3ESW:
reference: Structural and Mutational Studies on the Importance of Oligosaccharide Binding for the Activity of Yeast PNGase., Zhao G, Li G, Zhou X, Matsuo I, Ito Y, Suzuki T, Lennarz WJ, Schindelin H, Glycobiology. 2008 Oct 14. PMID: 18854368

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