3X17:
reference: Structure, activity, and stability of metagenome-derived glycoside hydrolase family 9 endoglucanase with an N-terminal Ig-like domain., Okano H, Kanaya E, Ozaki M, Angkawidjaja C, Kanaya S, Protein Sci. 2014 Dec 26. doi: 10.1002/pro.2632. PMID: 25545469

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