Glycoside Hydrolase Family 18

Activities in Familychitinase (EC; lysozyme (EC; endo-β-N-acetylglucosaminidase (EC; peptidoglycan hydrolase with endo-β-N-acetylglucosaminidase specificity (EC 3.2.1.-); Nod factor hydrolase (EC 3.2.1.-); xylanase inhibitor; concanavalin B; narbonin
Mechanism Retaining
3D Structure Status( β / α ) 8
Catalytic Nucleophile/Basecarbonyl oxygen of C-2 acetamido group of substrate
Catalytic Proton DonorGlu (experimental)
NoteContains chitinases of classes III and V. Contains non-catalytic proteins such as xylanase inhibitor; concanavalin B; narbonin
External resourcesCAZypedia; HOMSTRAD; PROSITE;
Commercial Enzyme Provider(s)NZYTech; PROZOMIX;
Statistics GenBank accession (14617); Uniprot accession (3282); PDB accession (301); 3D entries (77); cryst (4)
All (13074) Archaea (61) Bacteria (9464) Eukaryota (3057) Viruses (255) unclassified (237) Structure (77 - 4 cryst) Characterized (477)
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | ... | 95 |
Protein Name EC#OrganismGenBank UniprotPDB/3D
 VSAL_I0757   Aliivibrio salmonicida LFI1238 CAQ78442.1 B6EH15  
 AWOD_I_1703 (ChiA)   Aliivibrio wodanis CED71771.1    
 AWOD_I_0978   Aliivibrio wodanis CED71069.1    
 Alfi_0055   Alistipes finegoldii DSM 17242 AFL76471.1    
 Alfi_0064   Alistipes finegoldii DSM 17242 AFL76480.1    
 Alfi_0071   Alistipes finegoldii DSM 17242 AFL76487.1    
 Alfi_0882   Alistipes finegoldii DSM 17242 AFL77250.1    
 Alfi_0894   Alistipes finegoldii DSM 17242 AFL77262.1    
 Alfi_0895   Alistipes finegoldii DSM 17242 AFL77263.1    
 Alfi_1104   Alistipes finegoldii DSM 17242 AFL77457.1    
 Alfi_1323   Alistipes finegoldii DSM 17242 AFL77669.1    
 Alfi_1558   Alistipes finegoldii DSM 17242 AFL77898.1    
 AL1_07250   Alistipes shahii WAL 8301 CBK63302.1 D4IK40  
 AL1_29030   Alistipes shahii WAL 8301 CBK65023.1 D4IQ11  
 AL1_08700   Alistipes shahii WAL 8301 CBK63421.1 D4IKF9  
 AL1_08710   Alistipes shahii WAL 8301 CBK63422.1 D4IKG0  
 AL1_08720   Alistipes shahii WAL 8301 CBK63423.1 D4IKG1  
 AL1_19370   Alistipes shahii WAL 8301 CBK64285.1 D4IMX3  
 AL1_19380   Alistipes shahii WAL 8301 CBK64286.1 D4IMX4  
 AL1_29020   Alistipes shahii WAL 8301 CBK65022.1 D4IQ10  
 AL1_29400   Alistipes shahii WAL 8301 CBK65046.1 D4IQ34  
 Amet_1089   Alkaliphilus metalliredigens QYMF ABR47301.1 A6TM83  
 Amet_3685   Alkaliphilus metalliredigens QYMF ABR49805.1 A6TUD7  
 Clos_0408   Alkaliphilus oremlandii OhILAs ABW17970.1 A8MLQ3  
 Clos_1547   Alkaliphilus oremlandii OhILAs ABW19090.1 A8MFC7  
 ORF   Alloactinosynnema sp. L-07 CRK59010.1    
 ORF   Alloactinosynnema sp. L-07 CRK57455.1    
 ORF   Alloactinosynnema sp. L-07 CRK57831.1    
 SD28_05945   Allofrancisella guangzhouensis 08HL01032 AJC49205.1    
 SD28_00900   Allofrancisella guangzhouensis 08HL01032 AJC49514.1    
 SD28_01345   Allofrancisella guangzhouensis 08HL01032 AJC48397.1    
 SD28_02700   Allofrancisella guangzhouensis 08HL01032 AJC48634.1    
 SD28_03540   Allofrancisella guangzhouensis 08HL01032 AJC48775.1    
 SAMN04489726_4263   Allokutzneria albata DSM 44149 SDM97201.1    
 SAMN04489726_3836   Allokutzneria albata DSM 44149 SDM88481.1    
 SAMN04489726_4793   Allokutzneria albata DSM 44149 SDN07850.1    
 SAMN04489726_5851   Allokutzneria albata DSM 44149 SDN27920.1    
 SAMN04489726_0438   Allokutzneria albata DSM 44149 SDM22106.1    
 SAMN04489726_3228   Allokutzneria albata DSM 44149 SDM75524.1    
 SAMN04489726_6540   Allokutzneria albata DSM 44149 SDN42093.1    
 AXY_00170   Amphibacillus xylanus NBRC 15112 BAM46149.1    
 AJAP_24440 (Chia2)   Amycolatopsis japonica MG417-CF17 AIG77737.1    
 AJAP_06830 (Chic1)   Amycolatopsis japonica MG417-CF17 AIG74283.1    
 AJAP_06820 (Chi01)   Amycolatopsis japonica MG417-CF17 AIG74281.1    
 AJAP_25340   Amycolatopsis japonica MG417-CF17 AIG77916.1    
 AJAP_31295   Amycolatopsis japonica MG417-CF17 AIG79081.1    
 AJAP_34465   Amycolatopsis japonica MG417-CF17 AIG79700.1    
 AJAP_22730   Amycolatopsis japonica MG417-CF17 AIG77401.1    
 AJAP_06825   Amycolatopsis japonica MG417-CF17 AIG74282.1    
 AJAP_20855   Amycolatopsis japonica MG417-CF17 AIG77031.1    
 AJAP_26680 (Chic2)   Amycolatopsis japonica MG417-CF17 AIG78183.1    
 SAMN04489733_4900   Amycolatopsis keratiniphila FH 1893 SDU48654.1    
 SAMN04489733_4191   Amycolatopsis keratiniphila FH 1893 SDU43346.1    
 SAMN04489733_8295   Amycolatopsis keratiniphila FH 1893 SDU68379.1    
 SAMN04489733_2879   Amycolatopsis keratiniphila FH 1893 SDU30481.1    
 SAMN04489733_8294   Amycolatopsis keratiniphila FH 1893 SDU68371.1    
 SAMN04489733_2149   Amycolatopsis keratiniphila FH 1893 SDU21935.1    
 SAMN04489733_3063   Amycolatopsis keratiniphila FH 1893 SDU32581.1    
 SAMN04489733_3336   Amycolatopsis keratiniphila FH 1893 SDU35424.1    
 SAMN04489733_8293   Amycolatopsis keratiniphila FH 1893 SDU68366.1    
 BB31_24550   Amycolatopsis lurida NRRL 2430 AJK56373.1    
 BB31_40935   Amycolatopsis lurida NRRL 2430 AJK59299.1    
 BB31_30595   Amycolatopsis lurida NRRL 2430 AJK57481.1    
 BB31_04880   Amycolatopsis lurida NRRL 2430 AJK52810.1    
 BB31_24540   Amycolatopsis lurida NRRL 2430 AJK56372.1    
 BB31_39035   Amycolatopsis lurida NRRL 2430 AJK58990.1    
 BB31_07140   Amycolatopsis lurida NRRL 2430 AJK53216.1    
 BB31_37920   Amycolatopsis lurida NRRL 2430 AJK58784.1    
 BB31_24555   Amycolatopsis lurida NRRL 2430 AJK56374.1    
 BB31_17155   Amycolatopsis lurida NRRL 2430 AJK54993.1    
 B737_1609   Amycolatopsis mediterranei RB AGT82273.1    
 B737_7407   Amycolatopsis mediterranei RB AGT88068.1    
 B737_4989   Amycolatopsis mediterranei RB AGT85653.1    
 B737_1031   Amycolatopsis mediterranei RB AGT81695.1    
 B737_1543   Amycolatopsis mediterranei RB AGT82207.1    
 B737_6962   Amycolatopsis mediterranei RB AGT87625.1    
 B737_7469   Amycolatopsis mediterranei RB AGT88130.1    
 B737_8252   Amycolatopsis mediterranei RB AGT88913.1    
 B737_0274   Amycolatopsis mediterranei RB AGT80938.1    
 B737_0273   Amycolatopsis mediterranei RB AGT80937.1    
 B737_2867   Amycolatopsis mediterranei RB AGT83531.1    
 B737_4799   Amycolatopsis mediterranei RB AGT85463.1    
 B737_5497 (AtL)   Amycolatopsis mediterranei RB AGT86161.1    
 B737_2441   Amycolatopsis mediterranei RB AGT83105.1    
 RAM_14715   Amycolatopsis mediterranei S699 AEK41431.1
 RAM_01405   Amycolatopsis mediterranei S699 AEK38776.1
 RAM_36275   Amycolatopsis mediterranei S699 AEK45728.1
 RAM_43030   Amycolatopsis mediterranei S699 AEK47073.1
 RAM_05265   Amycolatopsis mediterranei S699 AEK39545.1
 RAM_12545   Amycolatopsis mediterranei S699 AEK40999.1
 RAM_01400   Amycolatopsis mediterranei S699 AEK38775.1
 RAM_28380   Amycolatopsis mediterranei S699 AEK44153.1
 RAM_24730   Amycolatopsis mediterranei S699 AEK43424.1
 RAM_25705   Amycolatopsis mediterranei S699 AEK43619.1
 RAM_07880   Amycolatopsis mediterranei S699 AEK40066.1
 RAM_08220   Amycolatopsis mediterranei S699 AEK40134.1
 AMES_7407   Amycolatopsis mediterranei S699 AEK46195.1
 AMES_7469   Amycolatopsis mediterranei S699 AFO81002.1
 AMED_0277   Amycolatopsis mediterranei U32 ADJ42100.1 D8HVY3  
 AMED_0278   Amycolatopsis mediterranei U32 ADJ42101.1 D8HVY4  

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