[A2](A)
Classes:
- All alpha proteins0
- 3
- 6
- 2
- 6
- Coiled coil proteins0
- Designed proteins0
- Low resolution protein structures0
- Membrane and cell surface proteins and peptides0
- Multi-domain proteins (alpha and beta)0
- 22
- Peptides0
- Small proteins0
* Number of PDB entries of each Class