1HLC:
reference: X-ray crystal structure of the human dimeric S-Lac lectin, L-14-II, in complex with lactose at 2.9-A resolution., Lobsanov YD, Gitt MA, Leffler H, Barondes SH, Rini JM, J Biol Chem 1993 Dec 25;268(36):27034-8. PMID: 8262940

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