| Target ID | Target Name | Target Organism | # Natural Product | # Activity Record |
|---|---|---|---|---|
| NPT469 | Cathepsin L | Homo sapiens | 12 | 14 |
| NPT200 | SARS coronavirus 3C-like proteinase | SARS coronavirus | 9 | 35 |
| NPT201 | Papain | Carica papaya | 19 | 22 |
| NPT215 | Cathepsin B | Mus musculus | 2 | 2 |
| NPT214 | Cathepsin B | Homo sapiens | 15 | 42 |
| NPT5220 | Mucosa-associated lymphoid tissue lymphoma translocation protein 1 | Homo sapiens | 1 | 2 |
| NPT5077 | Cathepsin B | Bos taurus | 8 | 8 |
| NPT4211 | Caspase-8 | Homo sapiens | 5 | 6 |
| NPT1226 | Caspase-7 | Homo sapiens | 56 | 67 |
| NPT5802 | Cysteine protease ATG4B | Homo sapiens | 1 | 1 |
| NPT2265 | Caspase-9 | Homo sapiens | 4 | 5 |
| NPT6575 | Caspase-4 | Homo sapiens | 2 | 3 |
| NPT6213 | Prenyl protein specific protease | Homo sapiens | 2 | 2 |
| NPT979 | Caspase-3 | Homo sapiens | 15 | 26 |
| NPT5930 | Cathepsin S | Homo sapiens | 3 | 4 |
| NPT4404 | CAAX prenyl protease 2 | Saccharomyces cerevisiae S288c | 3 | 3 |
| NPT601 | Cathepsin L2 | Homo sapiens | 12 | 20 |
| NPT5085 | Cathepsin H | Homo sapiens | 3 | 5 |
| NPT6608 | Caspase-5 | Homo sapiens | 2 | 3 |
| NPT1257 | Sentrin-specific protease 6 | Homo sapiens | 4 | 4 |
| NPT1256 | Sentrin-specific protease 7 | Homo sapiens | 4 | 4 |
| NPT1255 | Sentrin-specific protease 8 | Homo sapiens | 7 | 12 |
| NPT1253 | Calpain 2 | Sus scrofa | 2 | 2 |
| NPT6464 | Caspase-4 | Mus musculus | 1 | 2 |
| NPT6470 | Caspase-14 | Homo sapiens | 2 | 3 |
| NPT6430 | Caspase-10 | Homo sapiens | 2 | 3 |
| NPT791 | Cruzipain | Trypanosoma cruzi | 174 | 260 |
| NPT867 | Caspase-6 | Homo sapiens | 14 | 15 |
| NPT5212 | Sentrin-specific protease 1 | Homo sapiens | 3 | 5 |
| NPT4104 | Caspase-2 | Homo sapiens | 3 | 4 |
| NPT277 | Caspase-1 | Homo sapiens | 79 | 99 |
| NPT3595 | Cathepsin K | Homo sapiens | 13 | 16 |
| NPT3579 | Calpain 1 | Homo sapiens | 13 | 16 |