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. Author manuscript; available in PMC: 2019 Jan 2.
Published in final edited form as: Nat Struct Mol Biol. 2018 Jul 2;25(7):583–590. doi: 10.1038/s41594-018-0086-9

Fig. 3. The P5Q4R1 complex is a right-handed helical assembly with helical parameters consistent with flagellar and injectisome assemblies.

Fig. 3

(A) Space filling representation of the P5Q4R1 complex with R (yellow), P (shades of blue) and Q (shades of red). (B) (i) the surface of the P5R1 complex is coloured according to hydrophobicity (orange-hydrophobic; blue-charged) whilst the four copies of Q packing against a hydrophobic surface on this complex are shown as grey ribbons in (ii) the scheme is reversed and viewed from the opposite side of the complex to reveal the hydrophobic surface on the back of Q against which the P5R1 complex packs (iii) zooms in on some of the specific hydrophobic residues buried on assembly of Q. (C) Intra-molecular salt bridges within P (D) Inter-molecular salt-bridges between copies of Q and R are shown.