6S0S:
reference: A study on the structure, mechanism and biochemistry of kanamycin B dioxygenase (KanJ) - an enzyme with a broad range of substrates., Mrugala B, Milaczewska A, Porebski PJ, Niedzialkowska E, Guzik M, Minor W, Borowski T, FEBS J. 2020 Jun 27. doi: 10.1111/febs.15462. PMID: 32592631

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