From BioClin Gets $30M to Back More Bladder Cancer Drug Trials:

Fibroblast growth factor receptor 3 (FGFR3)
Fibroblast growth factor receptor 3 (FGFR3)

Public domain image of Fibroblast growth factor receptor 3 (FGFR3) by Jawahar Swaminathan of the European Bioinformatics Institute.