Glycoside Hydrolase Family 18

Activities in Familychitinase (EC 3.2.1.14); lysozyme (EC 3.2.1.17); endo-β-N-acetylglucosaminidase (EC 3.2.1.96); 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
ClanGH-K
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 (16888); Uniprot accession (3282); PDB accession (326); 3D entries (86); cryst (3)
All (15333) Archaea (62) Bacteria (11365) Eukaryota (3356) Viruses (313) unclassified (237) Structure (86 - 3 cryst) Characterized (481)
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | ... | 34 |
Eukaryota
Protein Name EC#OrganismGenBank UniprotPDB/3D
 chitinase (Chit1;BbChit1) 3.2.1.14 Beauveria bassiana NCIM1216 ACF32998.1 Q8J1Y3  
 bacterial-type endochitinase (ChiB) (fragment)   Beauveria bassiana VIZR#13 AAX19144.1 Q4KUR4  
 chitinase (Chib1) 3.2.1.14 Benincasa hispida AAD56239.1 Q9SP41  
 chitinase (SE2) 3.2.1.14 Beta vulgaris AAB28479.1
CAA01678.1
P36910  
 acidic endochitinase (Pr3A) (fragment)   Betula pendula CAB66334.1 Q9M3T4  
 chitinase (fragment)   Biston betularia ADO33002.1 E3UKJ3  
 IdgF (fragment)   Biston betularia ADO33018.1 E3UKK9  
 chitinase (Cts1) 3.2.1.14 Blastomyces dermatitidis AAF80371.1 Q9P4Q0  
 chitinase   Blattella germanica AII81930.1    
 chitinase allergen (Blo t)   Blomia tropicalis AAQ24549.1 A1KXI8  
 chitinase (Chi1)   Blumeria graminis AAK84437.1 Q96VN1  
 imaginal disc growth factor (IdgF)   Bombus ignitus ACJ54180.1 D8KY59  
 chitinase   Bombyx mandarina AAG48700.1 Q9GPG9  
 chitinase (Chi;ChiB;ChiB4) 3.2.1.14 Bombyx mori AAB47538.1
AAG37105.1
AAL51080.1
BAB13481.1
BAB20017.1
P90710
Q8WR52
Q9GQC4
Q9GR93
Q9GV05
 
 chitinase-related protein 1 (BmChiR1)   Bombyx mori C145XJ140 BAB40771.1 Q9BLI6  
 chitinase-related protein 1 (BmChiR1)   Bombyx mori C145XJ140 BAB40771.1 Q9BLI6  
 imaginal disk growth factor (Idgf;IDGF)   Bombyx mori N4 BAF73623.1 A7BEX9  
 chitinase (BmChi-h) 3.2.1.14 Bombyx mori P50T BAC67246.1 Q869E2  
 oviductin (fragment)   Bos grunniens AIC80892.1    
 chitinase-like protein 1 (Clp-1;Chi3L1)   Bos taurus AAX46682.1
AAB64304.1
O18949
P30922
 
 di-N-acetylchitobiase (Ctb) (fragment)   Bos taurus AAC62475.1 O97625  
 di-N-acetylchitobiase (N-terminal fragment)   Bos taurus AAA30444.1 Q01458  
 oviduct glycoprotein (Ovgp1)   Bos taurus BAA04065.1
ABM06118.1
Q28042  
 chitinase (Cbp b04)   Bos taurus BAB71805.1
AAI02932.1
NP_777124.1
Q95M17  
 signal processing protein (Chi3L1;Spc-40)   Bos taurus AAP41220.2
AAP41220.1
P30922 1OWQ[A]
2ESC[A]
 chitinase   Bostrychus sinensis AKN52392.1    
 chitinase B (ChiB)   Botrytis cinerea AAM94405.2 Q8NJP5  
 BCIN_08g01900 (fragment)   Botrytis cinerea B05.10 ATZ52483.1    
 BCIN_05g02660 (Bccts2)   Botrytis cinerea B05.10 ATZ49866.1    
 BCIN_08g07050   Botrytis cinerea B05.10 ATZ53100.1    
 BCIN_07g00890   Botrytis cinerea B05.10 ATZ51455.1    
 BCIN_07g00160   Botrytis cinerea B05.10 ATZ51372.1    
 BCIN_08g07050 (fragment)   Botrytis cinerea B05.10 ATZ53101.1    
 BCIN_16g01590   Botrytis cinerea B05.10 ATZ58346.1    
 BCIN_03g03220   Botrytis cinerea B05.10 ATZ48066.1    
 BCIN_01g01760   Botrytis cinerea B05.10 ATZ45383.1    
 BCIN_02g00570   Botrytis cinerea B05.10 ATZ46672.1    
 chitinase A (ChiA) (Bofut4_p072780.1)   Botrytis cinerea T4 AAM94807.1
CCD33599.1
Q8NJP7  
 glycoside hydrolase family 18 protein (Bofut4_p021880.1)   Botrytis cinerea T4 CCD34952.1    
 glycoside hydrolase family 18 protein (Bofut4_p073950.1)   Botrytis cinerea T4 CCD42783.1    
 glycoside hydrolase family 18 protein (Bofut4_p107290.1)   Botrytis cinerea T4 CCD48345.1    
 glycoside hydrolase family 18 protein (Bofut4_p146870.1)   Botrytis cinerea T4 CCD56518.1    
 glycoside hydrolase family 18 protein, partial sequence (Bofut4_p074550.1) (fragment)   Botrytis cinerea T4 CCD42653.1    
 glycoside hydrolase family 18 protein, partial sequence (Bofut4_p074560.1) (fragment)   Botrytis cinerea T4 CCD42654.1    
 glycoside hydrolase family 18 protein (Bofut4_p072900.1)   Botrytis cinerea T4 CCD42678.1    
 glycoside hydrolase family 18 protein (Bofut4_p114960.1) (fragment)   Botrytis cinerea T4 CCD46790.1    
 glycoside hydrolase family 18 protein (Bofut4_p034570.1)   Botrytis cinerea T4 CCD48815.1    
 BofuT4P32000029001 / Bofut4_p042780   Botrytis cinerea T4 CCD46667.2
CCD46667.1
   
 chitinase / chitotriosidase (ChTl;BjChTl) 3.2.1.14 Branchiostoma japonicum AEI59134.1    
 acidic endochitinase ChiA-2 (fragment)   Brassica napus AAF23418.1 Q9SDU7  
 acidic endochitinase ChiA-1 (fragment)   Brassica napus AAF23417.1 Q9SDU8  
 acidic endochitinase ChiA (fragment)   Brassica oleracea AAF23419.1 Q9SDU6  
 acidic endochitinase (ChiA) (fragment)   Brassica rapa AAF23420.1 Q9SDU5  
 chitinase 3.2.1.14 Brugia malayi AAA27854.1 P29030  
 chitinase (fragment)   Brugia pahangi AAC47323.1 Q27456  
 chitinase (fragment) 3.2.1.14 Brugia pahangi AAC47324.1 Q27457  
 signalling glycoprotein / mammary gland protein 40 (SPB-40) (partial)   Bubalus bubalis AAP42568.2 Q7YS85 1SV8[A]
1TFV[A]
2O9O[A]
2QF8[A]
4MAV[A]
4ML4[A]
4MPK[A]
4MTV[A]
4NSB[A]
4Q7N[A]
 signaling protein / mammary gland protein (SPB-40;Mgp-40)   Bubalus bubalis AFN52415.1 Q7YS85 4S06[A]
5WSI[A]
5WSJ[A]
5WSM[A]
5YAR[A]
5Z05[A]
5Z3S[A]
5Z4W[A]
 oviductin (OvN)   Bubalus bubalis ABF20533.1
ABY84056.1
AFN52414.1
A4Z8Y1  
 toad pancreatic chitinase (TPCase) 3.2.1.14 Bufo japonicus CAC87888.1 Q90W34  
 Glycosyl hydrolase family 18, partial (fragment)   Caecomyces sp. Iso3 AWI66957.1    
 Y22D7AL.14   Caenorhabditis elegans Bristol N2 CCD73759.1
AAK84588.1
NP_497437.1
Q965P2  
 C04F6.3/cht-1   Caenorhabditis elegans Bristol N2 CCD63028.1
AAA83586.1
NP_508588.1
Q11174  
 C08H9.10   Caenorhabditis elegans Bristol N2 CAA91147.1
NP_496125.1
Q17834  
 C08H9.11   Caenorhabditis elegans Bristol N2 CAA91148.1
NP_496127.1
Q17835  
 C08H9.12   Caenorhabditis elegans Bristol N2 CAA91149.1
NP_496126.1
Q17836  
 C08H9.13   Caenorhabditis elegans Bristol N2 CAA91152.1
CAA91152.2
NP_496131.1
Q17839  
 C08H9.14   Caenorhabditis elegans Bristol N2 CAA91153.1
NP_496132.1
Q17840  
 C08H9.4 (C08H9.4a;C08H9.4b)   Caenorhabditis elegans Bristol N2 CAK55172.1
CAA91151.1
NP_496129.1
Q14V32  
 C08H9.6   Caenorhabditis elegans Bristol N2 CAA91154.2
CAA91154.1
NP_496133.1
Q17841  
 C08H9.7   Caenorhabditis elegans Bristol N2 CAA91150.1
NP_496128.1
Q17837  
 T19H5.2   Caenorhabditis elegans Bristol N2 CAA87663.1
NP_496034.1
Q22596  
 T19H5.3   Caenorhabditis elegans Bristol N2 CAA87664.1
NP_496035.1
Q22597  
 R09D1.4   Caenorhabditis elegans Bristol N2 CAA93864.2
NP_496023.1
Q21860  
 C45E5.2 / CHIL-11   Caenorhabditis elegans Bristol N2 AAC24288.1
CCD67370.1
CCD67370.2
NP_500856.1
Q18644  
 C45E5.3 (fragment)   Caenorhabditis elegans Bristol N2 AAC24286.1
CCD67371.1
NP_500855.1
Q18643  
 F07G11.9   Caenorhabditis elegans Bristol N2 AAG24054.1
CCD64335.1
CCD64335.2
NP_504862.1
O16237  
 F15A4.8   Caenorhabditis elegans Bristol N2 CAB02942.2
CAB02942.1
CAD59145.1
CAV31769.1
NP_496660.1
O17813  
 F15A4.8   Caenorhabditis elegans Bristol N2 CAB02942.2
CAB02942.1
CAD59145.1
CAV31769.1
NP_496660.1
O17813  
 M01B2.6   Caenorhabditis elegans Bristol N2 CAB05568.2
NP_506770.1
Q9XU76  
 M176.8   Caenorhabditis elegans Bristol N2 CAB01653.1
CBL87057.1
NP_496018.1
Q21553  
 R09D1.1   Caenorhabditis elegans Bristol N2 CAA93861.1
NP_496021.1
Q21857  
 R09D1.10   Caenorhabditis elegans Bristol N2 CAA93870.2
NP_496031.2
Q21866  
 R09D1.11   Caenorhabditis elegans Bristol N2 CAA87667.1
CAA93874.1
NP_496032.1
G5EBF8
Q21870
 
 R09D1.2   Caenorhabditis elegans Bristol N2 CAA93862.1
NP_496020.1
Q21858  
 R09D1.3   Caenorhabditis elegans Bristol N2 CAA93863.1
NP_496019.1
Q21859  
 R09D1.5   Caenorhabditis elegans Bristol N2 NP_496024.1
CAA93865.2
Q21861  
 R09D1.6   Caenorhabditis elegans Bristol N2 CAA93866.2
CAA93866.1
NP_496026.1
Q21862  
 R09D1.7   Caenorhabditis elegans Bristol N2 CAA93867.1
NP_496027.1
Q21863  
 R09D1.8   Caenorhabditis elegans Bristol N2 CAA93868.2
CAA93868.3
NP_496029.1
Q21864  
 R09D1.9   Caenorhabditis elegans Bristol N2 CAA93869.2
NP_496030.1
Q21865  
 T01C4.1   Caenorhabditis elegans Bristol N2 AAB09177.1
CCD83390.1
CCD83398.1
NP_504806.1
Q94298  
 T10D4.3   Caenorhabditis elegans Bristol N2 AAC68716.1
CCD73596.1
NP_494455.1
Q9TZF2  
 T13H5.3   Caenorhabditis elegans Bristol N2 CAA91419.1
CAA91419.2
NP_495798.1
Q22468  
 ZK938.6   Caenorhabditis elegans Bristol N2 CAA90145.2
NP_496122.1
Q23675  
 C25A8.4   Caenorhabditis elegans Bristol N2 AAB03182.3
CCD63429.1
NP_501082.2
Q18143  
 C25A8.4   Caenorhabditis elegans Bristol N2 AAB03182.3
CCD63429.1
NP_501082.2
Q18143  
 C25A8.4   Caenorhabditis elegans Bristol N2 AAB03182.3
CCD63429.1
NP_501082.2
Q18143  
 R09D1.14 (probable fragment)   Caenorhabditis elegans Bristol N2 CAB76726.1
NP_496028.1
Q9NAN7  
 T19H5.6 (fragment)   Caenorhabditis elegans Bristol N2 CBJ25097.1 D3KFR9  
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