4B9I:
reference: Crystal structure of enterotoxigenic Escherichia coli colonization factor CS6 reveals a novel type of functional assembly., Roy SP, Rahman MM, Yu XD, Tuittila M, Knight SD, Zavialov AV, Mol Microbiol. 2012 Oct 10. doi: 10.1111/mmi.12044. PMID: 23046340

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