1N0H:
reference: The crystal structures of Klebsiella pneumoniae acetolactate synthase with enzyme-bound cofactor and with an unusual intermediate., Pang SS, Duggleby RG, Schowen RL, Guddat LW, J Biol Chem 2004 Jan 16;279(3):2242-53. Epub 2003 Oct 13. PMID: 14557277

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