1DXJ:
reference: Structure of jack bean chitinase., Hahn M, Hennig M, Schlesier B, Hohne W, Acta Crystallogr D Biol Crystallogr 2000 Sep;56 ( Pt 9):1096-9. PMID: 10957628

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