4QLO:
reference: Structure of homoserine O-acetyltransferase from Staphylococcus aureus: the first Gram-positive ortholog structure., Thangavelu B, Pavlovsky AG, Viola R, Acta Crystallogr F Struct Biol Commun. 2014 Oct;70(Pt 10):1340-5. doi:, 10.1107/S2053230X14018664. Epub 2014 Sep 25. PMID: 25286936

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