3J8J:
reference: Near-atomic resolution for one state of f-actin., Galkin VE, Orlova A, Vos MR, Schroder GF, Egelman EH, Structure. 2015 Jan 6;23(1):173-82. doi: 10.1016/j.str.2014.11.006. Epub 2014 Dec, 18. PMID: 25533486

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