Fold: Pilin

contains very long N-terminal helix, which end is packed against beta-sheet

Lineage:

1. Root: scop
2. Class: Alpha and beta proteins (a+b)
   Mainly antiparallel beta sheets (segregated alpha and beta regions)
3. Fold: Pilin
   contains very long N-terminal helix, which end is packed against beta-sheet

Superfamilies:

1. Pilin (1)
   1. Pilin (2)
      1. Pilin
         fiber-forming protein
         1. Gc (Neisseria gonorrhoeae) (2)
         2. Pseudomonas aeruginosa (1)