3NIB:
reference: The 2.7 A resolution structure of the glycopeptide sulfotransferase Teg14., Bick MJ, Banik JJ, Darst SA, Brady SF, Acta Crystallogr D Biol Crystallogr. 2010 Dec;66(Pt 12):1278-86. Epub 2010, Nov 16. PMID: 21123867

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