3UL2:
reference: Affinity of a galactose-specific legume lectin from Dolichos lablab to adenine revealed by X-ray cystallography., Shetty KN, Latha VL, Rao RN, Nadimpalli SK, Suguna K, IUBMB Life. 2013 Jul;65(7):633-44. doi: 10.1002/iub.1177. PMID: 23794513

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