[ABCDEFGH](a)
Classes:
- All alpha proteins0
- 1
- Alpha and beta proteins (a+b)0
- Alpha and beta proteins (a/b)0
- 1
- Coiled coil proteins0
- Designed proteins0
- 1
- Membrane and cell surface proteins and peptides0
- Multi-domain proteins (alpha and beta)0
- 11
- Peptides0
- Small proteins0
* Number of PDB entries of each Class
