Table 3: IC50 Values (in nM) of Inhibitors in the Three Trk Assays

TrkA TrkB TrkC
NGF Thaps BDNF Thaps NT-3 Thaps
K252a 13 570* 11 >1000 30 500*
AG879 1326 112 1011 51 1308 231
GW44176 231 2831* 141 8205* 460 8970*

* Values may not be accurate as the curves did not reach saturation.