1HZK:
reference: Solution structures of C-1027 apoprotein and its complex with the aromatized chromophore., Tanaka T, Fukuda-Ishisaka S, Hirama M, Otani T, J Mol Biol 2001 May 25;309(1):267-83. PMID: 11491295

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