ENZYME class: 3.4.-.-
Release of 28-Jan-26
3.-.-.-: Hydrolases
3.4.-.-: Acting on peptide bonds (peptidases)
All UniProtKB/Swiss-Prot entries corresponding to class 3.4.-.-.
The following ENZYME entries belong to class 3.4.-.-:
| 3.4.1.1 | Transferred entry: 3.4.11.1 |
| 3.4.1.2 | Transferred entry: 3.4.11.2 |
| 3.4.1.3 | Transferred entry: 3.4.11.4 |
| 3.4.1.4 | Transferred entry: 3.4.11.5 |
| 3.4.2.1 | Transferred entry: 3.4.17.1 |
| 3.4.2.2 | Transferred entry: 3.4.17.2 |
| 3.4.2.3 | Transferred entry: 3.4.17.4 |
| 3.4.3.1 | Transferred entry: 3.4.13.18 and 3.4.13.19 |
| 3.4.3.2 | Transferred entry: 3.4.13.18 and 3.4.13.19 |
| 3.4.3.3 | Transferred entry: 3.4.13.18 and 3.4.13.20 |
| 3.4.3.4 | Transferred entry: 3.4.13.5 |
| 3.4.3.5 | Transferred entry: 3.4.11.2 |
| 3.4.3.6 | Transferred entry: 3.4.13.18 and 3.4.13.19 |
| 3.4.3.7 | Transferred entry: 3.4.13.9 |
| 3.4.4.1 | Transferred entry: 3.4.23.1 |
| 3.4.4.2 | Transferred entry: 3.4.23.2 |
| 3.4.4.3 | Transferred entry: 3.4.23.4 |
| 3.4.4.4 | Transferred entry: 3.4.21.4 |
| 3.4.4.5 | Transferred entry: 3.4.21.1 |
| 3.4.4.6 | Transferred entry: 3.4.21.1 |
| 3.4.4.7 | Transferred entry: 3.4.21.36 and 3.4.21.37 |
| 3.4.4.8 | Transferred entry: 3.4.21.9 |
| 3.4.4.9 | Transferred entry: 3.4.14.1 |
| 3.4.4.10 | Transferred entry: 3.4.22.2 |
| 3.4.4.11 | Transferred entry: 3.4.22.6 |
| 3.4.4.12 | Transferred entry: 3.4.22.3 |
| 3.4.4.13 | Transferred entry: 3.4.21.5 |
| 3.4.4.14 | Transferred entry: 3.4.21.7 |
| 3.4.4.15 | Transferred entry: 3.4.23.15 |
| 3.4.4.16 | Transferred entry: 3.4.21.62, 3.4.21.63, 3.4.21.64, 3.4.21.65, 3.4.21.66 |
| 3.4.4.16 | and 3.4.21.67 |
| 3.4.4.17 | Transferred entry: 3.4.21.103, 3.4.23.20, 3.4.23.21, 3.4.23.22, |
| 3.4.4.17 | 3.4.23.23, 3.4.23.24, 3.4.23.25, 3.4.23.26, 3.4.23.28, 3.4.23.29 and |
| 3.4.4.17 | 3.4.23.30 |
| 3.4.4.18 | Transferred entry: 3.4.22.10 |
| 3.4.4.19 | Transferred entry: 3.4.24.3 |
| 3.4.4.20 | Transferred entry: 3.4.22.8 |
| 3.4.4.21 | Transferred entry: 3.4.21.34 |
| 3.4.4.22 | Transferred entry: 3.4.23.3 |
| 3.4.4.23 | Transferred entry: 3.4.23.5 |
| 3.4.4.24 | Transferred entry: 3.4.22.32 and 3.4.22.33 |
| 3.4.4.25 | Deleted entry |
| 3.4.11.1 | leucyl aminopeptidase |
| 3.4.11.2 | membrane alanyl aminopeptidase |
| 3.4.11.3 | cystinyl aminopeptidase |
| 3.4.11.4 | tripeptide aminopeptidase |
| 3.4.11.5 | prolyl aminopeptidase |
| 3.4.11.6 | aminopeptidase B |
| 3.4.11.7 | glutamyl aminopeptidase |
| 3.4.11.8 | Transferred entry: 3.4.19.3 |
| 3.4.11.9 | Xaa-Pro aminopeptidase |
| 3.4.11.10 | bacterial leucyl aminopeptidase |
| 3.4.11.11 | Deleted entry |
| 3.4.11.12 | Deleted entry |
| 3.4.11.13 | clostridial aminopeptidase |
| 3.4.11.14 | cytosol alanyl aminopeptidase |
| 3.4.11.15 | aminopeptidase Y |
| 3.4.11.16 | Xaa-Trp aminopeptidase |
| 3.4.11.17 | tryptophanyl aminopeptidase |
| 3.4.11.18 | methionyl aminopeptidase |
| 3.4.11.19 | D-stereospecific aminopeptidase |
| 3.4.11.20 | aminopeptidase Ey |
| 3.4.11.21 | aspartyl aminopeptidase |
| 3.4.11.22 | aminopeptidase I |
| 3.4.11.23 | PepB aminopeptidase |
| 3.4.11.24 | aminopeptidase S |
| 3.4.11.25 | beta-peptidyl aminopeptidase |
| 3.4.11.26 | intermediate cleaving peptidase 55 |
| 3.4.11.27 | archaeal arginyl aminopeptidase |
| 3.4.11.n1 | Transferred entry: 3.4.11.24 |
| 3.4.12.1 | Transferred entry: 3.4.16.5 and 3.4.16.6 |
| 3.4.12.2 | Transferred entry: 3.4.17.1 |
| 3.4.12.3 | Transferred entry: 3.4.17.2 |
| 3.4.12.4 | Transferred entry: 3.4.16.2 |
| 3.4.12.5 | Transferred entry: 3.5.1.28 |
| 3.4.12.6 | Transferred entry: 3.4.17.8 |
| 3.4.12.7 | Transferred entry: 3.4.17.3 |
| 3.4.12.8 | Transferred entry: 3.4.17.4 |
| 3.4.12.9 | Deleted entry |
| 3.4.12.10 | Transferred entry: 3.4.19.9 |
| 3.4.12.11 | Transferred entry: 3.4.17.6 |
| 3.4.12.12 | Transferred entry: 3.4.16.5 and 3.4.16.6 |
| 3.4.12.13 | Deleted entry |
| 3.4.13.1 | Transferred entry: 3.4.13.18 and 3.4.13.19 |
| 3.4.13.2 | Transferred entry: 3.4.13.18 and 3.4.13.19 |
| 3.4.13.3 | Transferred entry: 3.4.13.18 and 3.4.13.20 |
| 3.4.13.4 | Xaa-Arg dipeptidase |
| 3.4.13.5 | Xaa-methyl-His dipeptidase |
| 3.4.13.6 | Transferred entry: 3.4.11.2 |
| 3.4.13.7 | Glu-Glu dipeptidase |
| 3.4.13.8 | Transferred entry: 3.4.13.18 and 3.4.13.19 |
| 3.4.13.9 | Xaa-Pro dipeptidase |
| 3.4.13.10 | Transferred entry: 3.4.19.5 |
| 3.4.13.11 | Transferred entry: 3.4.13.18 and 3.4.13.19 |
| 3.4.13.12 | Met-Xaa dipeptidase |
| 3.4.13.13 | Transferred entry: 3.4.13.18 and 3.4.13.20 |
| 3.4.13.14 | Deleted entry |
| 3.4.13.15 | Transferred entry: 3.4.13.18 and 3.4.13.19 |
| 3.4.13.16 | Deleted entry |
| 3.4.13.17 | non-stereospecific dipeptidase |
| 3.4.13.18 | cytosol non-specific dipeptidase |
| 3.4.13.19 | membrane dipeptidase |
| 3.4.13.20 | beta-Ala-His dipeptidase |
| 3.4.13.21 | dipeptidase E |
| 3.4.13.22 | D-Ala-D-Ala dipeptidase |
| 3.4.13.23 | cysteinylglycine-S-conjugate dipeptidase |
| 3.4.14.1 | dipeptidyl-peptidase I |
| 3.4.14.2 | dipeptidyl-peptidase II |
| 3.4.14.3 | Transferred entry: 3.4.19.1 |
| 3.4.14.4 | dipeptidyl-peptidase III |
| 3.4.14.5 | dipeptidyl-peptidase IV |
| 3.4.14.6 | dipeptidyl-dipeptidase |
| 3.4.14.7 | Deleted entry |
| 3.4.14.8 | Transferred entry: 3.4.14.9 and 3.4.14.10 |
| 3.4.14.9 | tripeptidyl-peptidase I |
| 3.4.14.10 | tripeptidyl-peptidase II |
| 3.4.14.11 | Xaa-Pro dipeptidyl-peptidase |
| 3.4.14.12 | Xaa-Xaa-Pro tripeptidyl-peptidase |
| 3.4.14.13 | gamma-D-glutamyl-L-lysine dipeptidyl-peptidase |
| 3.4.14.14 | [mycofactocin precursor peptide] peptidase |
| 3.4.15.1 | peptidyl-dipeptidase A |
| 3.4.15.2 | Transferred entry: 3.4.19.2 |
| 3.4.15.3 | Transferred entry: 3.4.15.5 |
| 3.4.15.4 | peptidyl-dipeptidase B |
| 3.4.15.5 | peptidyl-dipeptidase Dcp |
| 3.4.15.6 | cyanophycinase |
| 3.4.16.1 | Transferred entry: 3.4.16.5 and 3.4.16.6 |
| 3.4.16.2 | lysosomal Pro-Xaa carboxypeptidase |
| 3.4.16.3 | Transferred entry: 3.4.16.5 and 3.4.16.6 |
| 3.4.16.4 | serine-type D-Ala-D-Ala carboxypeptidase |
| 3.4.16.5 | carboxypeptidase C |
| 3.4.16.6 | carboxypeptidase D |
| 3.4.17.1 | carboxypeptidase A |
| 3.4.17.2 | carboxypeptidase B |
| 3.4.17.3 | lysine carboxypeptidase |
| 3.4.17.4 | Gly-Xaa carboxypeptidase |
| 3.4.17.5 | Deleted entry |
| 3.4.17.6 | alanine carboxypeptidase |
| 3.4.17.7 | Transferred entry: 3.5.1.28 |
| 3.4.17.8 | muramoylpentapeptide carboxypeptidase |
| 3.4.17.9 | Transferred entry: 3.4.17.4 |
| 3.4.17.10 | carboxypeptidase E |
| 3.4.17.11 | glutamate carboxypeptidase |
| 3.4.17.12 | carboxypeptidase M |
| 3.4.17.13 | muramoyltetrapeptide carboxypeptidase |
| 3.4.17.14 | zinc D-Ala-D-Ala carboxypeptidase |
| 3.4.17.15 | carboxypeptidase A2 |
| 3.4.17.16 | membrane Pro-Xaa carboxypeptidase |
| 3.4.17.17 | tubulinyl-Tyr carboxypeptidase |
| 3.4.17.18 | carboxypeptidase T |
| 3.4.17.19 | carboxypeptidase Taq |
| 3.4.17.20 | carboxypeptidase U |
| 3.4.17.21 | glutamate carboxypeptidase II |
| 3.4.17.22 | metallocarboxypeptidase D |
| 3.4.17.23 | angiotensin-converting enzyme 2 |
| 3.4.17.24 | tubulin-glutamate carboxypeptidase |
| 3.4.17.25 | glutathione-S-conjugate glycine hydrolase |
| 3.4.17.n1 | Transferred entry: 3.13.1.6 |
| 3.4.18.1 | cathepsin X |
| 3.4.19.1 | acylaminoacyl-peptidase |
| 3.4.19.2 | peptidyl-glycinamidase |
| 3.4.19.3 | pyroglutamyl-peptidase I |
| 3.4.19.4 | Deleted entry |
| 3.4.19.5 | beta-aspartyl-peptidase |
| 3.4.19.6 | pyroglutamyl-peptidase II |
| 3.4.19.7 | N-formylmethionyl-peptidase |
| 3.4.19.8 | Transferred entry: 3.4.17.21 |
| 3.4.19.9 | folate gamma-glutamyl hydrolase |
| 3.4.19.10 | Transferred entry: 3.5.1.28 |
| 3.4.19.11 | gamma-D-glutamyl-meso-diaminopimelate peptidase |
| 3.4.19.12 | ubiquitinyl hydrolase 1 |
| 3.4.19.13 | glutathione gamma-glutamate hydrolase |
| 3.4.19.14 | leukotriene-C4 hydrolase |
| 3.4.19.15 | desampylase |
| 3.4.19.16 | glucosinolate gamma-glutamyl hydrolase |
| 3.4.21.1 | chymotrypsin |
| 3.4.21.2 | chymotrypsin C |
| 3.4.21.3 | metridin |
| 3.4.21.4 | trypsin |
| 3.4.21.5 | thrombin |
| 3.4.21.6 | coagulation factor Xa |
| 3.4.21.7 | plasmin |
| 3.4.21.8 | Transferred entry: 3.4.21.34 and 3.4.21.35 |
| 3.4.21.9 | enteropeptidase |
| 3.4.21.10 | acrosin |
| 3.4.21.11 | Transferred entry: 3.4.21.36 and 3.4.21.37 |
| 3.4.21.12 | alpha-lytic endopeptidase |
| 3.4.21.13 | Transferred entry: 3.4.16.5 and 3.4.16.6 |
| 3.4.21.14 | Transferred entry: 3.4.21.62, 3.4.21.63, 3.4.21.64, 3.4.21.65 and |
| 3.4.21.14 | 3.4.21.67 |
| 3.4.21.15 | Transferred entry: 3.4.21.63 |
| 3.4.21.16 | Deleted entry |
| 3.4.21.17 | Deleted entry |
| 3.4.21.18 | Deleted entry |
| 3.4.21.19 | glutamyl endopeptidase |
| 3.4.21.20 | cathepsin G |
| 3.4.21.21 | coagulation factor VIIa |
| 3.4.21.22 | coagulation factor IXa |
| 3.4.21.23 | Deleted entry |
| 3.4.21.24 | Deleted entry |
| 3.4.21.25 | cucumisin |
| 3.4.21.26 | prolyl oligopeptidase |
| 3.4.21.27 | coagulation factor XIa |
| 3.4.21.28 | Transferred entry: 3.4.21.74 |
| 3.4.21.29 | Transferred entry: 3.4.21.74 |
| 3.4.21.30 | Transferred entry: 3.4.21.74 |
| 3.4.21.31 | Transferred entry: 3.4.21.68 and 3.4.21.73 |
| 3.4.21.32 | brachyurin |
| 3.4.21.33 | Deleted entry |
| 3.4.21.34 | plasma kallikrein |
| 3.4.21.35 | tissue kallikrein |
| 3.4.21.36 | pancreatic elastase |
| 3.4.21.37 | leukocyte elastase |
| 3.4.21.38 | coagulation factor XIIa |
| 3.4.21.39 | chymase |
| 3.4.21.40 | Deleted entry |
| 3.4.21.41 | complement subcomponent C1r |
| 3.4.21.42 | complement subcomponent C1s |
| 3.4.21.43 | classical-complement-pathway C3/C5 convertase |
| 3.4.21.44 | Transferred entry: 3.4.21.43 |
| 3.4.21.45 | complement factor I |
| 3.4.21.46 | complement factor D |
| 3.4.21.47 | alternative-complement-pathway C3/C5 convertase |
| 3.4.21.48 | cerevisin |
| 3.4.21.49 | hypodermin C |
| 3.4.21.50 | lysyl endopeptidase |
| 3.4.21.51 | Deleted entry |
| 3.4.21.52 | Deleted entry |
| 3.4.21.53 | endopeptidase La |
| 3.4.21.54 | gamma-renin |
| 3.4.21.55 | venombin AB |
| 3.4.21.56 | Deleted entry |
| 3.4.21.57 | leucyl endopeptidase |
| 3.4.21.58 | Deleted entry |
| 3.4.21.59 | tryptase |
| 3.4.21.60 | scutelarin |
| 3.4.21.61 | kexin |
| 3.4.21.62 | subtilisin |
| 3.4.21.63 | oryzin |
| 3.4.21.64 | peptidase K |
| 3.4.21.65 | thermomycolin |
| 3.4.21.66 | thermitase |
| 3.4.21.67 | endopeptidase So |
| 3.4.21.68 | t-plasminogen activator |
| 3.4.21.69 | activated protein C (thrombin-activated peptidase) |
| 3.4.21.70 | pancreatic endopeptidase E |
| 3.4.21.71 | pancreatic elastase II |
| 3.4.21.72 | IgA-specific serine endopeptidase |
| 3.4.21.73 | u-plasminogen activator |
| 3.4.21.74 | venombin A |
| 3.4.21.75 | furin |
| 3.4.21.76 | myeloblastin |
| 3.4.21.77 | semenogelase |
| 3.4.21.78 | granzyme A |
| 3.4.21.79 | granzyme B |
| 3.4.21.80 | streptogrisin A |
| 3.4.21.81 | streptogrisin B |
| 3.4.21.82 | glutamyl endopeptidase II |
| 3.4.21.83 | oligopeptidase B |
| 3.4.21.84 | limulus clotting factor C |
| 3.4.21.85 | limulus clotting factor B |
| 3.4.21.86 | limulus clotting enzyme |
| 3.4.21.87 | Transferred entry: 3.4.23.49 |
| 3.4.21.88 | repressor LexA |
| 3.4.21.89 | signal peptidase I |
| 3.4.21.90 | togavirin |
| 3.4.21.91 | flavivirin |
| 3.4.21.92 | endopeptidase Clp |
| 3.4.21.93 | proprotein convertase 1 |
| 3.4.21.94 | proprotein convertase 2 |
| 3.4.21.95 | snake venom factor V activator |
| 3.4.21.96 | lactocepin |
| 3.4.21.97 | assemblin |
| 3.4.21.98 | hepacivirin |
| 3.4.21.99 | spermosin |
| 3.4.21.100 | sedolisin |
| 3.4.21.101 | xanthomonalisin |
| 3.4.21.102 | C-terminal processing peptidase |
| 3.4.21.103 | physarolisin |
| 3.4.21.104 | mannan-binding lectin-associated serine protease-2 |
| 3.4.21.105 | rhomboid protease |
| 3.4.21.106 | hepsin |
| 3.4.21.107 | peptidase Do |
| 3.4.21.108 | HtrA2 peptidase |
| 3.4.21.109 | matriptase |
| 3.4.21.110 | C5a peptidase |
| 3.4.21.111 | aqualysin 1 |
| 3.4.21.112 | site-1 protease |
| 3.4.21.113 | pestivirus NS3 polyprotein peptidase |
| 3.4.21.114 | equine arterivirus serine peptidase |
| 3.4.21.115 | infectious pancreatic necrosis birnavirus Vp4 peptidase |
| 3.4.21.116 | SpoIVB peptidase |
| 3.4.21.117 | stratum corneum chymotryptic enzyme |
| 3.4.21.118 | kallikrein 8 |
| 3.4.21.119 | kallikrein 13 |
| 3.4.21.120 | oviductin |
| 3.4.21.121 | Lys-Lys/Arg-Xaa endopeptidase |
| 3.4.21.122 | transmembrane protease serine 2 |
| 3.4.21.123 | kumamolysin |
| 3.4.22.1 | cathepsin B |
| 3.4.22.2 | papain |
| 3.4.22.3 | ficain |
| 3.4.22.4 | Transferred entry: 3.4.22.32 and 3.4.22.33 |
| 3.4.22.5 | Transferred entry: 3.4.22.33 |
| 3.4.22.6 | chymopapain |
| 3.4.22.7 | asclepain |
| 3.4.22.8 | clostripain |
| 3.4.22.9 | Transferred entry: 3.4.21.48 |
| 3.4.22.10 | streptopain |
| 3.4.22.11 | Transferred entry: 3.4.24.56 |
| 3.4.22.12 | Transferred entry: 3.4.19.9 |
| 3.4.22.13 | Deleted entry |
| 3.4.22.14 | actinidain |
| 3.4.22.15 | cathepsin L |
| 3.4.22.16 | cathepsin H |
| 3.4.22.17 | Transferred entry: 3.4.22.52 and 3.4.22.53 |
| 3.4.22.18 | Transferred entry: 3.4.21.26 |
| 3.4.22.19 | Transferred entry: 3.4.24.15 |
| 3.4.22.20 | Deleted entry |
| 3.4.22.21 | Transferred entry: 3.4.25.1 |
| 3.4.22.22 | Transferred entry: 3.4.24.37 |
| 3.4.22.23 | Transferred entry: 3.4.21.61 |
| 3.4.22.24 | cathepsin T |
| 3.4.22.25 | glycyl endopeptidase |
| 3.4.22.26 | cancer procoagulant |
| 3.4.22.27 | cathepsin S |
| 3.4.22.28 | picornain 3C |
| 3.4.22.29 | picornain 2A |
| 3.4.22.30 | caricain |
| 3.4.22.31 | ananain |
| 3.4.22.32 | stem bromelain |
| 3.4.22.33 | fruit bromelain |
| 3.4.22.34 | legumain |
| 3.4.22.35 | histolysain |
| 3.4.22.36 | caspase-1 |
| 3.4.22.37 | gingipain R |
| 3.4.22.38 | cathepsin K |
| 3.4.22.39 | adenain |
| 3.4.22.40 | bleomycin hydrolase |
| 3.4.22.41 | cathepsin F |
| 3.4.22.42 | cathepsin O |
| 3.4.22.43 | cathepsin V |
| 3.4.22.44 | nuclear-inclusion-a endopeptidase |
| 3.4.22.45 | helper-component proteinase |
| 3.4.22.46 | L-peptidase |
| 3.4.22.47 | gingipain K |
| 3.4.22.48 | staphopain |
| 3.4.22.49 | separase |
| 3.4.22.50 | V-cath endopeptidase |
| 3.4.22.51 | cruzipain |
| 3.4.22.52 | calpain-1 |
| 3.4.22.53 | calpain-2 |
| 3.4.22.54 | calpain-3 |
| 3.4.22.55 | caspase-2 |
| 3.4.22.56 | caspase-3 |
| 3.4.22.57 | caspase-4 |
| 3.4.22.58 | caspase-5 |
| 3.4.22.59 | caspase-6 |
| 3.4.22.60 | caspase-7 |
| 3.4.22.61 | caspase-8 |
| 3.4.22.62 | caspase-9 |
| 3.4.22.63 | caspase-10 |
| 3.4.22.64 | caspase-11 |
| 3.4.22.65 | peptidase 1 (mite) |
| 3.4.22.66 | calicivirin |
| 3.4.22.67 | zingipain |
| 3.4.22.68 | Ulp1 peptidase |
| 3.4.22.69 | SARS coronavirus main proteinase |
| 3.4.22.70 | sortase A |
| 3.4.22.71 | sortase B |
| 3.4.23.1 | pepsin A |
| 3.4.23.2 | pepsin B |
| 3.4.23.3 | gastricsin |
| 3.4.23.4 | chymosin |
| 3.4.23.5 | cathepsin D |
| 3.4.23.6 | Transferred entry: 3.4.21.103, 3.4.23.18, 3.4.23.19, 3.4.23.20, |
| 3.4.23.6 | 3.4.23.21, 3.4.23.22, 3.4.23.23, 3.4.23.24, 3.4.23.25, 3.4.23.26, |
| 3.4.23.6 | 3.4.23.28 and 3.4.23.30 |
| 3.4.23.7 | Transferred entry: 3.4.23.20 |
| 3.4.23.8 | Transferred entry: 3.4.23.25 |
| 3.4.23.9 | Transferred entry: 3.4.23.21 |
| 3.4.23.10 | Transferred entry: 3.4.23.22 |
| 3.4.23.11 | Deleted entry |
| 3.4.23.12 | nepenthesin |
| 3.4.23.13 | Deleted entry |
| 3.4.23.14 | Deleted entry |
| 3.4.23.15 | renin |
| 3.4.23.16 | HIV-1 retropepsin |
| 3.4.23.17 | pro-opiomelanocortin converting enzyme |
| 3.4.23.18 | aspergillopepsin I |
| 3.4.23.19 | aspergillopepsin II |
| 3.4.23.20 | penicillopepsin |
| 3.4.23.21 | rhizopuspepsin |
| 3.4.23.22 | endothiapepsin |
| 3.4.23.23 | mucorpepsin |
| 3.4.23.24 | candidapepsin |
| 3.4.23.25 | saccharopepsin |
| 3.4.23.26 | rhodotorulapepsin |
| 3.4.23.27 | Transferred entry: 3.4.21.103 |
| 3.4.23.28 | acrocylindropepsin |
| 3.4.23.29 | polyporopepsin |
| 3.4.23.30 | pycnoporopepsin |
| 3.4.23.31 | scytalidopepsin A |
| 3.4.23.32 | scytalidopepsin B |
| 3.4.23.33 | Transferred entry: 3.4.21.101 |
| 3.4.23.34 | cathepsin E |
| 3.4.23.35 | barrierpepsin |
| 3.4.23.36 | signal peptidase II |
| 3.4.23.37 | Transferred entry: 3.4.21.100 |
| 3.4.23.38 | plasmepsin I |
| 3.4.23.39 | plasmepsin II |
| 3.4.23.40 | phytepsin |
| 3.4.23.41 | yapsin 1 |
| 3.4.23.42 | thermopsin |
| 3.4.23.43 | prepilin peptidase |
| 3.4.23.44 | nodavirus endopeptidase |
| 3.4.23.45 | memapsin 1 |
| 3.4.23.46 | memapsin 2 |
| 3.4.23.47 | HIV-2 retropepsin |
| 3.4.23.48 | plasminogen activator Pla |
| 3.4.23.49 | omptin |
| 3.4.23.50 | human endogenous retrovirus K endopeptidase |
| 3.4.23.51 | HycI peptidase |
| 3.4.23.52 | preflagellin peptidase |
| 3.4.24.1 | atrolysin A |
| 3.4.24.2 | Deleted entry |
| 3.4.24.3 | microbial collagenase |
| 3.4.24.4 | Transferred entry: 3.4.24.25, 3.4.24.26, 3.4.24.27, 3.4.24.28, 3.4.24.29, |
| 3.4.24.4 | 3.4.24.30, 3.4.24.31, 3.4.24.32, 3.4.24.39 and 3.4.24.40 |
| 3.4.24.5 | Transferred entry: 3.4.22.52, 3.4.22.53 and 3.4.25.1 |
| 3.4.24.6 | leucolysin |
| 3.4.24.7 | interstitial collagenase |
| 3.4.24.8 | Transferred entry: 3.4.24.3 |
| 3.4.24.9 | Deleted entry |
| 3.4.24.10 | Deleted entry |
| 3.4.24.11 | neprilysin |
| 3.4.24.12 | envelysin |
| 3.4.24.13 | IgA-specific metalloendopeptidase |
| 3.4.24.14 | procollagen N-endopeptidase |
| 3.4.24.15 | thimet oligopeptidase |
| 3.4.24.16 | neurolysin |
| 3.4.24.17 | stromelysin 1 |
| 3.4.24.18 | meprin A |
| 3.4.24.19 | procollagen C-endopeptidase |
| 3.4.24.20 | peptidyl-Lys metalloendopeptidase |
| 3.4.24.21 | astacin |
| 3.4.24.22 | stromelysin 2 |
| 3.4.24.23 | matrilysin |
| 3.4.24.24 | gelatinase A |
| 3.4.24.25 | vibriolysin |
| 3.4.24.26 | pseudolysin |
| 3.4.24.27 | thermolysin |
| 3.4.24.28 | bacillolysin |
| 3.4.24.29 | aureolysin |
| 3.4.24.30 | coccolysin |
| 3.4.24.31 | mycolysin |
| 3.4.24.32 | beta-lytic metalloendopeptidase |
| 3.4.24.33 | peptidyl-Asp metalloendopeptidase |
| 3.4.24.34 | neutrophil collagenase |
| 3.4.24.35 | gelatinase B |
| 3.4.24.36 | leishmanolysin |
| 3.4.24.37 | saccharolysin |
| 3.4.24.38 | gametolysin |
| 3.4.24.39 | deuterolysin |
| 3.4.24.40 | serralysin |
| 3.4.24.41 | atrolysin B |
| 3.4.24.42 | atrolysin C |
| 3.4.24.43 | atroxase |
| 3.4.24.44 | atrolysin E |
| 3.4.24.45 | atrolysin F |
| 3.4.24.46 | adamalysin |
| 3.4.24.47 | horrilysin |
| 3.4.24.48 | ruberlysin |
| 3.4.24.49 | bothropasin |
| 3.4.24.50 | bothrolysin |
| 3.4.24.51 | ophiolysin |
| 3.4.24.52 | trimerelysin I |
| 3.4.24.53 | trimerelysin II |
| 3.4.24.54 | mucrolysin |
| 3.4.24.55 | pitrilysin |
| 3.4.24.56 | insulysin |
| 3.4.24.57 | O-sialoglycoprotein endopeptidase |
| 3.4.24.58 | russellysin |
| 3.4.24.59 | mitochondrial intermediate peptidase |
| 3.4.24.60 | dactylysin |
| 3.4.24.61 | nardilysin |
| 3.4.24.62 | magnolysin |
| 3.4.24.63 | meprin B |
| 3.4.24.64 | mitochondrial processing peptidase |
| 3.4.24.65 | macrophage elastase |
| 3.4.24.66 | choriolysin L |
| 3.4.24.67 | choriolysin H |
| 3.4.24.68 | tentoxilysin |
| 3.4.24.69 | bontoxilysin |
| 3.4.24.70 | oligopeptidase A |
| 3.4.24.71 | endothelin-converting enzyme 1 |
| 3.4.24.72 | fibrolase |
| 3.4.24.73 | jararhagin |
| 3.4.24.74 | fragilysin |
| 3.4.24.75 | lysostaphin |
| 3.4.24.76 | flavastacin |
| 3.4.24.77 | snapalysin |
| 3.4.24.78 | GPR endopeptidase |
| 3.4.24.79 | pappalysin-1 |
| 3.4.24.80 | membrane-type matrix metalloproteinase-1 |
| 3.4.24.81 | ADAM10 endopeptidase |
| 3.4.24.82 | ADAMTS-4 endopeptidase |
| 3.4.24.83 | anthrax lethal factor endopeptidase |
| 3.4.24.84 | Ste24 endopeptidase |
| 3.4.24.85 | S2P endopeptidase |
| 3.4.24.86 | ADAM 17 endopeptidase |
| 3.4.24.87 | ADAMTS13 endopeptidase |
| 3.4.24.88 | Transferred entry: 3.4.19.15 |
| 3.4.24.89 | Pro-Pro endopeptidase |
| 3.4.25.1 | proteasome endopeptidase complex |
| 3.4.25.2 | HslU--HslV peptidase |
| 3.4.26.1 | intramembrane prenyl-peptidase Rce1 |
| 3.4.26.2 | scytalidoglutamic peptidase |
| 3.4.99.1 | Transferred entry: 3.4.23.28 |
| 3.4.99.2 | Deleted entry |
| 3.4.99.3 | Deleted entry |
| 3.4.99.4 | Transferred entry: 3.4.23.12 |
| 3.4.99.5 | Transferred entry: 3.4.24.3 |
| 3.4.99.6 | Transferred entry: 3.4.24.21 |
| 3.4.99.7 | Deleted entry |
| 3.4.99.8 | Deleted entry |
| 3.4.99.9 | Deleted entry |
| 3.4.99.10 | Transferred entry: 3.4.24.56 |
| 3.4.99.11 | Deleted entry |
| 3.4.99.12 | Deleted entry |
| 3.4.99.13 | Transferred entry: 3.4.24.32 |
| 3.4.99.14 | Deleted entry |
| 3.4.99.15 | Deleted entry |
| 3.4.99.16 | Deleted entry |
| 3.4.99.17 | Deleted entry |
| 3.4.99.18 | Deleted entry |
| 3.4.99.19 | Transferred entry: 3.4.23.15 |
| 3.4.99.20 | Deleted entry |
| 3.4.99.21 | Deleted entry |
| 3.4.99.22 | Transferred entry: 3.4.24.29 |
| 3.4.99.23 | Deleted entry |
| 3.4.99.24 | Deleted entry |
| 3.4.99.25 | Transferred entry: 3.4.23.21 |
| 3.4.99.26 | Transferred entry: 3.4.21.68 and 3.4.21.73 |
| 3.4.99.27 | Deleted entry |
| 3.4.99.28 | Transferred entry: 3.4.21.60 |
| 3.4.99.29 | Deleted entry |
| 3.4.99.30 | Transferred entry: 3.4.24.20 |
| 3.4.99.31 | Transferred entry: 3.4.24.15 |
| 3.4.99.32 | Transferred entry: 3.4.24.20 |
| 3.4.99.33 | Deleted entry |
| 3.4.99.34 | Deleted entry |
| 3.4.99.35 | Transferred entry: 3.4.23.36 |
| 3.4.99.36 | Transferred entry: 3.4.21.89 |
| 3.4.99.37 | Deleted entry |
| 3.4.99.38 | Transferred entry: 3.4.23.17 |
| 3.4.99.39 | Deleted entry |
| 3.4.99.40 | Deleted entry |
| 3.4.99.41 | Transferred entry: 3.4.24.64 |
| 3.4.99.42 | Deleted entry |
| 3.4.99.43 | Transferred entry: 3.4.23.42 |
| 3.4.99.44 | Transferred entry: 3.4.24.55 |
| 3.4.99.45 | Transferred entry: 3.4.24.56 |
| 3.4.99.46 | Transferred entry: 3.4.25.1 |