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. 2018 Aug 31;7:e40889. doi: 10.7554/eLife.40889

Figure 8. Model of RMH folding and membrane insertion.

Figure 8.

The Lys-Arg (green) and the Ser-Pro (orange) motifs facilitate formation of the RMH and insertion into the membrane in an early co-translational event. The positively-charged Lys-Arg motif favors localization of the N-terminus to the cytoplasm (top panel). The Ser-Pro motif creates the characteristic break in the RMH (middle panel), resulting in insertion of the RMH into the membrane in a reentrant topology. Following translation of the globular domain, both motifs further contribute to the overall stability of the PglC fold (bottom panel).