| Class d: Alpha and beta proteins (a+b) [53931] (388 folds) |
| Fold d.3: Cysteine proteinases [54000] (1 superfamily) consists of one alpha-helix and 4 strands of antiparallel beta-sheet and contains the catalytic triad Cys-His-Asn |
Superfamily d.3.1: Cysteine proteinases [54001] (24 families) ![]() the constitute families differ by insertion into and circular permutation of the common catalytic core made of one alpha-helix and 3-strands of beta-sheet |
| Family d.3.1.23: Papain-like viral protease catalytic domain [310648] (2 proteins) C-terminal part of Pfam PF08715 |
| Papain-like protease PLpro, catalytic domain [310795] (4 species) |
| Species Human betacoronavirus 2c EMC/2012 [TaxId:1235996] [311055] (5 PDB entries) |
| Species Human betacoronavirus 2c jordan-n3/2012 [TaxId:1306931] [311427] (5 PDB entries) |
| Species SARS coronavirus [TaxId:227859] [311054] (1 PDB entry) |
| Species Severe acute respiratory syndrome coronavirus 2 [TaxId:2697049] [383236] (1 PDB entry) |
| automated matches [310868] (6 species) not a true protein |
| Species Betacoronavirus england 1 [TaxId:1263720] [311420] (1 PDB entry) |
| Species Human coronavirus emc [TaxId:1263720] [311464] (1 PDB entry) |
| Species Human sars coronavirus [TaxId:227859] [333837] (3 PDB entries) |
| Species SARS coronavirus [TaxId:227859] [311282] (4 PDB entries) |
| Species Sars coronavirus [TaxId:228330] [311412] (2 PDB entries) |
| Species Severe acute respiratory syndrome coronavirus 2 [TaxId:2697049] [385225] (32 PDB entries) |
Timeline for Family d.3.1.23: Papain-like viral protease catalytic domain: