| BACE1 | BACE1 | beta-secretase 1 | BACE, "beta-site APP-cleaving enzyme 1" | aspartyl |
| CTSD | CTSD | cathepsin D | "ceroid-lipofuscinosis, neuronal 10", CLN10, CPSD | aspartyl |
| CAPN1 | CAPN1 | calpain 1 | CANP, CANPL1, muCANP, muCL | cysteine |
| CASP1 | CASP1 | caspase 1 | "caspase-1", ICE, "interleukin 1, beta, convertase", IL1BC | cysteine |
| CASP2 | CASP2 | caspase 2 | ICH1, MGC2181, PPP1R57, "protein phosphatase 1, regulatory subunit 57", NEDD2 | cysteine |
| CASP3 | CASP3 | caspase 3 | apopain, CPP32, CPP32B, Yama | cysteine |
| CASP5 | CASP5 | caspase 5 | ICE(rel)III | cysteine |
| CASP6 | CASP6 | caspase 6 | MCH2 | cysteine |
| CASP7 | CASP7 | caspase 7 | CMH-1, ICE-LAP3, MCH3 | cysteine |
| CASP8 | CASP8 | caspase 8 | Casp-8, FLICE, MACH, MCH5 | cysteine |
| CASP9 | CASP9 | caspase 9 | APAF-3, ICE-LAP6, MCH6, PPP1R56, "protein phosphatase 1, regulatory subunit 56" | cysteine |
| CTSB | CTSB | cathepsin B | - | cysteine |
| CTSK | CTSK | cathepsin K | PKND, CTSO, CTSO2, PYCD | cysteine |
| CTSL | CTSL | cathepsin L | FLJ31037, CTSL1 | cysteine |
| CTSS | CTSS | cathepsin S | - | cysteine |
| ACE | ACE | angiotensin I converting enzyme | ACE1, CD143, "peptidyl-dipeptidase A", DCP1 | metallo |
| ACE2 | ACE2 | angiotensin I converting enzyme 2 | "peptidyl-dipeptidase A" | metallo |
| ADAM10 | ADAM10 | ADAM metallopeptidase domain 10 | CD156c, HsT18717, kuz, MADM | metallo |
| ADAM17 | ADAM17 | ADAM metallopeptidase domain 17 | CD156B, cSVP, TACE | metallo |
| DPP3 | DPP3 | dipeptidyl peptidase 3 | "dipeptidylpeptidase III" | metallo |
| IDE | IDE | insulin degrading enzyme | "insulysin" | metallo |
| MME | MME | membrane metalloendopeptidase | CALLA, CD10, "enkephalinase", NEP, "neprilysin", "neutral endopeptidase" | metallo |
| MMP1 | MMP1 | matrix metallopeptidase 1 | CLG, "interstitial collagenase" | metallo |
| MMP12 | MMP12 | matrix metallopeptidase 12 | HME, "macrophage elastase" | metallo |
| MMP13 | MMP13 | matrix metallopeptidase 13 | CLG3, "collagenase 3" | metallo |
| MMP14 | MMP14 | matrix metallopeptidase 14 | "membrane type 1 metalloprotease", MT1-MMP | metallo |
| MMP2 | MMP2 | matrix metallopeptidase 2 | TBE-1, CLG4, CLG4A | metallo |
| MMP3 | MMP3 | matrix metallopeptidase 3 | STMY, STMY1 | metallo |
| MMP7 | MMP7 | matrix metallopeptidase 7 | "matrilysin", PUMP-1, MPSL1 | metallo |
| MMP8 | MMP8 | matrix metallopeptidase 8 | CLG1, "matrix metalloproteinase 8 (neutrophil collagenase)" | metallo |
| MMP9 | MMP9 | matrix metallopeptidase 9 | CLG4B, "matrix metalloproteinase 9 (gelatinase B, 92kDa gelatinase, 92kDa type IV collagenase)" | metallo |
| ClpP/X | ClpP/X | caseinolytic mitochondrial matrix peptidase proteolytic subunit | "ATP-dependent protease ClpAP (E. coli), proteolytic subunit, human" | serine |
| DPP4 | DPP4 | dipeptidyl peptidase 4 | DPPIV, ADCP2, CD26 | serine |
| DPP8 | DPP8 | dipeptidyl peptidase 8 | "dipeptidyl peptidase IV-related protein-1", "dipeptidyl peptidase VIII", DP8, DPRP1, FLJ14920, FLJ20283, MGC26191, MSTP141, "prolyl dipeptidase DPP8" | serine |
| DPP9 | DPP9 | dipeptidyl peptidase 9 | - | serine |
| F2 | F2 | coagulation factor II, thrombin | "prepro-coagulation factor II" | serine |
| FACTOR VII | FACTOR VII | coagulation factor VII | "eptacog alfa", "factor VII", "FVII coagulation protein" | serine |
| FACTOR Xa | FACTOR Xa | coagulation factor X | - | serine |
| FAP | FAP | fibroblast activation protein alpha | DPPIV, "seprase" | serine |
| FURIN | FURIN | furin, paired basic amino acid cleaving enzyme | SPC1, FUR, PACE, PCSK3 | serine |
| GZMA | GZMA | granzyme A | "CTL tryptase", "Cytotoxic T-lymphocyte-associated serine esterase-3", "granzyme 1", "Hanukah factor serine protease)", CTLA3, HFSP | serine |
| GZMB | GZMB | granzyme B | "cathepsin G-like 1", CCPI, CGL1, CSPB, CTSGL1, "cytotoxic serine protease B", "cytotoxic T-lymphocyte-associated serine esterase 1", "fragmentin 2", "granzyme 2", HLP, SECT, "T-cell serine protease 1-3E", CTLA1 | serine |
| GZMK | GZMK | granzyme K | PRSS, TRYP2, "tryptase II" | serine |
| HTRA2 | HTRA2 | HtrA serine peptidase 2 | OMI, PARK13, PRSS25 | serine |
| KLK4 | KLK4 | kallikrein related peptidase 4 | EMSP, EMSP1, "enamel matrix serine proteinase 1", KLK-L1, PSTS | serine |
| KLK7 | KLK7 | kallikrein related peptidase 7 | SCCE, PRSS6 | serine |
| KLK11 | KLK11 | kallikrein related peptidase 11 | TLSP, PRSS20 | serine |
| KLK13 | KLK13 | kallikrein related peptidase 13 | KLK-L4 | serine |
| KLK3 | KLK3 | kallikrein related peptidase 3 | PSA, APS | serine |
| PLAT | PLAT | plasminogen activator, tissue type | - | serine |
| PLAU | PLAU | plasminogen activator, urokinase | UPA, URK | serine |
| PLG | PLG | plasminogen | - | serine |
| PREP | PREP | prolyl endopeptidase | "prolyl oligopeptidase" | serine |
| PSMB10, MECL1 | PSMB10, MECL1 | proteasome subunit beta 10 | beta2i, LMP10, MGC1665, MECL1 | threonine |
| PSMB5, beta 5 | PSMB5, beta 5 | proteasome subunit beta 5 | MB1, X | threonine |
| PSMB6, beta 6 | PSMB6, beta 6 | proteasome subunit beta 6 | DELTA, Y | threonine |
| PSMB7, beta 7 | PSMB7, beta 7 | proteasome subunit beta 7 | - | threonine |
| PSMB8, LMP7 | PSMB8, LMP7 | proteasome subunit beta 8 | beta5i, D6S216E, PSMB5i, RING10, LMP7 | threonine |
| PSMB9, LMP2 | PSMB9, LMP2 | proteasome subunit beta 9 | beta1i, PSMB6i, RING12, LMP2 | threonine |
| ST14 | ST14 | suppression of tumorigenicity 14 | "epithin", HAI, "matriptase", MT-SP1, SNC19, TMPRSS14, PRSS14 | serine |
| TMPRSS5 | TMPRSS5 | transmembrane protease, serine 5 | MGC141886, MGC148044, "spinesin" | serine |
