EC 3.4.1 α-amino acyl peptide hydrolases (discontinued) • EC 3.4.1.1: Now , leucyl aminopeptidase • EC 3.4.1.2: Now , membrane alanyl aminopeptidase • EC 3.4.1.3: Now , tripeptide aminopeptidase • EC 3.4.1.4: Now , prolyl aminopeptidase
EC 3.4.2 Peptidyl amino acid hydrolases (discontinued) • EC 3.4.2.1: Now , carboxypeptidase A • EC 3.4.2.2: Now , carboxypeptidase B • EC 3.4.2.3: Now , Gly-Xaa carboxypeptidase
EC 3.4.3: Dipeptide hydrolases (deleted sub-subclass) • EC 3.4.3.1: Now , cytosol nonspecific dipeptidase • EC 3.4.3.2: Now , cytosol nonspecific dipeptidase • EC 3.4.3.3: Now , Xaa-His dipeptidase • EC 3.4.3.4: Now , Xaa-methyl-His dipeptidase • EC 3.4.3.5: Now , membrane alanyl aminopeptidase • EC 3.4.3.6: Now , cytosol nonspecific dipeptidase • EC 3.4.3.7: Now , Xaa-Pro dipeptidase
EC 3.4.4 Peptidyl Peptide Hydrolases (discontinued) • EC 3.4.4.1: Now , pepsin A • EC 3.4.4.2: Now , pepsin B • EC 3.4.4.3: Now , chymosin • EC 3.4.4.4: Now , trypsin • EC 3.4.4.5: Now , chymotrypsin • EC 3.4.4.6: Now , chymotrypsin • EC 3.4.4.7: Now covered by , pancreatic elastase and , leukocyte elastase • EC 3.4.4.8: Now , enteropeptidase • EC 3.4.4.9: Now , dipeptidyl-peptidase I • EC 3.4.4.10: Now , papain • EC 3.4.4.11: Now , chymopapain • EC 3.4.4.12: Now , ficain • EC 3.4.4.13: Now , thrombin • EC 3.4.4.14: Now , plasmin • EC 3.4.4.15: Now , renin • EC 3.4.4.16: Now covered by the microbial serine proteinases (subtilisin), (oryzin), (endopeptidase K), (thermomycolin), (thermitase) and (endopeptidase So) • EC 3.4.4.17: Now covered by the microbial aspartic proteinases (penicillopepsin), (rhizopuspepsin), (endothiapepsin), (mucorpepsin), (candidapepsin), (saccharopepsin), (rhodotorulapepsin), (physarolisin), (acrocylindropepsin), (polyporopepsin) and (pycnoporopepsin) • EC 3.4.4.18: Now , streptopain • EC 3.4.4.19: Now , microbial collagenase • EC 3.4.4.20: Now , clostripain • EC 3.4.4.21: Now (plasma kallikrein) and (tissue kallikrein) • EC 3.4.4.22: Now , gastricsin • EC 3.4.4.23: Now , cathepsin D • EC 3.4.4.24: Now covered by (stem bromelain) and (fruit bromelain) • EC 3.4.4.25: deleted ===EC 3.4.11
Aminopeptidases=== • :
leucyl aminopeptidase • :
membrane alanyl aminopeptidase • :
cystinyl aminopeptidase • :
tripeptide aminopeptidase • :
prolyl aminopeptidase • :
aminopeptidase B • :
glutamyl aminopeptidase • EC 3.4.11.8: Now
EC 3.4.19.3, pyroglutamyl-peptidase I • :
Xaa-Pro aminopeptidase • :
bacterial leucyl aminopeptidase • EC 3.4.11.11: Deleted • EC 3.4.11.12: Deleted • :
Clostridial aminopeptidase • :
cytosol alanyl aminopeptidase • :
aminopeptidase Y • :
Xaa-Trp aminopeptidase • :
tryptophanyl aminopeptidase • :
methionyl aminopeptidase • :
D-stereospecific aminopeptidase • :
aminopeptidase Ey • :
aspartyl aminopeptidase • :
aminopeptidase I • :
PepB aminopeptidase • :
aminopeptidase S • :
β-peptidyl aminopeptidase • :
intermediate cleaving peptidase 55 EC 3.4.12 Peptidylamino-acid hydrolases or acylamino-acid hydrolases (deleted sub-subclass) • EC 3.4.12.1: Now (carboxypeptidase C) and (carboxypeptidase D) • EC 3.4.12.2: Now , carboxypeptidase A • EC 3.4.12.3: Now , carboxypeptidase B • EC 3.4.12.4: Now , lysosomal Pro-Xaa carboxypeptidase • EC 3.4.12.5: Now ,
N-acetylmuramoyl-L-alanine amidase • EC 3.4.12.6: Now , muramoyl-pentapeptidase carboxypeptidase • EC 3.4.12.7: Now , lysine carboxypeptidase • EC 3.4.12.8: Now , Gly-Xaa carboxypeptidase • EC 3.4.12.9:
aspartate carboxypeptidase • EC 3.4.12.10: Now , γ-glutamyl hydrolase • EC 3.4.12.11: Now , alanine carboxypeptidase • EC 3.4.12.12: Now (carboxypeptidase C) and (carboxypeptidase D) • EC 3.4.12.13:
γ-glutamylglutamate carboxypeptidase EC 3.4.13 Dipeptidases • EC 3.4.13.1: Now , cytosol nonspecific dipeptidase • EC 3.4.13.2: Now , cytosol nonspecific dipeptidase • EC 3.4.13.3: The activity is covered by , cytosol nonspecific dipeptidase and , β-Ala-His dipeptidase • :
Xaa-Arg dipeptidase • :
Xaa-methyl-His dipeptidase • EC 3.4.13.6: Now , membrane alanyl aminopeptidase • :
Glu-Glu dipeptidase • EC 3.4.13.8: Now , cytosol nonspecific dipeptidase • :
Xaa-Pro dipeptidase • EC 3.4.13.10: Now , β-aspartyl-peptidase • EC 3.4.13.11: Now , membrane dipeptidase • :
Met-Xaa dipeptidase • EC 3.4.13.13: Now , Xaa-His dipeptidase • EC 3.4.13.14: Deleted • EC 3.4.13.15: Now , cytosol nonspecific dipeptidase • : Deleted • :
non-stereospecific dipeptidase • :
cytosol nonspecific dipeptidase • :
membrane dipeptidase • :
β-Ala-His dipeptidase • :
dipeptidase E • :
D-Ala-D-Ala dipeptidase • :
cysteinylglycine-S-conjugate dipeptidase ===EC 3.4.14
Dipeptidyl peptidases and
tripeptidyl peptidases=== • :
dipeptidyl-peptidase I • :
dipeptidyl-peptidase II • EC 3.4.14.3: Now , acylaminoacyl-peptidase • :
dipeptidyl-peptidase III • :
dipeptidyl-peptidase IV • :
dipeptidyl-dipeptidase • EC 3.4.14.7: Deleted • EC 3.4.14.8: Now , tripeptidyl-peptidase II • :
tripeptidyl-peptidase I • :
tripeptidyl-peptidase II • :
Xaa-Pro dipeptidyl-peptidase • :
Xaa-Xaa-Pro tripeptidyl-peptidase • :
γ-D-glutamyl-Llysine dipeptidyl-peptidase • : (mycofactocin precursor peptide) peptidase|[mycofactocin precursor peptide] peptidase ===EC 3.4.15
Peptidyl dipeptidases=== • :
peptidyl-dipeptidase A • EC 3.4.15.2: Now , peptidyl-glycinamidase • EC 3.4.15.3: Now , peptidyl-dipeptidase Dcp • :
Peptidyl-dipeptidase B • :
Peptidyl-dipeptidase Dcp • :
cyanophycinase ===EC 3.4.16
Serine type carboxypeptidases=== • EC 3.4.16.1: Transferred entry: serine carboxypeptidase. Now , carboxypeptidase D • :
lysosomal Pro-Xaa carboxypeptidase • EC 3.4.16.3: Now included with , carboxypeptidase C • :
serine-type D-Ala-D-Ala carboxypeptidase • :
carboxypeptidase C • :
carboxypeptidase D ===EC 3.4.17
Metallocarboxypeptidases=== • :
carboxypeptidase A • :
carboxypeptidase B • :
lysine carboxypeptidase • :
Gly-Xaa carboxypeptidase • EC 3.4.17.5: Deleted • :
alanine carboxypeptidase • EC 3.4.17.7: Now ,
N-acetylmuramoyl-L-alanine amidase • :
muramoylpentapeptide carboxypeptidase • EC 3.4.17.9: Now included with , Gly-Xaa carboxypeptidase • :
carboxypeptidase E • :
glutamate carboxypeptidase • :
carboxypeptidase M • :
Muramoyltetrapeptide carboxypeptidase • :
zinc D-Ala-D-Ala carboxypeptidase • :
carboxypeptidase A2 • :
membrane Pro-Xaa carboxypeptidase • :
tubulinyl-Tyr carboxypeptidase • :
carboxypeptidase T • :
Carboxypeptidase Taq • :
carboxypeptidase U • :
Glutamate carboxypeptidase II • :
metallocarboxypeptidase D • :
angiotensin-converting enzyme 2 • :
tubulin-glutamate carboxypeptidase ===EC 3.4.18
Cysteine type carboxypeptidases=== • :
cathepsin X ===EC 3.4.19
Omega peptidases=== • :
acylaminoacyl-peptidase • :
peptidyl-glycinamidase • :
pyroglutamyl-peptidase I • EC 3.4.19.4: Deleted • :
β-aspartyl-peptidase • :
pyroglutamyl-peptidase II • :
N-formylmethionyl-peptidase • EC 3.4.19.8: now , glutamate carboxypeptidase II • :
folate γ-glutamyl hydrolase • EC 3.4.19.10: Now ,
N-acetylmuramoyl-L-alanine amidase • :
γ-Dglutamyl-meso-diaminopimelate peptidase • :
ubiquitinyl hydrolase 1 • :
glutathione γ-glutamate hydrolase • :
leukotriene-C4 hydrolase • :
desampylase • :
glucosinolate γ-glutamyl hydrolase ===EC 3.4.21:
Serine proteases=== • :
chymotrypsin • :
chymotrypsin C • :
metridin • :
trypsin • :
thrombin • :
coagulation factor Xa • :
plasmin • EC 3.4.21.8: Now (plasma kallikrein) and (tissue kallikrein) • :
enteropeptidase • :
acrosin • EC 3.4.21.11: Now , leukocyte elastase • :
α-lytic endopeptidase • EC 3.4.21.13: Now , carboxypeptidase D • EC 3.4.21.14: now , endopeptidase So • EC 3.4.21.15: Now , oryzin • EC 3.4.21.16: Deleted • EC 3.4.21.17: Deleted • EC 3.4.21.18: Deleted • :
glutamyl endopeptidase • :
cathepsin G • :
coagulation factor VIIa • :
coagulation factor IXa • EC 3.4.21.23: Deleted • EC 3.4.21.24: Deleted • :
cucumisin • :
prolyl oligopeptidase • :
coagulation factor XIa • EC 3.4.21.28: Now , venombin A • EC 3.4.21.29: Now , venombin A • EC 3.4.21.30: Now , venombin A • EC 3.4.21.31: Now , u-plasminogen activator • :
brachyurin • EC 3.4.21.33: Deleted • :
plasma kallikrein • :
tissue kallikrein • :
pancreatic elastase • :
leukocyte elastase • :
coagulation factor XIIa • :
chymase • EC 3.4.21.40: Deleted • :
Complement subcomponent C1r • :
complement subcomponent C1s • :
classical-complement-pathway C3/C5 convertase • EC 3.4.21.44: Now , classical-complement-pathway C3/C5 convertase • :
complement factor I • :
complement factor D • :
alternative-complement-pathway C3/C5 convertase • :
cerevisin • :
hypodermin C • :
lysyl endopeptidase • EC 3.4.21.51: Deleted • EC 3.4.21.52: Deleted • :
edopeptidase La • :
γ-renin • :
venombin AB • EC 3.4.21.56: Now considered to be , cucumisin • :
leucyl endopeptidase • EC 3.4.21.58: Deleted • :
tryptase • :
scutelarin • :
kexin • :
subtilisin • :
oryzin • :
endopeptidase K • :
thermomycolin • :
thermitase • :
endopeptidase So • :
t-plasminogen activator • :
protein C (activated) • :
pancreatic endopeptidase E • :
pancreatic elastase II • :
IgA-specific serine endopeptidase • :
u-plasminogen activator • :
venombin A • :
furin • :
myeloblastin • :
semenogelase • :
granzyme A • :
granzyme B • :
streptogrisin A • :
streptogrisin B • :
glutamyl endopeptidase II • :
oligopeptidase B • :
limulus clotting factor C • :
limulus clotting factor B • :
limulus clotting enzyme • EC 3.4.21.87: Now , omptin • :
repressor LexA • :
signal peptidase I • :
togavirin • :
flavivirin • :
endopeptidase Clp • :
proprotein convertase 1 • :
proprotein convertase 2 • :
snake venom factor V activator • :
lactocepin • :
assemblin • :
hepacivirin • :
spermosin • :
sedolisin • :
xanthomonalisin • :
C-terminal processing peptidase • :
physarolisin • :
mannan-binding lectin-associated serine protease-2 • :
rhomboid protease • :
hepsin • :
peptidase Do • :
HtrA2 peptidase • :
matriptase • :
C5a peptidase • :
aqualysin 1 • :
site-1 protease • :
pestivirus NS3 polyprotein peptidase • :
equine arterivirus serine peptidase • :
infectious pancreatic necrosis birnavirus Vp4 peptidase • :
SpoIVB peptidase • :
stratum corneum chymotryptic enzyme • :
kallikrein 8 • :
kallikrein 13 • :
oviductin • :
Lys-Lys/Arg-Xaa endopeptidase ===EC 3.4.22
Cysteine proteases=== • :
cathepsin B • :
papain • :
ficain • EC 3.4.22.4: Now (stem bromelain) and (fruit bromelain) • EC 3.4.22.5: Now (stem bromelain) and (fruit bromelain) • :
chymopapain • :
asclepain • :
clostripain • EC 3.4.22.9: Now , cerevisin • :
streptopain • EC 3.4.22.11: Now , insulysin • EC 3.4.22.12: Now , γ-glutamyl hydrolase • EC 3.4.22.13: Deleted • :
actinidain • :
cathepsin L • :
cathepsin H • EC 3.4.22.17: Now , calpain-2 • EC 3.4.22.18: Now , prolyl oligopeptidase • EC 3.4.22.19: Now , thimet oligopeptidase • EC 3.4.22.20: Deleted • EC 3.4.22.21: Now , proteasome endopeptidase complex • EC 3.4.22.22: Now , saccharolysin • EC 3.4.22.23: Now , kexin • :
Cathepsin T • :
Glycyl endopeptidase • :
Cancer procoagulant • :
cathepsin S • :
picornain 3C • :
picornain 2A • :
Caricain • :
Ananain • :
Stem bromelain • :
Fruit bromelain • :
Legumain • :
Histolysain • :
caspase-1 • :
Gingipain R • :
Cathepsin K • :
adenain • :
bleomycin hydrolase • :
cathepsin F • :
cathepsin O • :
cathepsin V • :
nuclear-inclusion-a endopeptidase • :
helper-component proteinase • :
L-peptidase • :
gingipain K • :
staphopain • :
separase • :
V-cath endopeptidase • :
cruzipain • :
calpain-1 • :
calpain-2 • :
calpain-3 • :
caspase-2 • :
caspase-3 • :
caspase-4 • :
caspase-5 • :
caspase-6 • :
caspase-7 • :
caspase-8 • :
caspase-9 • :
caspase-10 • :
caspase-11 • :
peptidase 1 (mite) • :
calicivirin • :
zingipain • :
Ulp1 peptidase • :
SARS coronavirus main proteinase • :
sortase A • :
sortase B ===EC 3.4.23
Aspartic endopeptidases=== • :
pepsin A • :
pepsin B • :
gastricsin • :
chymosin • :
cathepsin D • EC 3.4.23.6: Now , pycnoporopepsin • EC 3.4.23.7: Now , penicillopepsin • EC 3.4.23.8: Now , saccharopepsin • EC 3.4.23.9: Now , rhizopuspepsin • EC 3.4.23.10: Now , endothiapepsin • EC 3.4.23.11: Deleted entry • :
nepenthesin • EC 3.4.23.13: Deleted • EC 3.4.23.14: Deleted • :
renin • :
HIV-1 retropepsin • :
pro-opiomelanocortin converting enzyme • :
aspergillopepsin I • :
aspergillopepsin II • :
penicillopepsin • :
rhizopuspepsin • :
endothiapepsin • :
mucorpepsin • :
candidapepsin • :
saccharopepsin • :
rhodotorulapepsin • EC 3.4.23.27: Now , physarolisin • :
acrocylindropepsin • :
polyporopepsin • :
pycnoporopepsin • :
scytalidopepsin A • :
scytalidopepsin B • EC 3.4.23.33: Now , xanthomonalisin • :
cathepsin E • :
barrierpepsin • :
signal peptidase II • EC 3.4.23.37: Now , pseudomonalisin • :
plasmepsin I • :
plasmepsin II • :
phytepsin • :
yapsin 1 • :
thermopsin • :
prepilin peptidase • :
nodavirus endopeptidase • :
memapsin 1 • :
memapsin 2 • :
HIV-2 retropepsin • :
plasminogen activator Pla • :
omptin • :
human endogenous retrovirus K endopeptidase • :
HycI peptidase • :
preflagellin peptidase ===EC 3.4.24:
Metallopeptidases=== • :
atrolysin A • : Deleted entry: Sepia proteinase • :
microbial collagenase • : now serralysin • EC 3.4.24.5: Deleted entry: lens neutral proteinase. Now included with (calpain-2) and (proteasome endopeptidase complex) • :
leucolysin • :
interstitial collagenase • EC 3.4.24.8: Transferred entry:
Achromobacter iophagus collagenase. Now , microbial collagenase • EC 3.4.24.9: Deleted entry: Trichophyton schoenleinii collagenase • EC 3.4.24.10: Deleted entry: Trichophyton mentagrophytes keratinase • :
neprilysin • :
envelysin • :
IgA-specific metalloendopeptidase • :
procollagen N-endopeptidase • :
thimet oligopeptidase • :
neurolysin • :
stromelysin 1 • :
meprin A • :
procollagen C-endopeptidase • :
peptidyl-Lys metalloendopeptidase • :
astacin • :
stromelysin 2 • :
matrilysin • :
gelatinase a • :
vibriolysin • :
pseudolysin • :
thermolysin • :
bacillolysin • :
aureolysin • :
coccolysin • :
mycolysin • :
β-lytic metalloendopeptidase • :
peptidyl-Asp metalloendopeptidase • :
neutrophil collagenase • :
gelatinase B • :
leishmanolysin • :
saccharolysin • :
gametolysin • :
deuterolysin • :
serralysin • :
atrolysin B • :
atrolysin C • :
atroxase • :
atrolysin E • :
atrolysin F • :
adamalysin • :
horrilysin • :
ruberlysin • :
bothropasin • :
bothrolysin • :
ophiolysin • :
trimerelysin I • :
trimerelysin II • :
mucrolysin • :
pitrilysin • :
insulysin • :
O-sialoglycoprotein endopeptidase • :
russellysin • :
mitochondrial intermediate peptidase • :
dactylysin • :
nardilysin • :
magnolysin • :
meprin B • :
mitochondrial processing peptidase • :
macrophage elastase • :
choriolysin L • :
choriolysin H • :
tentoxilysin • :
bontoxilysin • :
oligopeptidase A • :
endothelin-converting enzyme 1 • :
fibrolase • :
jararhagin • :
fragilysin • :
lysostaphin • :
flavastacin • :
snapalysin • :
gpr endopeptidase • :
pappalysin-1 • :
membrane-type matrix metalloproteinase-1 • :
ADAM10 endopeptidase • :
ADAMTS-4 endopeptidase • :
anthrax lethal factor endopeptidase • :
Ste24 endopeptidase • :
S2P endopeptidase • :
ADAM 17 endopeptidase • :
ADAMTS13 endopeptidase ===EC 3.4.25
Threonine endopeptidases=== • :
proteasome endopeptidase complex • :
HslU—HslV peptidase • EC 3.4.99.7: Deleted entry: euphorbain • EC 3.4.99.8: Deleted entry: Gliocladium proteinase • EC 3.4.99.9: Deleted entry: hurain. Now considered to be , cucumisin • EC 3.4.99.10: Transferred entry: insulinase. Now , insulysin • EC 3.4.99.11: Deleted entry: Streptomyces alkalophilic keratinase • EC 3.4.99.12: Deleted entry:
Trichophyton mentagrophytes keratinase • EC 3.4.99.13: Transferred entry: β-lytic proteinase (
Mycobacterium sorangium). Now , β-lytic metalloendopeptidase • EC 3.4.99.14: Deleted entry: mexicanain • EC 3.4.99.15: Deleted entry: Paecilomyces proteinase • EC 3.4.99.16: Deleted entry:
Penicillium notatum extracellular proteinase • EC 3.4.99.17: Deleted entry: peptidoglycan endopeptidase • EC 3.4.99.18: Deleted entry: pinguinain • EC 3.4.99.19: Transferred entry: renin. Now , renin • EC 3.4.99.20: Deleted entry: scopulariopsis proteinase • EC 3.4.99.21: Deleted entry: solanain. Now considered , cucumisin • EC 3.4.99.22: Transferred entry: staphylokinase. , aureolysin • EC 3.4.99.23: Deleted entry: tabernamontanain. Now considered
EC 3.4.21.25, cucumisin • EC 3.4.99.24: Deleted entry: Tenebrio α-proteinase • EC 3.4.99.25: Transferred entry: trametes acid proteinase. , rhizopuspepsin • EC 3.4.99.26: Transferred entry: urokinase. Now , t-plasminogen activator • EC 3.4.99.27: Deleted entry:
Echis carinatus prothrombin-activating proteinase • EC 3.4.99.28: Transferred entry:
Oxyuranus scutellatus prothrombin-activating proteinase. , scutelarin • EC 3.4.99.29: Deleted entry: Myxobacter AL-1 proteinase I • EC 3.4.99.30: Transferred entry: Myxobacter AL-1 proteinase II. , peptidyl-Lys metalloendopeptidase • EC 3.4.99.31: Transferred entry: tissue endopeptidase degrading collagenase synthetic substrate. , thimet oligopeptidase • EC 3.4.99.32: Transferred entry:
Armillaria mellea neutral proteinase. Now , peptidyl-Lys metalloendopeptidase • EC 3.4.99.33: Deleted entry: cathepsin R • EC 3.4.99.34: Deleted entry: mytilidase • EC 3.4.99.35: Transferred entry: premurein-leader peptidase. Now , signal peptidase II • EC 3.4.99.36: Transferred entry: leader peptidase. Now , signal peptidase I • EC 3.4.99.37: Deleted entry: RecA peptidase • EC 3.4.99.38: Transferred entry: pro-opiomelanotropin-converting proteinase. Now , pro-opiomelanocortin converting enzyme • EC 3.4.99.39: Deleted entry: pseudomurein endopeptidase • EC 3.4.99.40: Deleted entry: pro-gonadoliberin proteinase • EC 3.4.99.41: Transferred entry: mitochondrial processing peptidase. Now , mitochondrial processing peptidase • EC 3.4.99.42: Deleted entry: leucyllysine endopeptidase • EC 3.4.99.43: Transferred entry: thermopsin. Npw , thermopsin • EC 3.4.99.44: Transferred entry: pitrilysin. Now , pitrilysin • EC 3.4.99.45: Transferred entry: insulinase. Now , insulysin • EC 3.4.99.46: Transferred entry: multicatalytic endopeptidase complex. Now , proteasome endopeptidase complex ==EC 3.5: Acting on carbon-nitrogen bonds, other than peptide bonds==