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. 2015 Jun 3;197(13):2229–2238. doi: 10.1128/JB.00220-15

FIG 1.

FIG 1

The type IV pilus system in P. aeruginosa. (A) Components of the type IV pilus proteins are labeled according to P. aeruginosa nomenclature. Components include the outer membrane (OM) secretin subcomplex (red), the inner membrane (IM) motor subcomplex (green), the IM alignment subcomplex (dark blue), and the pilus fiber (purple). (Adapted from reference 11.) PG, peptidoglycan. (B) Cartoon representation of two alignment subcomplex components, PilN (blue) and PilO (gray), indicating the approximate locations of residue substitutions (black). The three regions examined in this study, i.e., the core region, the coiled-coil region, and the transmembrane segment (TMS), are indicated on right. ch, chimera.