1CAU:
reference: Determination of three crystal structures of canavalin by molecular replacement., Ko TP, Ng JD, Greenwood A, McPherson A, Acta Crystallogr D Biol Crystallogr. 1993 Sep 1;49(Pt 5):478-89. PMID: 15299507

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