Fig. 3 (IMAGE)
Caption
Comparison of the P-ring structures in the PaPR and basal body.
The P-ring in the PaPR (assembly intermediate) is tilted by approximately 3º relative to the rod axis, whereas the P-ring in the basal body (matured form) is perpendiculer to the rod axis. The red and blue double-sided arrows are the major and minor axes of the fitted ellipses, respectively. The P-ring in the PaPR is slightly elliptical, whereas that of the basal body is a nearly perfect circle.
Credit
Adapted from Figure 2c of "Structural insights into the assembly mechanism of the molecular bushing in the bacterial flagellar motor" by Tomoko Yamaguchi et al., 2026, Communications Biology
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