6CBK:
reference: The Three-Dimensional Structure of NeoB: An Aminotransferase Involved in the Biosynthesis of Neomycin., Dow GT, Thoden JB, Holden HM, Protein Sci. 2018 Mar 8. doi: 10.1002/pro.3400. PMID: 29516565

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