4NXY:
reference: Insights Into the Specificity of Lysine Acetyltransferases., Tucker AC, Taylor KC, Rank KC, Rayment I, Escalante-Semerena JC, J Biol Chem. 2014 Nov 7. pii: jbc.M114.613901. PMID: 25381442

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