3R8R:
reference: Conservation of structure and mechanism within the transaldolase enzyme family., Samland AK, Baier S, Schurmann M, Inoue T, Huf S, Schneider G, Sprenger GA, Sandalova T, FEBS J. 2011 Dec 25. doi: 10.1111/j.1742-4658.2011.08467.x. PMID: 22212631

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