ID-8 is a DYRK inhibitor. ID 8 also stimulates proliferation at a steady rate (observed in serum-free media supplemented with 10 μM over a 30 day period).
Paprotrain is a cell-permeable inhibitor of the kinesin MKLP-2, inhibits the ATPase activity of MKLP-2 with an IC50 of 1.35 μM and a Ki of 3.36 μM and shows a moderate inhibition activity on DYRK1A with an IC50 of 5.5 μM.