3CWN:
reference: Replacement of a Phenylalanine by a Tyrosine in the Active Site Confers Fructose-6-phosphate Aldolase Activity to the Transaldolase of Escherichia coli and Human Origin., Schneider S, Sandalova T, Schneider G, Sprenger GA, Samland AK, J Biol Chem. 2008 Oct 31;283(44):30064-72. Epub 2008 Aug 7. PMID: 18687684

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