1JAZ:
reference: Crystal structure of active site mutant of antileukemic L-asparaginase reveals conserved zinc-binding site., Borek D, Kozak M, Pei J, Jaskolski M, FEBS J. 2014 Sep;281(18):4097-111. doi: 10.1111/febs.12906. Epub 2014 Jul 28. PMID: 25040257

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