1K49:
reference: Structural definition of the active site and catalytic mechanism of 3,4-dihydroxy-2-butanone-4-phosphate synthase., Liao DI, Zheng YJ, Viitanen PV, Jordan DB, Biochemistry 2002 Feb 12;41(6):1795-806. PMID: 11827524

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