LFM-A13

FM-A13 is a selective inhibitor of Bruton’s tyrosine kinase (BTK) – IC₅₀’s = 2.5 µM (recombinant BTK) and 17.2 µM (human BTK). It has also been shown to inhibit Polo-like kinase (PLK) (IC₅₀ = 61 µM for human PLK3). It displays no activity (concentrations up to 278 µM) at JAK1, JAK3, HCK, EGFRK and IRK2 or CDK1-3, CHK1, IKK, MAPK1, SAPK2a and ten tyrosine kinases.