3QQT:
reference: Amphiphilic nanotubes in the crystal structure of a biosurfactant protein hydrophobin HFBII., Kallio JM, Rouvinen J, Chem Commun (Camb). 2011 Sep 21;47(35):9843-5. Epub 2011 Aug 2. PMID: 21808803

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