1CD8:
reference: Crystal structure of a soluble form of the human T cell coreceptor CD8 at 2.6 A resolution., Leahy DJ, Axel R, Hendrickson WA, Cell 1992 Mar 20;68(6):1145-62. PMID: 1547508

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