| 2WQQ: reference: NMR Spectroscopic Characterization of the Sialyltransferase CstII from Camplyobacter jejuni: Histidine 188 is the General Base., Chan PH, Lairson LL, Lee HJ, Wakarchuk WW, Strynadka NC, Withers SG, McIntosh LP, Biochemistry. 2009 Oct 13. PMID: 19824695 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).