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 (18712); Uniprot accession (3282); PDB accession (335); 3D entries (89); cryst (3)
All (17151) Archaea (62) Bacteria (13078) Eukaryota (3442) Viruses (332) unclassified (237) Structure (89 - 3 cryst) Characterized (482)
| 1 | ... | 110 | 111 | 112 | 113 | 114 | 115 | 116 | 117 | 118 | ... | 131 |
Bacteria
Protein Name EC#OrganismGenBank UniprotPDB/3D
 chitinase (fragment)   uncultured bacterium AAV39435.1
AAV39434.1
Q5UMD6  
 chitinase (fragment)   uncultured bacterium AAV39433.1 Q5UMD8  
 chitinase (fragment)   uncultured bacterium AAV39431.1 Q5UME0  
 chitinase (fragment)   uncultured bacterium AAV39474.1 Q5UM97  
 chitinase (fragment)   uncultured bacterium AAV39416.1
AAV39495.1
Q5UM76  
 chitinase (fragment)   uncultured bacterium AAV39475.1 Q5UM96  
 chitinase (fragment)   uncultured bacterium AAV39496.1 Q5UM75  
 chitinase (fragment)   uncultured bacterium AAV39417.1 Q5UMF4  
 chitinase (fragment)   uncultured bacterium AAV39398.1 Q5UMH3  
 chitinase (fragment)   uncultured bacterium AAV39483.1 Q5UM88  
 chitinase (fragment)   uncultured bacterium AAV39420.1 Q5UMF1  
 chitinase (fragment)   uncultured bacterium AAV39457.1 Q5UMB4  
 chitinase (fragment)   uncultured bacterium AAV39450.1 Q5UMC1  
 chitinase (fragment)   uncultured bacterium AAV39473.1 Q5UM98  
 chitinase (fragment)   uncultured bacterium AAV39402.1 Q5UMG9  
 chitinase (fragment)   uncultured bacterium AAV39430.1 Q5UME1  
 chitinase (fragment)   uncultured bacterium AAV39397.1 Q5UMH4  
 chitinase (fragment)   uncultured bacterium AAV39464.1 Q5UMA7  
 chitinase (fragment)   uncultured bacterium AAV39482.1 Q5UM89  
 chitinase, partial (fragment)   uncultured bacterium AFI56423.1    
 chitinase, partial (fragment)   uncultured bacterium AFI56425.1    
 chitinase, partial (fragment)   uncultured bacterium AFI56428.1    
 chitinase, partial (fragment)   uncultured bacterium AFI56429.1    
 chitinase, partial (fragment)   uncultured bacterium AFI56430.1    
 chitinase, partial (fragment)   uncultured bacterium AFI56432.1    
 chitinase, partial (fragment)   uncultured bacterium AFI56433.1
AFI56464.1
   
 chitinase, partial (fragment)   uncultured bacterium AFI56434.1    
 chitinase, partial (fragment)   uncultured bacterium AFI56436.1    
 chitinase, partial (fragment)   uncultured bacterium AFI56439.1    
 chitinase, partial (fragment)   uncultured bacterium AFI56440.1    
 chitinase, partial (fragment)   uncultured bacterium AFI56441.1
AFI56456.1
   
 chitinase, partial (fragment)   uncultured bacterium AFI56442.1    
 chitinase, partial (fragment)   uncultured bacterium AFI56443.1    
 chitinase, partial (fragment)   uncultured bacterium AFI56444.1    
 chitinase, partial (fragment)   uncultured bacterium AFI56445.1    
 chitinase, partial (fragment)   uncultured bacterium AFI56447.1    
 chitinase, partial (fragment)   uncultured bacterium AFI56448.1    
 chitinase, partial (fragment)   uncultured bacterium AFI56449.1    
 chitinase, partial (fragment)   uncultured bacterium AFI56450.1    
 chitinase, partial (fragment)   uncultured bacterium AFI56453.1    
 chitinase, partial (fragment)   uncultured bacterium AFI56454.1    
 chitinase, partial (fragment)   uncultured bacterium AFI56458.1    
 chitinase, partial (fragment)   uncultured bacterium AFI56459.1    
 chitinase, partial (fragment)   uncultured bacterium AFI56462.1    
 chitinase, partial (fragment)   uncultured bacterium AFI56465.1    
 chitinase, partial (fragment)   uncultured bacterium AFI56467.1    
 chitinase, partial (fragment)   uncultured bacterium AFI56468.1    
 chitinase, partial (fragment)   uncultured bacterium AFI56469.1    
 chitinase, partial (fragment)   uncultured bacterium AFI56470.1    
 chitinase, partial (fragment)   uncultured bacterium AFI56471.1    
 chitinase, partial (fragment)   uncultured bacterium AFI56472.1    
 chitinase, partial (fragment)   uncultured bacterium AFI56424.1    
 chitinase, partial (fragment)   uncultured bacterium AFI56426.1    
 chitinase, partial (fragment)   uncultured bacterium AFI56427.1    
 chitinase, partial (fragment)   uncultured bacterium AFI56431.1    
 chitinase, partial (fragment)   uncultured bacterium AFI56435.1
AFI56460.1
   
 chitinase, partial (fragment)   uncultured bacterium AFI56437.1    
 chitinase, partial (fragment)   uncultured bacterium AFI56438.1    
 chitinase, partial (fragment)   uncultured bacterium AFI56446.1    
 chitinase, partial (fragment)   uncultured bacterium AFI56451.1    
 chitinase, partial (fragment)   uncultured bacterium AFI56452.1    
 chitinase, partial (fragment)   uncultured bacterium AFI56455.1    
 chitinase, partial (fragment)   uncultured bacterium AFI56457.1    
 chitinase, partial (fragment)   uncultured bacterium AFI56461.1    
 chitinase, partial (fragment)   uncultured bacterium AFI56463.1    
 chitinase, partial (fragment)   uncultured bacterium AFI56466.1    
 chitinase (fragment)   uncultured bacterium BAE78563.1 Q2MH48  
 chitinase (fragment)   uncultured bacterium BAE78544.1
BAE78541.1
Q2MH67  
 chitinase (fragment)   uncultured bacterium BAE78545.1
BAE78546.1
BAE78547.1
Q2MH65  
 chitinase (fragment)   uncultured bacterium BAE78548.1 Q2MH63  
 chitinase (fragment)   uncultured bacterium BAE78550.1 Q2MH61  
 chitinase (fragment)   uncultured bacterium BAE78551.1
BAE78549.1
BAE78553.1
Q2MH60  
 chitinase (fragment)   uncultured bacterium BAE78552.1 Q2MH59  
 Chi07 (fragment)   uncultured bacterium BAE78554.1
BAF02563.1
Q2MH57  
 chitinase (fragment)   uncultured bacterium BAE78555.1 Q2MH56  
 chitinase (fragment)   uncultured bacterium BAE78556.1 Q2MH55  
 chitinase (fragment)   uncultured bacterium BAE78557.1 Q2MH54  
 chitinase (fragment)   uncultured bacterium BAE78558.1
BAE78559.1
Q2MH53  
 chitinase (fragment)   uncultured bacterium BAE78560.1 Q2MH51  
 chitinase (fragment)   uncultured bacterium BAE78561.1 Q2MH50  
 chitinase (fragment)   uncultured bacterium BAE78562.1 Q2MH49  
 chitinase (fragment)   uncultured bacterium BAE78564.1
BAE78567.1
Q2MH44  
 chitinase (fragment)   uncultured bacterium BAE78565.1 Q2MH46  
 chitinase (fragment)   uncultured bacterium BAE78566.1 Q2MH45  
 chitinase (fragment)   uncultured bacterium BAE78568.1 Q2MH43  
 chitinase (fragment)   uncultured bacterium BAE78569.1 Q2MH42  
 chitinase (fragment)   uncultured bacterium BAE78570.1 Q2MH41  
 chitinase (fragment)   uncultured bacterium BAE78571.1
BAF97579.1
Q2MH40  
 chitinase (fragment)   uncultured bacterium BAE78572.1 Q2MH39  
 chitinase (fragment)   uncultured bacterium BAE94853.1 Q1ERP5  
 chitinase (fragment)   uncultured bacterium BAE94854.1 Q1ERP4  
 chitinase (fragment)   uncultured bacterium BAE94855.1 Q1ERP3  
 chitinase (fragment)   uncultured bacterium BAE94856.1 Q1ERP2  
 chitinase (fragment)   uncultured bacterium BAE94857.1 Q1ERP1  
 chitinase (fragment)   uncultured bacterium BAE94858.1 Q1ERP0  
 chitinase (fragment)   uncultured bacterium BAE94859.1 Q1ERN9  
 chitinase (fragment)   uncultured bacterium BAE94860.1 Q1ERN8  
 chitinase (fragment)   uncultured bacterium BAE94861.1 Q1ERN7  
 chitinase (fragment)   uncultured bacterium BAE94862.1 Q1ERN6  
 chitinase (fragment)   uncultured bacterium BAE94863.1
BAF49257.1
Q1ERN5  
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