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 (15992); Uniprot accession (3282); PDB accession (321); 3D entries (84); cryst (4)
All (14451) Archaea (61) Bacteria (10619) Eukaryota (3241) Viruses (293) unclassified (237) Structure (84 - 4 cryst) Characterized (477)
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | ... | 107 |
Protein Name EC#OrganismGenBank UniprotPDB/3D
 CK911_00930   Aeromonas sp. CU5 ATL91532.1    
 CK911_12780   Aeromonas sp. CU5 ATL95172.1    
 CK911_17005   Aeromonas sp. CU5 ATL94317.1    
 O23A_p0040   Aeromonas sp. O23A ARW80794.1    
 O23A_p2689   Aeromonas sp. O23A ARW83428.1    
 WM43_12265   Aeromonas veronii AVNIH1 ANB53380.1    
 WM43_17395   Aeromonas veronii AVNIH1 ANB54299.1    
 WM43_17340   Aeromonas veronii AVNIH1 ANB54293.1    
 WM43_17350   Aeromonas veronii AVNIH1 ANB54295.1    
 chitinase (ChiB565;B565_0857) Aeromonas veronii B565 AEB48892.1    
 B565_3976   Aeromonas veronii B565 AEB52011.1    
 chitinase (Chi92;B565_0850)   Aeromonas veronii B565 AEB48885.1    
 chitinase (ChiA;B565_0852)   Aeromonas veronii B565 AEB48887.1    
 ChiA (ChiA) (fragment)   Aeromonas veronii bv. sobria Ho635 ADZ06077.1    
 ChiA (ChiA) (fragment)   Aeromonas veronii bv. sobria Hv648 ADZ06079.1    
 ChiA (ChiA) (fragment)   Aeromonas veronii bv. sobria LMG13695 ADZ06069.1    
 ChiA (ChiA) (fragment)   Aeromonas veronii bv. veronii ATCC 35624 ADZ06067.1    
 A6033_08285   Aeromonas veronii CB51 ANB68605.1    
 A6033_08335   Aeromonas veronii CB51 ANB68608.1    
 A6033_08290   Aeromonas veronii CB51 ANB70722.1    
 A6033_04025   Aeromonas veronii CB51 ANB67897.1    
 AMS64_00725   Aeromonas veronii TH0426 AMQ41023.1    
 AMS64_05920   Aeromonas veronii TH0426 AMQ41954.1    
 AMS64_05930   Aeromonas veronii TH0426 AMQ41956.1    
 CVS41_04815   Aeromonas veronii X11 ATY76510.1    
 CVS41_04825   Aeromonas veronii X11 ATY76512.1    
 CVS41_04875   Aeromonas veronii X11 ATY79199.1    
 CVS42_04180   Aeromonas veronii X12 ATY80107.1    
 CVS42_04170   Aeromonas veronii X12 ATY80105.1    
 CVS42_21950   Aeromonas veronii X12 ATY83253.1    
 CVS42_04230   Aeromonas veronii X12 ATY83348.1    
 ATC03_06135   Agromyces aureus AR33 ANJ26358.1    
 ATC03_06140   Agromyces aureus AR33 ANJ26359.1    
 ATC03_07530   Agromyces aureus AR33 ANJ26587.1    
 PYTT_1929   Akkermansia glycaniphila SEH94249.1    
 PYTT_2332   Akkermansia glycaniphila SEH98803.1    
 PYTT_1458   Akkermansia glycaniphila SEH88650.1    
 Amuc_2164   Akkermansia muciniphila ATCC BAA-835 ACD05971.1 B2UPU3  
 A4V05_06785   Akkermansia muciniphila YL44 ANU61157.1
 AO498_11855   Algoriphagus sp. M8-2 AMQ57134.1    
 AO498_13950   Algoriphagus sp. M8-2 AMQ57548.1    
 Aaci_1760   Alicyclobacillus acidocaldarius subsp. acidocaldarius DSM 446 ACV58772.1 C8WXF0  
 Aaci_2245   Alicyclobacillus acidocaldarius subsp. acidocaldarius DSM 446 ACV59254.1 C8WR85  
 Aaci_0258   Alicyclobacillus acidocaldarius subsp. acidocaldarius DSM 446 ACV57320.1 C8WRB5  
 TC41_1659   Alicyclobacillus acidocaldarius subsp. acidocaldarius Tc-4-1 AEJ43588.1    
 TC41_0338 (YaaH)   Alicyclobacillus acidocaldarius subsp. acidocaldarius Tc-4-1 AEJ42306.1    
 TC41_2373 (fragment)   Alicyclobacillus acidocaldarius subsp. acidocaldarius Tc-4-1 AEJ44273.1    
 TC41_2521 (fragment)   Alicyclobacillus acidocaldarius subsp. acidocaldarius Tc-4-1 AEJ44418.1    
 chitinase A (ChiA) (fragment)   Aliivibrio fischeri ATCC7744 AAF37581.1 Q9LB34  
 chitinase A (ChiA) (fragment)   Aliivibrio logei ATCC 35077 ABY50217.1 B0F604  
 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    

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