AnnH31 is a Dyrk1A inhibitor (IC50: 81 nM). AnnH31 also inhibits MAO-A with an IC50 of 3.2 μM.
References:
[1]. Rüben K, et al. Selectivity Profiling and Biological Activity of Novel β-Carbolines as Potent and Selective DYRK1 Kinase Inhibitors. PLoS One. 2015 Jul 20;10(7):e0132453.
















