3LEK:
reference: Structure of the lectin regulatory domain of the cholesterol-dependent cytolysin lectinolysin reveals the basis for its lewis antigen specificity., Feil SC, Lawrence S, Mulhern TD, Holien JK, Hotze EM, Farrand S, Tweten RK, Parker MW, Structure. 2012 Feb 8;20(2):248-58. PMID: 22325774

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