1LLF:
reference: Three-dimensional structure of homodimeric cholesterol esterase-ligand complex at 1.4 A resolution., Pletnev V, Addlagatta A, Wawrzak Z, Duax W, Acta Crystallogr D Biol Crystallogr 2003 Jan 1;59(Pt 1):50-6. PMID: 12499539

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