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 (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 | ... | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | ... | 33 |
Eukaryota
Protein Name EC#OrganismGenBank UniprotPDB/3D
 ORF   Chrysomya megacephala ARA90537.1    
 ORF   Chrysomya megacephala ARA90554.1    
 ORF (fragment)   Chrysomya megacephala ARA90541.1    
 ORF   Chrysomya megacephala ARA90534.1    
 ORF (fragment)   Chrysomya megacephala ARA90547.1    
 ORF   Chrysomya megacephala ARA90551.1    
 ORF   Chrysomya megacephala ARA90536.1    
 ORF (fragment)   Chrysomya megacephala ARA90540.1    
 ORF (fragment)   Chrysomya megacephala ARA90548.1    
 ORF   Chrysomya megacephala ARA90555.1    
 ORF (fragment)   Chrysomya megacephala ARA90530.1    
 ORF (fragment)   Chrysomya megacephala ARA90544.1    
 chitinase class III (CpCC-III) 3.2.1.14 Cicer arietinum CAA49998.1 P36908  
 chitinase   Cicer arietinum AII99856.1    
 chitinase   Cicer arietinum AII99857.1    
 chitinase   Cicer arietinum AII99858.1    
 chitinase (fragment)   Cicer arietinum AII99854.1    
 chitinase (fragment)   Cicer arietinum AII99855.1    
 chitinase (Ci-GH18)   Ciona intestinalis BAF74591.1 A7BK23  
 acidic class III chitinase   Citrullus colocynthis AFK31317.1    
 ORF   Citrullus lanatus ABA26457.1 Q09Y38  
 Ech37 (CrEch37)   Clonostachys rosea ABD48217.1 A2SW11  
 Ech58 (CrEch58)   Clonostachys rosea ABD48218.1 A2SW12  
 Ech42 (CrEch42) (fragment)   Clonostachys rosea ABG02418.1 A2T243  
 endochitinase (Chi67)   Clonostachys rosea 67-1 ANA50873.1    
 chitinase (CrChi1) 3.2.1.14 Clonostachys rosea CGMCC 0806 ABV57861.1 A9LI60 3G6L[A]
3G6M[A]
 CHIB2 (fragment)   Clonostachys rosea IK276 AIZ66850.1    
 chitinase 3, partial (fragment)   Cnaphalocrocis medinalis AJG44543.1    
 chitinase 3, partial (fragment)   Cnaphalocrocis medinalis AJG44543.1    
 chitinase 3, partial (fragment)   Cnaphalocrocis medinalis AJG44543.1    
 chitinase 5   Cnaphalocrocis medinalis AJG44545.1    
 chitinase 2   Cnaphalocrocis medinalis AJG44542.1    
 chitinase   Cnaphalocrocis medinalis AII78788.1    
 Cts2 (fragment)   Coccidioides immitis CAC29128.1
CAC29131.1
CAC29132.1
CAC29133.1
Q1E3R8  
 Cts1 (fragment)   Coccidioides immitis IFM 45815 BAE20296.1 Q1E3R8  
 Cts1 (fragment)   Coccidioides immitis IFM 45816 BAE20297.1 Q1E3R8  
 Cts1 (fragment)   Coccidioides immitis IFM 46868 BAE20299.1 Q1E3R8  
 Cts1 (fragment)   Coccidioides immitis IFM 50992 BAE20300.1 Q1E3R8  
 Cts1 (fragment)   Coccidioides immitis IFM 50995 BAE20303.1 Q1E3R8  
 chitinase 1 (Cts1) 3.2.1.14 Coccidioides posadasii AAA92643.1
AAA96515.1
AAB06687.1
CAC29129.1
CAC29130.1
P54196
P54196
 
 chitinase 2 (Cts2) 3.2.1.14 Coccidioides posadasii AAA92642.1
ACC06929.1
P54197  
 chitinase 8 (Cts8)   Coccidioides posadasii ACT90641.1 C7B798  
 chitinase 3 (Cts3)   Coccidioides posadasii AAO88269.1 Q874H8  
 chitinase 4 (Cts4)   Coccidioides posadasii AAP46398.1 Q7ZA41  
 chitinase 6 (Cts6) (fragment)   Coccidioides posadasii AAP80452.1 Q7Z962  
 chitinase 5 (Cts5)   Coccidioides posadasii AAR18253.1 Q5VHW7  
 chitinase 7 (Cts7)   Coccidioides posadasii AAR18252.1 Q5VHW8  
 Cts1 (fragment)   Coccidioides posadasii IFM 45809 BAE20291.1 P0CB51
P54196
 
 Cts1 (fragment)   Coccidioides posadasii IFM 45810 BAE20292.1 P0CB51
P54196
 
 Cts1 (fragment)   Coccidioides posadasii IFM 45811 BAE20293.1 P0CB51
P54196
 
 Cts1 (fragment)   Coccidioides posadasii IFM 45812 BAE20294.1 P0CB51
P54196
 
 Cts1 (fragment)   Coccidioides posadasii IFM 45813 BAE20295.1 P0CB51
P54196
 
 Cts1 (fragment)   Coccidioides posadasii IFM 45817 BAE20298.1 P0CB51
P54196
 
 Cts1 (fragment)   Coccidioides posadasii IFM 4935 BAE20289.1 P0CB51
P54196
 
 Cts1 (fragment)   Coccidioides posadasii IFM 4945 BAE20290.1 P0CB51
P54196
 
 Cts1 (fragment)   Coccidioides posadasii IFM 50993 BAE20301.1 P0CB51
P54196
 
 Cts1 (fragment)   Coccidioides posadasii IFM 50994 BAE20302.1 P0CB51
P54196
 
 Cts1 (fragment)   Coccidioides posadasii IFM 51112 BAE20304.1 P0CB51
P54196
 
 Cts1 (fragment)   Coccidioides posadasii IFM 54194 BAE20305.1 P0CB51
P54196
 
 Cts1 (fragment)   Coccidioides posadasii IFM 54195 BAE20306.1 P0CB51
P54196
 
 Cts1 (fragment)   Coccidioides posadasii IFM 54196 BAE20307.1 P0CB51
P54196
 
 complement fixation-chitinase 3.2.1.14 Coccidioides posadasii SILVEIRA AAB48567.1
AAB48566.1
P0CB51
P54196
1D2K[A]
1LL4[A]
1LL6[A]
1LL7[A]
 AR-52 (fragment)   Coffea arabica AAD26856.1 Q9XF03  
 class III chitinase / allergen (Cof a 1) (fragment)   Coffea arabica ADH10372.1 D7REL9  
 Clxip (fragment)   Coffea arabica ADZ48381.1    
 class III chitinase (Chi2)   Coffea arabica CAJ43737.1 A0PD76  
 acidic mammalian chitinase (HchiA)   Colobus guereza AUE24251.1    
 chitinase (CH1) 3.2.1.14 Coniothyrium minitans CM-2 AAG00504.1 Q9HGU5  
 chitinase 1   Conogethes punctiferalis CQ ASM94206.1    
 chitinase 7   Conogethes punctiferalis CQ ASM94207.1    
 chitinase 7   Conogethes punctiferalis CQ ASM94207.1    
 chitinase 1 (Chi1) 3.2.1.14 Coprinellus congregatus A1 = CC16 CAQ51152.1 B2G3S2  
 chitinase 2 (Chi2) 3.2.1.14 Coprinellus congregatus H99 AFD19009.1    
 chitinase (ChiIII;CC1G_04407) 3.2.1.14 Coprinopsis cinerea okayama7#130 EAU93428.2    
 ORF (fragment)   Coptotermes formosanus AGM32304.1    
 ORF (fragment)   Coptotermes formosanus AGM32594.1    
 chitinase 2   Coptotermes formosanus AHB39935.1    
 chitinase   Cordyceps confragosa 43H AFW90080.1    
 chitinase (VlCHI) 3.2.1.14 Cordyceps confragosa CA-12 AGU42402.1
AGU42403.1
   
 endochitinase (Chit2)   Cordyceps confragosa V3450 AFR13053.1    
 endochitinase (Chit3)   Cordyceps confragosa Vl6063 AFR13054.1    
 endochitinase (Chit1)   Cordyceps confragosa Vp28 AFR13052.1    
 A9K55_005410   Cordyceps militaris ATCC 34164 ATY61215.1    
 A9K55_007781   Cordyceps militaris ATCC 34164 ATY61890.1    
 A9K55_009341   Cordyceps militaris ATCC 34164 ATY63066.1    
 A9K55_009342   Cordyceps militaris ATCC 34164 ATY61713.1    
 A9K55_003996   Cordyceps militaris ATCC 34164 ATY65223.1    
 A9K55_005188   Cordyceps militaris ATCC 34164 ATY64693.1    
 A9K55_001136   Cordyceps militaris ATCC 34164 ATY66444.1    
 A9K55_006802   Cordyceps militaris ATCC 34164 ATY61069.1    
 A9K55_000162   Cordyceps militaris ATCC 34164 ATY67226.1    
 A9K55_008828   Cordyceps militaris ATCC 34164 ATY61678.1    
 A9K55_005248   Cordyceps militaris ATCC 34164 ATY64774.1    
 A9K55_003123   Cordyceps militaris ATCC 34164 ATY58848.1    
 A9K55_003437   Cordyceps militaris ATCC 34164 ATY59093.1    
 A9K55_007006   Cordyceps militaris ATCC 34164 ATY63573.1    
 A9K55_009292   Cordyceps militaris ATCC 34164 ATY61851.1    
 A9K55_001791   Cordyceps militaris ATCC 34164 ATY65637.1    
 A9K55_009347   Cordyceps militaris ATCC 34164 ATY61718.1    
 A9K55_003070   Cordyceps militaris ATCC 34164 ATY58486.1    
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