Figure 7.

Haddock model of the interaction between a FtsZ filament and the ZapA tetramer. (A) and (B). Front and back side view of a closeup of the interaction site with the interacting amino acid residues of both proteins indicated. (C) Distances between the C_α atoms (spheres) of residue K42 of ZapA and residues K51 and K66 of FtsZ that were found to cross-link. (D) Front and side view of the interacting proteins. (E) Frontal overview of a FtsZ filament consisting of three monomers and the interacting ZapA tetramer. (D) Side view of the same molecules with a second FtsZ filament and the cytoplasmic membrane indicated. The grey spheres at the interface of the FtsZ monomers is GTP.