4AXJ:
reference: Structural insight into the Clostridium difficile ethanolamine utilisation microcompartment., Pitts AC, Tuck LR, Faulds-Pain A, Lewis RJ, Marles-Wright J, PLoS One. 2012;7(10):e48360. doi: 10.1371/journal.pone.0048360. Epub 2012 Oct 29. PMID: 23144756

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