5HBF:
reference: X-Ray Crystal Structure of the Full Length Human Chitotriosidase (CHIT1) Reveals Features of Its Chitin Binding Domain., Fadel F, Zhao Y, Cousido-Siah A, Ruiz FX, Mitschler A, Podjarny A, PLoS One. 2016 Apr 25;11(4):e0154190. doi: 10.1371/journal.pone.0154190., eCollection 2016. PMID: 27111557

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