2KIB:
reference: Unique identification of supramolecular structures in amyloid fibrils by solid-state NMR spectroscopy., Nielsen JT, Bjerring M, Jeppesen MD, Pedersen RO, Pedersen JM, Hein KL, Vosegaard T, Skrydstrup T, Otzen DE, Nielsen NC, Angew Chem Int Ed Engl. 2009;48(12):2118-21. PMID: 19130518

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