+C Peptidases and inhibitors KO
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Peptidases and Inhibitors - Klebsiella pneumoniae JM45
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AAspartic peptidases
B Family A1: pepsin family
B Family A2: retropepsin family
B Family A5: thermopsin family
B Family A8: signal peptidase II family
C N559_4411 lipoprotein signal peptidase K03101 lspA; signal peptidase II [EC:3.4.23.36]
B Family A22: presenilin family
B Family A24: type IV prepilin peptidase family
C N559_4270 type IV prepilin leader peptidase K02464 gspO; general secretion pathway protein O [EC:3.4.23.43 2.1.1.-]
C N559_0432 bifunctional prepilin leader peptidase and N-methyltransferase K02506 hofD; leader peptidase HopD [EC:3.4.23.43]
B Family A25: gpr protease family
B Family A26: omptin family
B Family A28
B Family A31: HybD endopeptidase family
C N559_1181 hydrogenase 3 maturation protease K08315 hycI; hydrogenase 3 maturation protease [EC:3.4.23.51]
B Family A36
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ACysteine peptidases
B Family C1: papain family
B Family C2: calpain family
B Family C3: picornain family
B Family C4: NIa protease family
B Family C5
B Family C9
B Family C10: streptopain family
B Family C11: clostripain family
B Family C12: ubiquitin C-terminal hydrolase family
B Family C13: legumain family
B Family C14: caspase family
B Family C15: pyroglutamyl peptidase I family
C N559_3600 pyroglutamyl-peptidase I K01304 PGPEP1; pyroglutamyl-peptidase [EC:3.4.19.3]
B Family C16
B Family C19: ubiquitin-specific protease family
B Family C25: gingipain family
B Family C26: gamma-glutamyl hydrolase family
C N559_1419 GMP synthase domain protein K01951 guaA; GMP synthase (glutamine-hydrolysing) [EC:6.3.5.2]
C N559_2485 class I glutamine amidotransferase K01951 guaA; GMP synthase (glutamine-hydrolysing) [EC:6.3.5.2]
C N559_2519 glutamine amidotransferase K01951 guaA; GMP synthase (glutamine-hydrolysing) [EC:6.3.5.2]
C N559_3267 gamma-glutamyl-gamma-aminobutyrate hydrolase K09473 puuD; gamma-glutamyl-gamma-aminobutyrate hydrolase [EC:3.5.1.94]
B Family C27
B Family C30
B Family C37
B Family C39
C N559_4756 microcin H47 ABC transporter, permease/ATP-binding protein K13409 cvaB; ATP-binding cassette, subfamily B, bacterial CvaB/MchF/RaxB
B Family C40
C N559_1645 putative outer membrane lipoprotein K13694 mepS; murein DD-endopeptidase / murein LD-carboxypeptidase [EC:3.4.-.- 3.4.17.13]
C N559_2293 putative lipoprotein K19303 mepH; murein DD-endopeptidase [EC:3.4.-.-]
C N559_2117 lipoprotein K13695 nlpC; probable lipoprotein NlpC
C N559_4132 lipoprotein K13695 nlpC; probable lipoprotein NlpC
B Family C44
C N559_1549 amidophosphoribosyltransferase K00764 purF; amidophosphoribosyltransferase [EC:2.4.2.14]
C N559_0540 glutamate synthase subunit alpha K00265 gltB; glutamate synthase (NADPH) large chain [EC:1.4.1.13]
C N559_0015 glucosamine-fructose-6-phosphate aminotransferase K00820 glmS; glutamine---fructose-6-phosphate transaminase (isomerizing) [EC:2.6.1.16]
C N559_3633 asparagine synthase K01953 asnB; asparagine synthase (glutamine-hydrolysing) [EC:6.3.5.4]
B Family C45
B Family C46: hedgehog family
B Family C47: staphopain family
B Family C48: Ulp1 endopeptidase family
B Family C50: separase family
B Family C54: Aut2 peptidase family
B Family C55: YopJ protease family
B Family C56: PfpI endopeptidase family
C N559_0606 putative intracellular proteinase K05520 yhbO; deglycase [EC:3.5.1.124]
C N559_4031 DJ-1 family protein K03152 thiJ; protein deglycase [EC:3.5.1.124]
B Family C57: vaccinia virus I7 peptidase family
B Family C58
B Family C59
B Family C60
B Family C63
B Family C64
B Family C65
B Family C67
B Family C69
B Family C70
B Family C75
B Family C76
B Family C78
B Family C79
B Family C82
C N559_1824 hypothetical protein K19236 ldtA_B_C_E; L,D-transpeptidase
C N559_3176 putative enzyme K19236 ldtA_B_C_E; L,D-transpeptidase
C N559_3482 hypothetical protein K19236 ldtA_B_C_E; L,D-transpeptidase
C N559_3325 hypothetical protein K21470 ldtD; L,D-transpeptidase
C N559_4183 hypothetical protein K28919 dpaA; peptidoglycan meso-diaminopimelic acid protein amidase A [EC:3.4.-.-]
B Family C83
B Family C85
B Family C86
B Family C88
B Family C89
B Family C97
B Family C98
B Family C110
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AGlutamic peptidases
B Family G1
B Family G4
B Family G5: prenyl protease 2 family
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AMetallo peptidases
B Family M1
C N559_3313 aminopeptidase N K01256 pepN; aminopeptidase N [EC:3.4.11.2]
B Family M2
B Family M3
C N559_0291 oligopeptidase A K01414 prlC; oligopeptidase A [EC:3.4.24.70]
C N559_2732 dipeptidyl carboxypeptidase II K01284 dcp; peptidyl-dipeptidase Dcp [EC:3.4.15.5]
B Family M4: thermolysin family
B Family M5: mycolysin family
B Family M6: immune inhibitor A family
B Family M7: snapalysin family
B Family M8: leishmanolysin family
B Family M9
B Family M10
B Family M12: astacin/adamalysin family
B Family M13: neprilysin family
B Family M14: carboxypeptidase A family
B Family M15: zinc D-Ala-D-Ala carboxypeptidase family
B Family M16: pitrilysin family
C N559_1008 protease III K01407 ptrA; protease III [EC:3.4.24.55]
B Family M17: leucyl aminopeptidase family
C N559_4625 leucyl aminopeptidase K01255 CARP; leucyl aminopeptidase [EC:3.4.11.1]
C N559_1400 peptidase B K07751 pepB; PepB aminopeptidase [EC:3.4.11.23]
B Family M18
B Family M19: membrane dipeptidase family
C N559_2491 renal dipeptidase family protein K01273 DPEP; membrane dipeptidase [EC:3.4.13.19]
B Family M20
C N559_1449 succinyl-diaminopimelate desuccinylase K01439 dapE; succinyl-diaminopimelate desuccinylase [EC:3.5.1.18]
C N559_2567 putative acetylornithine deacetylase K01439 dapE; succinyl-diaminopimelate desuccinylase [EC:3.5.1.18]
C N559_3162 peptidase T K01258 pepT; tripeptide aminopeptidase [EC:3.4.11.4]
C N559_4172 Xaa-His dipeptidase K01270 pepD; dipeptidase D [EC:3.4.13.-]
C N559_3818 amidohydrolase K01451 hipO; hippurate hydrolase [EC:3.5.1.32]
C N559_2791 aminobenzoyl-glutamate utilization protein K12940 abgA; aminobenzoyl-glutamate utilization protein A
C N559_2792 aminobenzoyl-glutamate utilization protein K12941 abgB; aminobenzoyl-glutamate utilization protein B
C N559_2541 allantoate amidohydrolase K02083 allC; allantoate deiminase [EC:3.5.3.9]
B Family M23
C N559_1888 hypothetical protein K19304 mepM; murein DD-endopeptidase [EC:3.4.24.-]
B Family M24
C N559_2633 methionine aminopeptidase, type I K01265 map; methionyl aminopeptidase [EC:3.4.11.18]
C N559_4233 methionine aminopeptidase K01265 map; methionyl aminopeptidase [EC:3.4.11.18]
C N559_4947 proline dipeptidase K01271 pepQ; Xaa-Pro dipeptidase [EC:3.4.13.9]
C N559_0894 proline aminopeptidase P II K01262 pepP; Xaa-Pro aminopeptidase [EC:3.4.11.9]
B Family M26
B Family M27
B Family M28: aminopeptidase Y family
C N559_1116 alkaline phosphatase isozyme conversion aminopeptidase K09612 iap; alkaline phosphatase isozyme conversion protein [EC:3.4.11.-]
B Family M29: aminopeptidase T family
B Family M32: carboxypeptidase Taq family
C N559_2754 thermostable carboxypeptidase 1 K01299 E3.4.17.19; carboxypeptidase Taq [EC:3.4.17.19]
B Family M34: anthrax lethal factor family
B Family M35: deuterolysin family
B Family M36: fungalysin family
B Family M38: beta-aspartyl dipeptidase family
B Family M41: FtsH endopeptidase family
C N559_0579 ATP-dependent metalloprotease K03798 ftsH; cell division protease FtsH [EC:3.4.24.-]
B Family M42: glutamyl aminopeptidase family
B Family M43: cytophagalysin family
B Family M44
B Family M48: Ste24 endopeptidase family
C N559_1918 heat shock protein HtpX K03799 htpX; heat shock protein HtpX [EC:3.4.24.-]
C N559_5261 peptidase, M48 family K03799 htpX; heat shock protein HtpX [EC:3.4.24.-]
C N559_1437 hypothetical protein K01423 bepA; beta-barrel assembly-enhancing protease [EC:3.4.-.-]
B Family M49: dipeptidyl-peptidase III family
B Family M50: S2P protease family
C N559_4225 zinc metallopeptidase RseP K11749 rseP; regulator of sigma E protease [EC:3.4.24.-]
B Family M54
B Family M55: DppA aminopeptidase family
B Family M56
B Family M67
B Family M72
B Family M73
B Family M74
C N559_1533 penicillin-insensitive murein endopeptidase K07261 mepA; penicillin-insensitive murein DD-endopeptidase [EC:3.4.24.-]
B Family M80
B Family M82
B Family M85
B Family M88
B Family M90
C N559_1827 hypothetical protein K09933 mtfA; MtfA peptidase
B Family M98
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AAsparagine peptide lyases
B Family N1
B Family N8
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AMixed peptidases
B Family P1: DmpA aminopeptidase family
B Family P2
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ASerine peptidases
B Family S1: chymotrypsin family
C N559_2757 hypothetical protein K04775 ydgD; protease YdgD [EC:3.4.21.-]
C N559_4238 serine endoprotease K04771 degP; serine protease Do [EC:3.4.21.107]
C N559_0530 serine endoprotease K04772 degQ; serine protease DegQ [EC:3.4.21.-]
C N559_0529 serine endoprotease K04691 hhoB; serine protease DegS [EC:3.4.21.-]
B Family S3: togavirin family
B Family S6
B Family S7: flavivirin family
B Family S8: subtilisin family
B Family S9: prolyl oligopeptidase family
C N559_1899 protease 2 K01354 ptrB; oligopeptidase B [EC:3.4.21.83]
B Family S10
B Family S11: D-Ala-D-Ala carboxypeptidase A family
C N559_1789 D-alanyl-D-alanine carboxypeptidase K07258 dacC; serine-type D-Ala-D-Ala carboxypeptidase (penicillin-binding protein 5/6) [EC:3.4.16.4]
C N559_3458 D-alanyl-D-alanine carboxypeptidase fraction C K07258 dacC; serine-type D-Ala-D-Ala carboxypeptidase (penicillin-binding protein 5/6) [EC:3.4.16.4]
C N559_3658 D-alanyl-D-alanine carboxypeptidase DacA K07258 dacC; serine-type D-Ala-D-Ala carboxypeptidase (penicillin-binding protein 5/6) [EC:3.4.16.4]
C N559_1684 D-alanyl-D-alanine endopeptidase K07262 pbpG; serine-type D-Ala-D-Ala endopeptidase (penicillin-binding protein 7) [EC:3.4.21.-]
B Family S12: D-Ala-D-Ala carboxypeptidase B family
C N559_4095 beta-lactam binding protein AmpH K18988 ampH; serine-type D-Ala-D-Ala carboxypeptidase/endopeptidase [EC:3.4.16.4 3.4.21.-]
B Family S13: D-Ala-D-Ala peptidase C family
C N559_0575 D-alanyl-D-alanine carboxypeptidase/endopeptidase K07259 dacB; serine-type D-Ala-D-Ala carboxypeptidase/endopeptidase (penicillin-binding protein 4) [EC:3.4.16.4 3.4.21.-]
B Family S14: ClpP endopeptidase family
C N559_4008 ATP-dependent Clp protease proteolytic subunit K01358 clpP; ATP-dependent Clp protease, protease subunit [EC:3.4.21.92]
B Family S15
B Family S16: lon protease family
C N559_4006 DNA-binding ATP-dependent protease La K01338 lon; ATP-dependent Lon protease [EC:3.4.21.53]
C N559_3298 putative ATP-dependent protease K04770 lonH; Lon-like ATP-dependent protease [EC:3.4.21.-]
B Family S21: assemblin family
B Family S24: LexA family
C N559_4869 LexA repressor K01356 lexA; repressor LexA [EC:3.4.21.88]
C N559_3110 DNA polymerase V subunit UmuD K03503 umuD; DNA polymerase V [EC:3.4.21.-]
C N559_5315 umuDC operon protein-like protein K03503 umuD; DNA polymerase V [EC:3.4.21.-]
B Family S26: signal peptidase I family
C N559_1360 signal peptidase I K03100 lepB; signal peptidase I [EC:3.4.21.89]
B Family S28
B Family S31
B Family S32
B Family S33
B Family S41: C-terminal processing peptidase family
C N559_1917 carboxy-terminal protease K03797 E3.4.21.102; carboxyl-terminal processing protease [EC:3.4.21.102]
B Family S45
B Family S49: protease IV family
C N559_3080 signal peptide peptidase SppA K04773 sppA; protease IV [EC:3.4.21.-]
C N559_3008 peptidase S49 domain-containing protein K04774 sohB; serine protease SohB [EC:3.4.21.-]
B Family S50
B Family S51
B Family S53
B Family S54: Rhomboid family
C N559_0364 intramembrane serine protease GlpG K02441 glpG; rhomboid protease GlpG [EC:3.4.21.105]
B Family S55: SpoIVB peptidase family
B Family S62
B Family S66
C N559_1960 L,D-carboxypeptidase A K01297 ldcA; muramoyltetrapeptide carboxypeptidase [EC:3.4.17.13]
B Family S77: phage prohead processing peptidase family
B Family S78
C N559_0490 phage prohead protease, HK97 family K06904 GP4; Escherichia/Staphylococcus phage prohead protease
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AThreonine peptidases
B Family T1: proteasome family
C N559_5052 ATP-dependent protease peptidase subunit K01419 hslV; ATP-dependent HslUV protease, peptidase subunit HslV [EC:3.4.25.2]
B Family T2
C N559_3470 L-asparaginase K13051 ASRGL1; L-asparaginase / beta-aspartyl-peptidase [EC:3.5.1.1 3.4.19.5]
B Family T3: gamma-glutamyltransferase family
C N559_0347 gamma-glutamyltransferase K00681 ggt; gamma-glutamyltranspeptidase / glutathione hydrolase [EC:2.3.2.2 3.4.19.13]
C N559_2533 gamma-glutamyltransferase K22602 hpxW; oxamate amidohydrolase [EC:3.5.1.126]
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APeptidases of unknown catalytic type
B Family U32
C N559_1727 putative protease K08303 prtC; U32 family peptidase [EC:3.4.-.-]
C N559_0600 putative protease K24845 ubiV; 2-(all-trans-polyprenyl)phenol 6-hydroxylase (prephenate) UbiV [EC:1.97.1.15]
C N559_0601 peptidase, U32 family K24844 ubiU; 2-(all-trans-polyprenyl)phenol 6-hydroxylase (prephenate) UbiU [EC:1.97.1.15]
B Family U62
C N559_4665 peptidase PmbA K03592 pmbA; PmbA protein
C N559_0517 protease TldD K03568 tldD; TldD protein
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APeptidase inhibitors
B Family I1: Kazal family
B Family I2: Kunitz - BPTI family
B Family I4: serpin family
B Family I11: ecotin family
C N559_1626 ecotin K08276 eco; ecotin
B Family I17: WAP-type family
B Family I25: cystatin family
B Family I27: calpastatin family
B Family I32: IAP family
B Family I34: IA3 family
B Family I35: timp family
B Family I39: alpha2M family
C N559_1404 hypothetical protein K06894 yfhM; alpha-2-macroglobulin
B Family I47: latexin family
B Family I49: proSAAS family
B Family I51: IC family
B Family I57: staphostatin B family
B Family I63
B Family I80
B Family I87
C N559_4722 FtsH protease regulator HflC K04087 hflC; modulator of FtsH protease HflC
C N559_4723 FtsH protease regulator HflK K04088 hflK; modulator of FtsH protease HflK
B Family I93
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#[ BRITE | KEGG2 | KEGG ]
#Last updated: July 14, 2026
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Classification taken and modified from MEROPS