2OVB:
reference: Crystal structure of StaL, a glycopeptide antibiotic sulfotransferase from Streptomyces toyocaensis., Shi R, Lamb SS, Bhat S, Sulea T, Wright GD, Matte A, Cygler M, J Biol Chem. 2007 Apr 27;282(17):13073-86. Epub 2007 Feb 28. PMID: 17329243

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