6WLB:
reference: Architecture of a catalytically active homotrimeric plant cellulose synthase complex., Purushotham P, Ho R, Zimmer J, Science. 2020 Jul 9. pii: science.abb2978. doi: 10.1126/science.abb2978. PMID: 32646917

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