1VAM:
reference: The crystal structure of the complexes of concanavalin A with 4'-nitrophenyl-alpha-D-mannopyranoside and 4'-nitrophenyl-alpha-D-glucopyranoside., Kanellopoulos PN, Pavlou K, Perrakis A, Agianian B, Vorgias CE, Mavrommatis C, Soufi M, Tucker PA, Hamodrakas SJ, J Struct Biol 1996 May-Jun;116(3):345-55. PMID: 8812993

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