Fold: Leukocidin (pore-forming toxin)

subunit fold contains beta-sandwich of Ig-like (grek-key) topology
heptameric fold contains barrel (n=14, S=14) formed by beta-ribbon arms, one from each subunit

Lineage:

1. Root: scop
2. Class: Membrane and cell surface proteins and peptides
   Does not include proteins in the immune system
3. Fold: Leukocidin (pore-forming toxin)
   subunit fold contains beta-sandwich of Ig-like (grek-key) topology
   heptameric fold contains barrel (n=14, S=14) formed by beta-ribbon arms, one from each subunit

Superfamilies:

1. Leukocidin (pore-forming toxin) (1)
   1. Leukocidin (pore-forming toxin) (3)
      1. Alpha-hemolysin
         1. Staphylococcus aureus (1)
      2. Leucocidin K component LukF-PV
         1. Staphylococcus aureus (1)
      3. Leukocidin F (HlgB)
         1. Staphylococcus aureus (3)