50s = 2.6 and 8.8 nM, respectively). SGC0946 is a brominated analog of EPZ004777, an S-adenosylmethionine-competitive inhibitor of DOT1L.{27033} Both SGC0946 and EPZ004777 selectively kill mixed lineage leukemia (MLL) cells, in which DOT1L is aberrantly localized via interaction with an oncogenic MLL fusion protein.{27033} The negative control, SGC0649, for SGC0956 is also available exclusively through the SGC. You can submit a request to receive the negative control here.