1QI9:
reference: X-ray structure determination of a vanadium-dependent haloperoxidase from Ascophyllum nodosum at 2.0 A resolution., Weyand M, Hecht H, Kiess M, Liaud M, Vilter H, Schomburg D, J Mol Biol 1999 Oct 29;293(3):595-611. PMID: 10543953

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