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. Author manuscript; available in PMC: 2012 Feb 9.
Published in final edited form as: Structure. 2011 Feb 9;19(2):265–276. doi: 10.1016/j.str.2010.12.005

Figure 3. β4-β5 loop is a key element of the interface between symmetry-related heterodimers.

Figure 3

A. β4-β5 loop from the symmetry-related R′-subunit is marked by the yellow arrow. It docks to the αF-αG loop of the C-subunit and the extended N-Linker of the R-subunit. B. Sequence alignment of β4-β5 loops from different R-subunits. Four residues from the β4-β5 docking interface are shaded grey, universally conserved glycines are shaded yellow. C. A close-up view of the β4-β5 loop docking interface. Aliphatic parts of the interacting residues are shown as surfaces.