PDB ID or protein name

Classes

1.1. Alpha-helical polytopic (85 superfamilies)
1.2. Alpha-helical bitopic (45 superfamilies)
1.3. Beta-barrel transmembrane (28 superfamilies)
2.1. All alpha monotopic/peripheral (61 superfamilies)
2.2. All beta monotopic/peripheral (60 superfamilies)
2.3. Alpha/Beta monotopic/peripheral (33 superfamilies)
2.4. Alpha + Beta monotopic/peripheral (53 superfamilies)
3.1. Alpha-helical peptides (32 superfamilies)
3.2. Beta-hairpin peptides (9 superfamilies)
3.3. Beta-helical peptides (2 superfamilies)
3.4. Peptides of nonregular structure (8 superfamilies)