6ELX:
reference: The elusive ligand complexes of the DWARF14 strigolactone receptor., Carlsson GH, Hasse D, Cardinale F, Prandi C, Andersson I, J Exp Bot. 2018 Apr 23;69(9):2345-2354. doi: 10.1093/jxb/ery036. PMID: 29394369

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