Fig. 5.
Two states of the BAM complex. (A) The transmembrane region of BamA exhibits lateral opening between strands 1 and 16 (PDB ID 5D0Q).The closed state is shown in (B) (PDB ID 5D0O). BamA (red), BamB (green), BamC (blue), BamD (magenta), BamE (cyan). Note that the open state was crystallized without BamB. This figure is reproduced with permission from Ref [72].