3HEY:
reference: Structural consequences of beta-amino acid preorganization in a self-assembling alpha/beta-peptide: fundamental studies of foldameric helix bundles., Price JL, Horne WS, Gellman SH, J Am Chem Soc. 2010 Sep 8;132(35):12378-87. PMID: 20718422

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