Potent and selective protein kinase C inhibitor which has been used effectively in platelets, Swiss 3T3 fibroblasts and macrophages. Inhibitory profile: PKC, IC50=0.02µM (inhibits α, ßI, ßII and γ subtypes with similar potency); PKA, IC50=2.0µM; phosphorylase kinase, IC50=0.7µM; insulin, EGF and PDGF receptor tyrosine kinases are not inhibited at concentrations up to 50µM. Alternative name: 2-[1-(3-Dimethylaminopropyl)-1H-indol-3-yl]-3-(1H-indol-3-yl)maleimide, Bisindolylmaleimide I. Purity: ≥98% (HPLC). Solubility: Soluble in dimethyl formamide or DMSO (10mg/ml, warm to 40°C and vortex well). . Long Term Storage: -20°C.