5OQ3:
reference: The molecular structure of the glycoside hydrolase domain of Cwp19 from Clostridium difficile., Bradshaw WJ, Kirby JM, Roberts AK, Shone CC, Acharya KR, FEBS J. 2017 Oct 30. doi: 10.1111/febs.14310. PMID: 29083543

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