| Protein Domain and motif databases | |
| BLOCKS db | |
| BLOCKS | |
| husar | |
| Pfam | Protein families db |
| PRINTS | Protein Motif fingerprint db |
| PROSITE | PROSITE dictionary of protein sites and patterns |
| sbase | |
| SMART | Simple Modular Architecture Research Tool |
| TIGRFAMs | TIGR protein families db |