6MZW:
reference: TAS-120 Cancer Target Binding: Defining Reactivity and Revealing the First Fibroblast Growth Factor Receptor 1 (FGFR1) Irreversible Structure., Kalyukina M, Yosaatmadja Y, Middleditch MJ, Patterson AV, Smaill JB, Squire CJ, ChemMedChem. 2019 Jan 2. doi: 10.1002/cmdc.201800719. PMID: 30600916

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).