PathwayStep4092 PathwayStep4093 Autocatalytic phosphorylation of FGFR3b FGFR3b binds to FGF FGFR3b ligand binding and activation Authored: de Bono, B, 2007-01-10 10:27:18 GENE ONTOLOGYGO:0008543 Pubmed16597617 Reactome Database ID Release 43190371 Reactome, http://www.reactome.org ReactomeREACT_9508 Reviewed: Mohammadi, M, 2007-02-06 21:44:35 This pathway depicts the binding of an experimentally-verified range of ligands to FGFR3b. While binding affinities may vary considerably within this set, the ligands listed have been established to bring about receptor activation at their reported physiological concentrations.