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Fig. 5 | Advanced Structural and Chemical Imaging

Fig. 5

From: In situ structure of FtsZ mini-rings in Arabidopsis chloroplasts

Fig. 5

Molecular details in an FtsZ mini-ring strand. a Central section from a 3D tomographic reconstruction of an in situ mini-ring revealing individual filamentous strands. b, c Zooming into the areas highlighted shows periodic densities as part of an individual strand. d Contrast-inverted final enlargement of three periodic densities extending over 12.6 nm with a 4.2-nm repeat. Length scale, periodicity and shape are in excellent agreement with the X-ray structure of an FtsZ protofilament in e. Fitted atomic structures of individual FtsZ subunits are shown in green. Scale bars correspond to 100 nm in a and 10 nm in b

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