6H6B:
reference: Cryo-EM structure of alpha-synuclein fibrils., Guerrero-Ferreira R, Taylor NMI, Mona D, Ringler P, Lauer ME, Riek R, Britschgi M, Stahlberg H, Elife. 2018 Jul 3;7. pii: 36402. doi: 10.7554/eLife.36402. PMID: 29969391

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