PRDM9 Methyltransferase


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Cat.No.:  PE-3032
Product Name:  PRDM9 Methyltransferase
Description:  Human recombinant PRDM9 expressed in Sf9 insect cells with an N-terminal GST-tag. Catalyzes the transfer of methyl groups from S-adenosyl-L-methionine (SAM) to the epsilon-amino function of protein L-lysine residues, specifically histone H3 lysine-4 (H3K4). Expressed only in meiotic male and female germ cells, PRDM9 is required for fully-functional pairing of homologous chromosomes, double strand break repair, meiotic progression and fertility. PRDM9 binds, via its C-terminal array of zinc fingers (ZnFs), to sequence motifs associated with “hotspots” for homologous recombination (crossovers). Such hotspots are enriched for trimethylated histone H3 lysine-4 (H3K4me3), presumably the result of PRDM9’s H3K4 methyltransferase activity, and part of PRDM9’s role may be to direct meiotic recombination events away from non-PRDM9 H3K4me3 marks, such as those in promoters. PRDM9’s histone methyltransferase activity has received relatively little study, although results with the E. coli-expressed mouse enzyme imply that it is an H3K4 trimethylase that only catalyzes the H3K4me2 to H3K4me3 transition.
Storage:  Store at 4℃ if entire vial will be used within 2-4 weeks. Store at -20℃ or -80℃ for longer periods of time. Avoid multiple freeze-thaw cycles.
Molecular Weight:  76.3 kDa
Species:  Human
Formulation:  Solution of purified recombinant protein in 50 mM Tris/HCl pH 7.5, 500 mM NaCl, 1 mM TCEP, 10% glycerol (v/v).
Accession#:  NM_020227
Tag:  GST
Expression System:  Sf9 Insect Cells
Protein Length:  2-414
Warning:  This product is for research use only. Not for use in diagnostic or therapeutic procedures.

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