2QIA:
reference: Structural basis for the acyl chain selectivity and mechanism of UDP-N-acetylglucosamine acyltransferase., Williams AH, Raetz CR, Proc Natl Acad Sci U S A. 2007 Aug 21;104(34):13543-50. Epub 2007 Aug 13. PMID: 17698807

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