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 (14935); Uniprot accession (3282); PDB accession (301); 3D entries (77); cryst (4)
All (13391) Archaea (61) Bacteria (9754) Eukaryota (3083) Viruses (256) unclassified (237) Structure (77 - 4 cryst) Characterized (477)
| 1 | ... | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | ... | 31 |
Eukaryota
Protein Name EC#OrganismGenBank UniprotPDB/3D
 chitinase 15, partial (fragment)   Daphnia pulex AFI40010.1    
 chitinase 15, partial (fragment)   Daphnia pulex AFI40011.1    
 chitinase 15, partial (fragment)   Daphnia pulex AFI40012.1    
 chitinase 15, partial (fragment)   Daphnia pulex AFI40015.1    
 chitinase 15, partial (fragment)   Daphnia pulex AFI40016.1    
 chitinase 15, partial (fragment)   Daphnia pulex AFI40017.1    
 chitinase 16, partial (fragment)   Daphnia pulex AFI40019.1    
 chitinase 16, partial (fragment)   Daphnia pulex AFI40020.1
AFI40023.1
AFI40024.1
   
 chitinase 16, partial (fragment)   Daphnia pulex AFI40021.1    
 chitinase 16, partial (fragment)   Daphnia pulex AFI40022.1
AFI40026.1
AFI40031.1
   
 chitinase 16, partial (fragment)   Daphnia pulex AFI40025.1    
 chitinase 16, partial (fragment)   Daphnia pulex AFI40032.1    
 chitinase 16, partial (fragment)   Daphnia pulex AFI40034.1    
 chitinase 1, partial (fragment)   Daphnia pulex AFI40036.1    
 chitinase 1, partial (fragment)   Daphnia pulex AFI40037.1    
 chitinase 1, partial (fragment)   Daphnia pulex AFI40038.1
AFI40039.1
   
 chitinase 1, partial (fragment)   Daphnia pulex AFI40040.1    
 chitinase 1, partial (fragment)   Daphnia pulex AFI40041.1    
 chitinase 1, partial (fragment)   Daphnia pulex AFI40042.1    
 chitinase 1, partial (fragment)   Daphnia pulex AFI40043.1    
 chitinase 9, partial (fragment)   Daphnia pulex AFI40044.1    
 chitinase 9, partial (fragment)   Daphnia pulex AFI40045.1    
 chitinase 9, partial (fragment)   Daphnia pulex AFI40046.1    
 chitinase 9, partial (fragment)   Daphnia pulex AFI40047.1    
 chitinase 9, partial (fragment)   Daphnia pulex AFI40048.1    
 chitinase 9, partial (fragment)   Daphnia pulex AFI40050.1    
 chitinase 17, partial (fragment)   Daphnia pulex AFI40051.1    
 chitinase 17, partial (fragment)   Daphnia pulex AFI40052.1    
 chitinase 17, partial (fragment)   Daphnia pulex AFI40055.1    
 chitinase 17, partial (fragment)   Daphnia pulex AFI40056.1    
 chitinase 17, partial (fragment)   Daphnia pulex AFI40057.1    
 chitinase 17, partial (fragment)   Daphnia pulex AFI40058.1    
 chitinase 17, partial (fragment)   Daphnia pulex AFI40059.1    
 chitinase 17, partial (fragment)   Daphnia pulex AFI40061.1    
 chitinase 17, partial (fragment)   Daphnia pulex AFI40063.1    
 chitinase 17, partial (fragment)   Daphnia pulex AFI40064.1    
 ORF   Debaryomyces hansenii 5c APZ80121.1    
 ORF (fragment)   Debaryomyces hansenii 7g APZ80115.1    
 Orf2   Debaryomyces hansenii CBS 770 AET14259.1    
 DEHA0D01540g   Debaryomyces hansenii CBS767 CAG86633.1 Q6BTF9  
 DEHA0B11594g (fragment)   Debaryomyces hansenii CBS767 CAG85451.1 Q6BWH2  
 DEHA0G06655g   Debaryomyces hansenii CBS767 CAG90268.1 Q6BJ14  
 DEHA0G09636g   Debaryomyces hansenii CBS767 CAG90400.1 Q6BIN9  
 DEHA0F18073g   Debaryomyces hansenii CBS767 CAG89465.1 Q6BL38  
 chitin binding protein   Debaryomyces robertsiae CBS6693 CAE84954.1 Q707V9  
 unknown   Dendroctonus ponderosae AEE62025.1    
 unknown   Dendroctonus ponderosae AEE63602.1    
 unknown (fragment)   Dendroctonus ponderosae AEE61812.1    
 60 kDa chitinase allergen (Der f 18;Derf18)   Dermatophagoides farinae CAD35270.1
AAM19082.1
CAD35269.1
CAD35271.1
Q86R84  
 98kDa chitinase allergen (Der f 15;Derf15)   Dermatophagoides farinae AAD52672.1
AAN92420.1
AAN92421.1
AAN92422.1
ABU97469.1
ACW64891.1
ACW64893.1
AIO08863.1
CAD35263.1
CAD35264.1
CAD35265.1
Q9U6R7  
 group 18 allergen protein (Der p 18)   Dermatophagoides pteronyssinus AAY84563.1 Q4JK71  
 group 15 allergen protein (Der p 15)   Dermatophagoides pteronyssinus AAY84564.2
AAY84564.1
AAY84565.1
Q4JK69
Q4JK70
 
 IDGF   Diaprepes abbreviatus AAV68692.1 Q5PXZ1  
 dd_01196   Dictyostelium discoideum AX4 AAL92619.1 Q8T293  
 dd_02688   Dictyostelium discoideum AX4 AAL92392.1
AAM43756.2
AAS38675.1
   
 ORF   Dictyostelium discoideum AX4 AAO51652.1 Q86JD3  
 chitinase-like protein1 (Clp1)   Dicyema japonicum BAF81106.1
BAF81107.1
A8CF43  
 ORF (fragment)   Didymium dachnayum ABD72547.1 Q207W8  
 class III chitinase (fragment)   Dimocarpus longan ABY65356.1 B0FYI9  
 chitinase 3.2.1.14 Dioscorea oppositifolia BAC77768.1 Q7XZD6  
 chitinase A2, partial (Chia2) (fragment)   Diospyros kaki ASL69222.1    
 chitinase A3, partial (Chia3)   Diospyros kaki ASL69223.1    
 chitinase A1, partial (Chia1) (fragment)   Diospyros kaki ASL69221.1    
 chitinase (DkchI)   Dipturus kwangtungensis BAW98093.1    
 moj9 (fragment)   Drosophila arizonae 15081-1271.00 AAZ42639.1 Q2VKL5  
 moj9 (fragment)   Drosophila arizonae 15081-1271.04 AAZ42640.1 Q2VKL5  
 moj9 (fragment)   Drosophila arizonae 15081-1271.05 AAZ42641.1 Q2VKL4  
 moj9 (fragment)   Drosophila arizonae 15081-1271.08 AAZ42642.1 Q2VKL5  
 moj9 (fragment)   Drosophila arizonae 15081-1271.12 AAZ42643.1 Q2VKL2  
 moj9 (fragment)   Drosophila arizonae 15081-1271.13 AAZ42644.1 Q2VKL1  
 moj9 (fragment)   Drosophila arizonae 15081-1271.14 AAZ42645.1 Q2VKL5  
 Dbus_chr2Lg2098   Drosophila busckii ALC40013.1    
 Dbus_chr2Rg1661   Drosophila busckii ALC42082.1    
 Dbus_chr3Lg277   Drosophila busckii ALC43111.1    
 Dbus_chr3Lg277   Drosophila busckii ALC43111.1    
 Dbus_chr3Lg1478   Drosophila busckii ALC44312.1    
 Dbus_chr2Lg2097   Drosophila busckii ALC40012.1    
 Dbus_chr2Rg1979   Drosophila busckii ALC42400.1    
 Dbus_chr2Rg82   Drosophila busckii ALC40503.1    
 Dbus_chr3Lg1972   Drosophila busckii ALC44806.1    
 Dbus_chr2Rg81   Drosophila busckii ALC40502.1    
 Dbus_chr2Lg1012   Drosophila busckii ALC38927.1    
 Dbus_chr2Lg1012   Drosophila busckii ALC38927.1    
 Dbus_chr2Lg1012   Drosophila busckii ALC38927.1    
 Dbus_chr2Lg1012   Drosophila busckii ALC38927.1    
 Dbus_chr3Rg1552   Drosophila busckii ALC46802.1    
 Dbus_chrXg1095   Drosophila busckii ALC49239.1    
 Dbus_chrXg627 (fragment)   Drosophila busckii ALC48771.1    
 Dbus_chrXg180   Drosophila busckii ALC48324.1    
 CG3986 (Cht4;RE62779p)   Drosophila melanogaster AAL49181.1
AAB81861.1
AAF46664.2
NP_524962.2
O17423
Q9W2M6
 
 CG30293   Drosophila melanogaster AAL90100.1
AAM68191.1
NP_726022.1
Q8MLW8
Q8T443
 
 CG5210 (Cht13;Chit;GH20192p)   Drosophila melanogaster AAC48306.1
AAF57965.1
AAL13739.1
ABM92793.1
AHN56295.1
CBA35210.1
CBA35211.1
CBA35218.1
NP_477081.1
E1UIC7
Q23997
Q23997
 
 chitinase (Cht2;CG2054) 3.2.1.14 Drosophila melanogaster AAF47562.1
AAB81859.1
AAL13818.1
ACY46080.1
AFH04221.1
AGB93977.1
NP_477298.2
D0IQG7
Q9W092
 
 imaginal disk growth factor 1 (Igdf1;CG4472;BG:DS02780.5)   Drosophila melanogaster AAC99417.1
AAF45016.1
AAF53535.1
AAL39302.1
AAM69623.1
AAM69624.1
AAM69625.1
AAM69626.1
AAM69627.1
AAM69628.1
AAM69629.1
AAM69630.1
AAM69631.1
AAM69632.1
AAM69633.1
AAM69634.1
AAM69635.1
AAM69636.1
AAM69637.1
AAM69638.1
AAM69639.1
AAM69640.1
AAM69641.1
AAM69642.1
NP_477258.1
Q8MM24
Q8MM24
 
 imaginal disk growth factor 2 (Idgf2;CG4475)   Drosophila melanogaster AAC99418.1
AAF45017.1
AAF53536.1
AAL28234.1
ADD74348.1
ADF50363.1
AFH03716.1
AFH03717.1
NP_477257.2
Q9V3D4
Q9V3D4
1JND[A]
1JNE[A]
 imaginal disk growth factor 3 (Idgf3;CG4559)   Drosophila melanogaster AAC99419.1
AAF45018.1
AAF53537.1
AAK77293.1
AAM69645.1
AAM69646.1
AAM69647.1
AAM69648.1
AAM69649.1
AAM69650.1
AAM69651.1
AAM69652.1
AAM69653.1
AAM69654.1
AAM69655.1
AAM69656.1
AAM69657.1
AAM69658.1
AAM69659.1
AAM69660.1
AAM69661.1
AAM69662.1
AAM69663.1
AAM69664.1
AAN10940.1
AAN10941.1
AHN54496.1
NP_477256.1
NP_723966.1
NP_723967.1
Q8MLZ7
Q8MLZ7
 
 imaginal disk growth factor 4 (Idgf4;CG1780)   Drosophila melanogaster AAC99420.1
AAF46534.1
AAL48565.1
AAN09618.1
AAO24992.1
AHN59538.1
NP_511101.2
NP_727374.1
Q9W303
Q9W303
 
 IP17447p (fragment)   Drosophila melanogaster ABL75759.1 A1A729  
 tandem of 4 chitinases   Drosophila melanogaster AAX33520.1
AGB93232.1
AGB93233.1
EAA46011.1
Q9W5U2  
 tandem of 4 chitinases   Drosophila melanogaster AAX33520.1
AAB81860.1
AAF45396.1
AGB93232.1
AGB93233.1
EAA46011.1
Q9W5U2  
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