4HIX:
reference: Bapineuzumab captures the N-terminus of the Alzheimer's disease amyloid-beta peptide in a helical conformation., Miles LA, Crespi GA, Doughty L, Parker MW, Sci Rep. 2013 Feb 18;3:1302. doi: 10.1038/srep01302. PMID: 23416764

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