5ONV:
reference: Structural transitions of F-actin upon ATP hydrolysis at near-atomic resolution revealed by cryo-EM., Merino F, Pospich S, Funk J, Wagner T, Kullmer F, Arndt HD, Bieling P, Raunser S, Nat Struct Mol Biol. 2018 Jun;25(6):528-537. doi: 10.1038/s41594-018-0074-0. Epub, 2018 Jun 4. PMID: 29867215

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