2HYK:
reference: The 1.3 A crystal structure of a novel endo-beta-1,3-glucanase of glycoside hydrolase family 16 from alkaliphilic Nocardiopsis sp. strain F96., Fibriansah G, Masuda S, Koizumi N, Nakamura S, Kumasaka T, Proteins. 2007 Aug 24;69(3):683-690. PMID: 17879342

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