2FQA: Violacin A
reference: Discovery and Characterization of a Linear Cyclotide from Viola odorata: Implications for the Processing of Circular Proteins., Ireland DC, Colgrave ML, Nguyencong P, Daly NL, Craik DJ, J Mol Biol. 2006 Apr 14;357(5):1522-1535. Epub 2006 Feb 2. PMID: 16488428

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