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DS12881479 is an inhibitor of MAP kinase-interacting serine/threonine protein kinase 1 (MNK1; IC50s = 21 and 416 nM for the inactive and active forms, respectively).1 It is selective for MNK1 over 46 other kinases but does inhibit FMS-related tyrosine kinase 3 (FLT3) and dual-specificity tyrosine phosphorylation-regulated kinase 1A (DYRK1A) at 5 µM.
WARNING This product is not for human or veterinary use.
1. A novel inhibitor stabilizes the inactive conformation of MAPK-