6YOA:
reference: Lig v 1 structure and the inflammatory response to the Ole e 1 protein family., Robledo Retana T, Bradley-Clarke J, Croll T, Rose R, Hoti I, Stagg AJ, Villalba M, Pickersgill RW, Allergy. 2020 Sep;75(9):2395-2398. doi: 10.1111/all.14351. Epub 2020 Jun 9. PMID: 32359174

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