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. Author manuscript; available in PMC: 2011 Feb 2.
Published in final edited form as: Biochem J. 2009 Feb 15;418(1):49–59. doi: 10.1042/BJ20081462

Figure 10. (A) Crystal structure of TonB-92 (92-residue C-terminal fragment) from E. coli, redrawn from the co-ordinates given by Koedding et al. [13].

Figure 10

Subunit A is coloured blue and subunit B is coloured dark green. Residues 235–239 are highlighted in red to emphasize which residues are absent in TonB2 from V. anguillarum. (B) Crystal structure of an intertwined dimer form of TonB-CTD from E. coli [11,12]. The colour scheme is the same as in (A).