2BAF:
reference: Identification of an Ordered Compact Structure within the Recombinant Bovine Fibrinogen alphaC-Domain Fragment by NMR., Burton RA, Tsurupa G, Medved L, Tjandra N, Biochemistry. 2006 Feb 21;45(7):2257-2266. PMID: 16475814

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