5YGM:
reference: Heterometal-coordinated monomeric concanavalin A at pH 7.5 from Canavalia ensiformis., Chung NJ, Park YR, Lee DH, Park JH, Lee SJ, J Microbiol Biotechnol. 2017 Oct 13. doi: 10.4014/jmb.1709.09057. PMID: 29025256

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