| Class b: All beta proteins [48724] (93 folds) |
| Fold b.50: Acid proteases [50629] (1 superfamily) |
Superfamily b.50.1: Acid proteases [50630] (2 families) ![]() |
| Family b.50.1.1: Retroviral protease (retropepsin) [50631] (7 proteins) |
| EIAV protease [50644] (1 species) |
| Species Equine infectious anemia virus [TaxId:11665] [50645] (2 PDB entries) |
| Feline immunodeficiency virus (FIV) protease [50638] (1 species) |
| Species Feline immunodeficiency virus [TaxId:11673] [50639] (7 PDB entries) |
| Human immunodeficiency virus type 1 protease [50632] (1 species) |
| Species Human immunodeficiency virus type 1 [TaxId:11676] [50633] (108 PDB entries) |
| Human immunodeficiency virus type 2 (HIV-2) protease [50634] (1 species) |
| Species Human immunodeficiency virus type 2 [TaxId:11709] [50635] (15 PDB entries) |
| Myeloblastosis-associated viral protease [50642] (1 species) |
| Species Myeloblastosis associated virus [50643] (1 PDB entry) |
| Rous sarcoma virus protease [50640] (1 species) |
| Species Rous sarcoma virus, strain pr-C [TaxId:11886] [50641] (2 PDB entries) |
| Simian immunodeficiency virus (SIV) protease [50636] (1 species) |
| Species Simian immunodeficiency virus, different strains [TaxId:11723] [50637] (10 PDB entries) |
Timeline for Family b.50.1.1: Retroviral protease (retropepsin):