1C3M:
reference: Helianthus tuberosus lectin reveals a widespread scaffold for mannose-binding lectins., Bourne Y, Zamboni V, Barre A, Peumans WJ, Van Damme EJ, Rouge P, Structure Fold Des 1999 Dec 15;7(12):1473-82. PMID: 10647178

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