6NPT:
reference: Deciphering the Allosteric Binding Mechanism of the Human Tropomyosin Receptor Kinase A ( hTrkA) Inhibitors., Subramanian G, Johnson PD, Zachary T, Roush N, Zhu Y, Bowen SJ, Janssen A, Duclos BA, Williams T, Javens C, Shalaly ND, Molina DM, Wittwer AJ, Hirsch JL, ACS Chem Biol. 2019 May 14. doi: 10.1021/acschembio.9b00126. PMID: 31059222

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