5D9S:
reference: Toxoplasma gondii peptide ligands open the gate of the HLA class I binding groove., McMurtrey C, Trolle T, Sansom T, Remesh SG, Kaever T, Bardet W, Jackson K, McLeod R, Sette A, Nielsen M, Zajonc DM, Blader IJ, Peters B, Hildebrand W, Elife. 2016 Jan 29;5. pii: e12556. doi: 10.7554/eLife.12556. PMID: 26824387

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