|
| Clan | Family | Peptidase type | Peptidase species | MEROPS ID | Number of clusters |
|
| PA | S1 | Chymotrypsin A | Ovochymase domain 2 (X. laevis) | S01.024 | 3 |
| Trypsin alpha (insect) (D. melanogaster) | S01.110 | 23 |
| Trypsin zeta (insect) (D. melanogaster) | S01.116 | 7 |
| Trypsin eta (insect) (D. melanogaster) | S01.117 | 3 |
| Trypsin (mosquito type) (Anopheles gambiae) | S01.130 | 2 |
| Chymotrypsin m-type 2 (insect) (Lucilia cuprina) | S01.168 | 7 |
| Easter peptidase (D. melanogaster) | S01.201 | 6 |
| Melanization peptidase-2 (D. melanogaster) | S01.203 | 2 |
| CG4386 peptidase (Sarcophaga peregrina) | S01.316 | 2 |
| Prophenoloxidase-activating peptidase (Pacifastacus leniusculus) | S01.413 | 2 |
| Persephone peptidase (D. melanogaster) | S01.421 | 1 |
| Tequila peptidase (D. melanogaster) | S01.461 | 2 |
| DmHtrA2-type peptidase (M. domestica) | S01.476 | 2 |
| Proteolytic lectin (Glossina-type) (Glossina fuscipes fuscipes) | S01.493 | 3 |
| Grass peptidase (Insecta) (D. melanogaster) | S01.502 | 3 |
| TmSPE peptidase (Tenebrio-type) (Tenebrio molitor) | S01.507 | 2 |
| CLIP-domain prophenoloxidase activating factor (Cotesia rubecula) | S01.960 | 8 |
| Testis-specific protein 50 (H. sapiens) | S01.993 | 1 |
| CG34409 protein (D. melanogaster) | S01.A23 | 1 |
| CG11670 protein (D. melanogaster) | S01.A31 | 1 |
| CG14780 protein (D. melanogaster) | S01.A35 | 1 |
| CG8952 protein (D. melanogaster) | S01.A36 | 2 |
| CG8170 protein (D. melanogaster) | S01.A37 | 1 |
| CG2105 (D. melanogaster) | S01.A51 | 2 |
| Sp212 protein (D. melanogaster) | S01.A52 | 1 |
| CG9733 protein (D. melanogaster) | S01.A61 | 2 |
| CG7829 protein (D. melanogaster) | S01.A62 | 1 |
| CG5909 protein (D. melanogaster) | S01.A64 | 1 |
| CG6048 protein (D. melanogaster) | S01.A77 | 3 |
| CG6041 protein (D. melanogaster) | S01.A78 | 4 |
| Trypsin beta (D. melanogaster) | S01.A83 | 1 |
| CG17571 protein (D. melanogaster) | S01.A85 | 9 |
| Trypsin lambda (D. melanogaster) | S01.A87 | 2 |
| CG9676 protein (D. melanogaster) | S01.A89 | 7 |
| Try29F protein (D. melanogaster) | S01.A91 | 1 |
| CG17477 protein (D. melanogaster) | S01.A92 | 1 |
| CG5246 protein (D. melanogaster) | S01.A94 | 7 |
| CG17475 protein (D. melanogaster) | S01.A96 | 1 |
| CG5233 protein (D. melanogaster) | S01.A97 | 2 |
| Jonah 65Aiv (D. melanogaster) | S01.B05 | 10 |
| CG7542 protein (D. melanogaster) | S01.B07 | 3 |
| CG10477 protein (D. melanogaster) | S01.B12 | 19 |
| CG6457 protein (D. melanogaster) | S01.B13 | 2 |
| CG6483 protein (D. melanogaster) | S01.B14 | 1 |
| CG10472 protein (D. melanogaster) | S01.B16 | 2 |
| CG11529 protein (D. melanogaster) | S01.B22 | 1 |
| IP21814 protein (D. melanogaster) | S01.B25 | 2 |
| Spirit protein (D. melanogaster) | S01.B27 | 4 |
| CG3700 protein (D. melanogaster) | S01.B30 | 2 |
| CG1299 protein (D. melanogaster) | S01.B33 | 12 |
| CG34350 protein (D. melanogaster) | S01.B35 | 1 |
| CG4914 protein (D. melanogaster) | S01.B41 | 1 |
| CG11836 protein (D. melanogaster) | S01.B43 | 1 |
| CG16821 protein (D. melanogaster) | S01.B44 | 1 |
| CG32808 protein (D. melanogaster) | S01.B47 | 1 |
| CG16749 protein (D. melanogaster) | S01.B48 | 5 |
| CG8299 protein (D. melanogaster) | S01.B50 | 2 |
| IP10861 protein (D. melanogaster) | S01.B61 | 1 |
| CG16996 protein (D. melanogaster) | S01.B64 | 2 |
| CG7142 protein (D. melanogaster) | S01.B65 | 1 |
| CG11911 protein (D. melanogaster) | S01.B68 | 8 |
| CG10663-PC, isoform C (D. melanogaster) | S01.B77 | 4 |
| Subfamily S1A non-peptidase homologues | S01.UNA | 14 |
|
| SB | S8 | Subtilisin Carlsberg | Furin-1 (arthropod-type) | S08.048 | 1 |
| Furin-2 (insect) | S08.049 | 1 |
| Site-1 peptidase | S08.063 | 1 |
| KPC2-type peptidase | S08.109 | 2 |
| Subfamily S8A unassigned peptidases | S08.UPA | 2 |
|
| SC | S9 | Prolyl oligopeptidase | Omega peptidase (D. melanogaster) | S09.069 | 2 |
| CG11034 protein (D. melanogaster) | S09.A64 | 2 |
| CG11319 (D. melanogaster) | S09.A65 | 4 |
| Xaa-Pro dipeptidylpeptidase | S09.A73 | 1 |
|
| SC | S10 | Carboxypeptidase Y | Vitellogenic carboxypeptidase-like protein | S10.003 | 2 |
| CG32483 protein (D. melanogaster) | S10.A52 | 2 |
|
| SC | S28 | Lysosomal Pro-Xaa carboxypeptidase | Lysosomal Pro-Xaa carboxypeptidase | S28.001 | 1 |
| CG9953 protein (D. melanogaster) | S28.A10 | 2 |
|
| SF | S26 | Signal peptidase I | Signal peptidase (invertebrate) | S26.023 | 1 |
| CG11110 protein (D. melanogaster) | S26.A09 | 1 |
| Subfamily S26A unassigned peptidases | S26.UPA | 1 |
|
| SJ | S16 | Lon-A peptidase | Lon-A peptidase | S16.001 | 2 |
| PIM1 peptidase | S16.002 | 1 |
|
| SK | S14 | Peptidase Clp | Peptidase Clp (type 3) | S14.003 | 1 |
|
| SK | S41 | C-terminal processing peptidase-1 | C-terminal processing peptidase-1 | S41.001 | 1 |
| C-terminal processing peptidase-2 | S41.004 | 2 |
|
| SK | S49 | Signal peptide peptidase A | BSn5_05605 g.p. (Bacillus subtilis) | S48.A08 | 1 |
|
| ST | S54 | Rhomboid-1 | Rhomboid-1 (Diptera) | S54.001 | 1 |
| Rhomboid-4 (insect) | S54.012 | 2 |
| Cg8972 protein | S54.A12 | 1 |
|
| PC | S51 | Dipeptidase E | Alpha-aspartyl dipeptidase (eukaryote) | S51.002 | 2 |
|
