4XPL:
reference: Structural analysis of PseH, the Campylobacter jejuni N-acetyltransferase involved in bacterial O-linked glycosylation., Song WS, Nam MS, Namgung B, Yoon SI, Biochem Biophys Res Commun. 2015 Mar 20;458(4):843-8. doi:, 10.1016/j.bbrc.2015.02.041. Epub 2015 Feb 16. PMID: 25698400

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