1JEF:
reference: X-ray structure of turkey-egg lysozyme complex with tri-N-acetylchitotriose. Lack of binding ability at subsite A., Harata K, Muraki M, Acta Crystallogr D Biol Crystallogr. 1997 Nov 1;53(Pt 6):650-7. PMID: 15299852

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