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    Haspin Kinase

    Haspin is a protein kinase that regulates chromosome and spindle function during mitosis and meiosis. Haspin expression is detected in fetal liver, skin, kidney, small intestine and in all proliferating cells. Haspin phosphorylates H3 thr3 (H3T3ph) in human cell lines and depletion of Haspin by RNA interference reveals that Haspin is required for H3 thr3 phosphorylation in mitotic cells. Phosphorylation of H3T3ph by Haspin is necessary for chromosomal passenger complex (CPC) accumulation at centromeres. H3T3ph then positions the CPC at centromeres to regulate selected targets of Aurora B during mitosis.


    Catalog No. Name Description
    GY02389 CHR-6494 CHR-6494 is a potent inhibitor of haspin, inhibiting histone H3T3 phosphorylation, with an IC50 of 2 nM.
    GY02880 LDN-192960 LDN-192960 is a potent Haspin (Haploid Germ Cell-Specific Nuclear Protein Kinase) inhibitor with an IC50 of 0.010 µM.