1NUJ:
reference: Crystal structure of the leadzyme at 1.8 A resolution: metal ion binding and the implications for catalytic mechanism and allo site ion regulation., Wedekind JE, McKay DB, Biochemistry 2003 Aug 19;42(32):9554-63. PMID: 12911297

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