2WQT:
reference: Assembly of a 20-nm Protein Cage by Escherichia coli 2-Hydroxypentadienoic Acid Hydratase., Montgomery MG, Coker AR, Taylor IA, Wood SP, J Mol Biol. 2010 Jan 4. PMID: 20053352

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