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. Author manuscript; available in PMC: 2017 Mar 21.
Published in final edited form as: Nature. 2016 Sep 21;538(7623):60–65. doi: 10.1038/nature19757

Extended Data Figure 3. Helical shifts and overall flexibility in the ExbB pentamer.

Extended Data Figure 3

A. Two pentamers were observed per asymmetric unit within the crystal structure. Shown here is pentamer 1 (green) aligned with pentamer 2 (magenta), illustrating slight shifts in a number of the helices (cylinders) between the two pentamers, with the largest shifts indicated by the black arrows. Further, the loops connecting α6 and α7 also show variability between monomers and pentamers. B. The TonB subcomplex (ExbB/ExbDΔperi) showing a B-factor putty representation with values ranging from the most ordered in blue to the most disordered in red.