4ZTC:
reference: Structure of the external aldimine form of PglE, an aminotransferase required for N,N'-diacetylbacillosamine biosynthesis., Riegert AS, Young NM, Watson DC, Thoden JB, Holden HM, Protein Sci. 2015 Jul 14. doi: 10.1002/pro.2745. PMID: 26178292

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