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. 2020 Jul 8;117(29):16985–16991. doi: 10.1073/pnas.2010996117

Fig. 1.

Fig. 1.

Cryo-EM structure of the C. jejuni G508A flagellar filament. (A) Cryoelectron micrograph of the flagellar filaments. (Scale bar, 40 nm.) (B) Side view of the 3.5-Å resolution C. jejuni G508A density map. (C) A top view of the density map shows 11 protofilaments. A model of a single flagellin subunit (orange) is fit into the map. (D) The model of a single C. jejuni G508A flagellin fit into its corresponding electron density. (E) A blowup showing the quality of the map around residues 50 to 160. (F) Comparison of the C. jejuni and S. typhimurium flagellins. The inner core domains (D0 and D1) are in pink, and are shown in the same orientation. The outer domains for C. jejuni (D2, D3, and D4) and S. typhimurium (D2 and D3) are shown in cyan.