3Q3E:
reference: Structural insights into the glycosyltransferase activity of the Actinobacillus pleuropneumoniae HMW1C-like protein., Kawai F, Grass S, Kim Y, Choi KJ, St Geme JW, Yeo HJ, J Biol Chem. 2011 Sep 9. PMID: 21908603

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