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Figure 2
Structure of an actin filament. (a) Schematic representation of the one-start and two-start helices and their respective pitches or half-pitches, adapted from Vahokoski et al. (2014BB114). (b) Structure of an α-actin filament (PDB entry 3g37 ; Murakami et al., 2010BB73) with one of the monomers removed. Intense surface colours indicate contact regions with the subdomains of the removed monomer (SD1, yellow; SD2, magenta; SD3, blue; SD4, turquoise). Lighter surface colours denote different monomers in the filament. (c) The removed actin monomer rotated by 180° to show the filament-facing side of the monomer.

Journal logoSTRUCTURAL BIOLOGY
COMMUNICATIONS
ISSN: 2053-230X
Volume 71| Part 5| April 2015| Pages 500-513
doi:10.1107/S2053230X1500391X
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