3RYL:
reference: Mechanism of actin filament nucleation by Vibrio VopL and implications for tandem W domain nucleation., Namgoong S, Boczkowska M, Glista MJ, Winkelman JD, Rebowski G, Kovar DR, Dominguez R, Nat Struct Mol Biol. 2011 Aug 28;18(9):1060-7. doi: 10.1038/nsmb.2109. PMID: 21873985

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