| Class f: Membrane and cell surface proteins and peptides [56835] (12 folds) |
| f.1: Toxins' membrane translocation domains [56836] (5 superfamilies) |
| f.2: Membrane all-alpha [56868] (1 superfamily) |
| f.3: Light-harvesting complex subunits [56917] (1 superfamily) |
| f.4: Transmembrane beta-barrels [56924] (4 superfamilies) |
| f.5: Integral outer membrane protein TolC, efflux pump component [56953] (1 superfamily) |
| f.6: Leukocidin (pore-forming toxin) [56958] (1 superfamily) |
| f.7: Lipovitellin-phosvitin complex [56967] (1 superfamily) |
| f.8: (Pro)aerolysin, pore-forming lobe [56972] (1 superfamily) |
| f.9: Perfringolysin [56977] (1 superfamily) |
| f.10: Envelope glycoprotein, central and dimerisation domains [56982] (1 superfamily) |
| f.11: Anthrax protective antigen [56987] (1 superfamily) |
| f.12: Head and neck region of the ectodomain of NDV fusion glycoprotein [69921] (1 superfamily) |
Timeline for Class f: Membrane and cell surface proteins and peptides: