3MGB:
reference: Crystal structures of the glycopeptide sulfotransferase Teg12 in a complex with the teicoplanin aglycone., Bick MJ, Banik JJ, Darst SA, Brady SF, Biochemistry. 2010 May 18;49(19):4159-68. PMID: 20361791

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