1VBR:
reference: Structural basis of the substrate subsite and the highly thermal stability of xylanase 10B from Thermotoga maritima MSB8., Ihsanawati, Kumasaka T, Kaneko T, Morokuma C, Yatsunami R, Sato T, Nakamura S, Tanaka N, Proteins. 2005 Dec 1;61(4):999-1009. PMID: 16247799

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