1U0U:
reference: An aldol switch discovered in stilbene synthases mediates cyclization specificity of type III polyketide synthases., Austin MB, Bowman ME, Ferrer JL, Schroder J, Noel JP, Chem Biol 2004 Sep;11(9):1179-94. PMID: 15380179

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