3VUO:
reference: Small-angle X-ray scattering reveals structural dynamics of the botulinum neurotoxin associating protein, nontoxic nonhemagglutinin., Sagane Y, Miyashita S, Miyata K, Matsumoto T, Inui K, Hayashi S, Suzuki T, Hasegawa K, Yajima S, Yamano A, Niwa K, Watanabe T, Biochem Biophys Res Commun. 2012 Aug 24;425(2):256-60. Epub 2012 Jul 22. PMID: 22828508

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