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 (14617); Uniprot accession (3282); PDB accession (301); 3D entries (77); cryst (4)
All (13074) Archaea (61) Bacteria (9464) Eukaryota (3057) Viruses (255) unclassified (237) Structure (77 - 4 cryst) Characterized (477)
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | ... | 31 |
Eukaryota
Protein Name EC#OrganismGenBank UniprotPDB/3D
 chitinase (fragment)   Aphanomyces invadans WIC ACV93247.1 C9DHW4  
 Chi1 (fragment)   Aphanomyces laevis CBS 107.52 AAX59705.1 Q2TIM0  
 Chi1 (fragment)   Aphanomyces repetans LK29 ACB12070.1 B1Q0X7  
 ACCB06969   Apis cerana AEY60044.1    
 ACCB10149   Apis cerana AEY60805.1    
 endochitinase 2 (Cht5)   Apis mellifera DH4 XP_623995.1    
 chitinase (AkchI)   Aplysia kurodai BAS44269.1    
 gut-specific chitinase   Apriona germari ABH07674.1
ABH07675.1
Q0PGK4  
 chitinase 3.2.1.14 Arabidopsis halleri subsp. gemmifera BAA21875.1 O22074  
 acidic endochitinase (ChiA)   Arabidopsis halleri subsp. gemmifera ASHIBI56 BAC11889.1 Q8LP02  
 acidic chitinase (ChiA)   Arabidopsis halleri subsp. gemmifera FUKASAWA BAC11884.1 Q8L4Q9  
 acidic endochitinase (ChiA)   Arabidopsis halleri subsp. gemmifera MAZAWA BAC11885.1 Q8LP04  
 acidic endochitinase (ChiA)   Arabidopsis halleri subsp. gemmifera MINOU3 BAC11890.1 Q8L4Q8  
 acidic endochitinase (ChiA)   Arabidopsis halleri subsp. gemmifera MINOU4 BAC11891.1 Q8LP01  
 acidic endochitinase (ChiA)   Arabidopsis halleri subsp. gemmifera MINOU6 BAC11892.1 Q8L4Q9  
 acidic chitinase (ChiA)   Arabidopsis halleri subsp. gemmifera MINOU7 BAC11893.1 Q8L4Q8  
 acidic endochitinase (ChiA)   Arabidopsis halleri subsp. gemmifera MORIOKA BAC11886.1 Q8L4Q9  
 acidic endochitinase (ChiA)   Arabidopsis halleri subsp. gemmifera OKUNIKKAWA BAC11894.1 Q8L4Q9  
 acidic endochitinase (ChiA)   Arabidopsis halleri subsp. gemmifera RYUJIN3 BAC11887.1 Q8L4Q9  
 acidic endochitinase (ChiA)   Arabidopsis halleri subsp. gemmifera SHIZUHARA BAC11895.1 Q8L4Q9  
 acidic endochitinase (ChiA)   Arabidopsis halleri subsp. gemmifera TSUGAWA BAC11888.1 Q8LP03  
 acidic endochitinase (ChiA)   Arabidopsis halleri subsp. gemmifera UGA BAC11896.1 Q8L4Q9  
 acidic endochitinase (ChiA)   Arabidopsis halleri subsp. gemmifera YATATE BAC11897.1 Q8L4Q9  
 chitinase 3.2.1.14 Arabidopsis kamchatica subsp. kawasakiana BAA21877.1 O22076  
 acidic endochitinase (ChiA)   Arabidopsis lyrata subsp. petraea STROSANDEN1 BAC11879.1 Q8LP09  
 chitinase A (ChiB1;At5g24090) (acidic) 3.2.1.14 Arabidopsis thaliana AAA32768.1
AAW49295.1
AAX49380.1
AED93255.1
BAB08732.1
NP_197797.1
P19172  
 At4g19740   Arabidopsis thaliana NP_193709.2
ABE66078.1
AEE84223.1
CAA19691.1
CAB78976.1
NP_193709.1
O81855
Q1PE65
 
 At4g19750   Arabidopsis thaliana CAA19692.1
AEE84224.1
CAB78977.1
NP_193710.2
O81856  
 At4g19760   Arabidopsis thaliana NP_193711.2
AEE84225.1
CAA19693.1
CAB78978.1
NP_193711.1
O81857  
 At4g19770 (fragment)   Arabidopsis thaliana NP_193712.2
AEE84226.1
CAA19694.1
CAB78979.1
NP_193712.1
F4JTY9
O81858
 
 chitinase (ChiC;AtChiC;At4g19810) 3.2.1.14 Arabidopsis thaliana CAA19698.1
ABL66795.1
AEE84228.1
ANM66365.1
BAE99745.1
CAB78983.1
NP_193716.1
O81862 3AQU[A,B,C,D]
 At4g19820   Arabidopsis thaliana CAA19699.1
AEE84229.1
AEE84229.2
CAB78984.1
NP_193717.1
O81863  
 At4g19720   Arabidopsis thaliana AEE84221.1
AEE84221.2
CAA19689.1
CAB78974.1
NP_193707.2
O81853  
 At4g19730   Arabidopsis thaliana CAA19690.1
AAY78800.1
AEE84222.1
CAB78975.1
NP_193708.1
O81854  
 At4g19800   Arabidopsis thaliana CAB78982.1
AEE84227.1
CAA19697.1
NP_193715.1
O81861  
 resistance protein, partial (fragment)   Arachis hypogaea ATB53014.1    
 chitinase-like protein (RR38) (fragment)   Arachis hypogaea ACF74270.1 B4UW50  
 chitinase (AvChit1) 3.2.1.14 Araneus ventricosus AAN39100.1 Q8ISH5  
 chitinase (0NM97.05) (fragment)   Artemia franciscana ACB05773.1 B1P1V5  
 EGX53225.1   Arthrobotrys oligospora ATCC 24927 EGX53225.1    
 EGX51211.1   Arthrobotrys oligospora ATCC 24927 EGX51211.1    
 EGX50554.1   Arthrobotrys oligospora ATCC 24927 EGX50554.1    
 EGX48217.1   Arthrobotrys oligospora ATCC 24927 EGX48217.1    
 EGX45698.1   Arthrobotrys oligospora ATCC 24927 EGX45698.1    
 EGX44068.1   Arthrobotrys oligospora ATCC 24927 EGX44068.1    
 EGX43015.1 (probable fragment)   Arthrobotrys oligospora ATCC 24927 EGX43015.1    
 EGX54346.1   Arthrobotrys oligospora ATCC 24927 EGX54346.1    
 EGX54210.1 (fragment)   Arthrobotrys oligospora ATCC 24927 EGX54210.1    
 EGX53747.1   Arthrobotrys oligospora ATCC 24927 EGX53747.1    
 EGX53231.1   Arthrobotrys oligospora ATCC 24927 EGX53231.1    
 EGX53198.1   Arthrobotrys oligospora ATCC 24927 EGX53198.1    
 EGX49997.1 (fragment)   Arthrobotrys oligospora ATCC 24927 EGX49997.1    
 EGX49105.1   Arthrobotrys oligospora ATCC 24927 EGX49105.1    
 EGX48302.1   Arthrobotrys oligospora ATCC 24927 EGX48302.1    
 EGX47210.1 (fragment)   Arthrobotrys oligospora ATCC 24927 EGX47210.1    
 EGX44062.1   Arthrobotrys oligospora ATCC 24927 EGX44062.1    
 chitinase   Arthrobotrys oligospora XJ-A1 AIU39612.1    
 chitinase (fragment)   Arthrobotrys oligospora XJ-A1 AIU39613.1    
 ORF   Ascaris suum ADY43916.1    
 ORF (fragment)   Ascaris suum ADY41923.1    
 ORF (fragment)   Ascaris suum ADY41923.1    
 ORF (fragment)   Ascaris suum ADY43960.1    
 ORF (fragment)   Ascaris suum ADY46022.1    
 ORF (fragment)   Ascaris suum ADY49246.1    
 chitinase (ChiC;AFUA_5G03850) (fragment)   Aspergillus fumigatus Af293 EAL85921.2   2Y8V[A,B,C,D]
 chitinase 5 (Chi5;Afu3g07110) 3.2.1.14 Aspergillus fumigatus Af293 EAL92857.2    
 chitinase A1 / 1 (Chi1;ChiA1;Afu5g03760) 3.2.1.14 Aspergillus fumigatus Af293 EAL85930.1    
 chitinase 4 (Chi4;Afu5g03530) (fragment) 3.2.1.14 Aspergillus fumigatus Af293 EAL85953.1    
 chitinase 3 (Chi3;Afu7g05140) 3.2.1.14 Aspergillus fumigatus Af293 EAL86957.1    
 chitinase A2 / 2 (Chi2;ChiA2;Afu8g00700) 3.2.1.14 Aspergillus fumigatus Af293 EAL85097.1    
 chitinase B1 (ChiB1) 3.2.1.14 Aspergillus fumigatus ATCC 13073 AAO61686.1 Q873X9 1W9P[A,B]
1W9U[A,B]
1W9V[A,B]
2A3A[A,B]
2A3B[A,B]
2A3C[A,B]
2A3E[A,B]
2IUZ[A,B]
3CH9[A,B]
3CHC[A,B]
3CHD[A,B]
3CHE[A,B]
3CHF[A,B]
 chitinase A1 (ChiA1)   Aspergillus fumigatus ATCC 13073 AAO61685.1 Q873Y0 2XTK[A,B]
2XUC[A,B,C]
2XVN[A,B,C]
2XVP[A,B]
4TX6[A,B]
 chitinase (ChiB) 3.2.1.14 Aspergillus fumigatus YJ-407 AAP23218.1 Q870C0 1WNO[A,B]
 Chi100   Aspergillus fumigatus YJ-407 AAS72549.1 Q6Q121  
 AN5454.2   Aspergillus nidulans FGSC A4 EAA62614.1 C8VGG6
Q5B1X6
 
 AN5077.2   Aspergillus nidulans FGSC A4 EAA60172.1 C8V802
Q5B303
 
 AN9447.2   Aspergillus nidulans FGSC A4 EAA60035.1 Q5AQI3  
 chitinase B (ChiB;AN4871.2) 3.2.1.14 Aspergillus nidulans FGSC A4 EAA60949.1 C8V9U9
G5EAZ3
 
 AN7613 (ChiC2-1)   Aspergillus nidulans FGSC A4 EAA61799.1 C8VBV9
Q5AVR7
 
 chitinase A (ChiA;AN8241.2) 3.2.1.14 Aspergillus nidulans FGSC A4 EAA58979.1 C8V7G5
G5EB30
 
 AN0549.2   Aspergillus nidulans FGSC A4 EAA66648.1 C8VSL9
Q5BFY1
 
 AN0517.2   Aspergillus nidulans FGSC A4 EAA66616.1 C8VSV7
Q5BG13
 
 AN0299.2 (fragment)   Aspergillus nidulans FGSC A4 EAA65705.1 Q5BGN1  
 AN8245.2   Aspergillus nidulans FGSC A4 EAA58983.1 Q5ATY5  
 AN10502 / ANIA_10502 (ChiC2-4) (formerly AN3978)   Aspergillus nidulans FGSC A4 CBF74964.1
EAA59449.1
Q5B652  
 AN0509 (ChiC2-2)   Aspergillus nidulans FGSC A4 EAA66608.1 C8VSW7
Q5BG21
 
 AN8481.2   Aspergillus nidulans FGSC A4 EAA67103.1 C8VEJ3
Q5AT99
 
 AN0221.2   Aspergillus nidulans FGSC A4 EAA66094.1 C8VUT8
Q5BGV9
 
 AN8217.2   Aspergillus nidulans FGSC A4 EAA58873.1 Q5AU13  
 AN10838 / ANIA_10838 (ChiC2-3) (formerly AN6662)   Aspergillus nidulans FGSC A4 CBF71201.1
EAA58191.1
Q5AYG8  
 AN0541.2   Aspergillus nidulans FGSC A4 EAA66640.1 C8VSN0
Q5BFY9
 
 AN7886.2 (fragment)   Aspergillus nidulans FGSC A4 EAA59540.1 C8V4I4
Q5AUZ4
 
 chitinase C (ChiC;AN9390.2) 3.2.1.14 Aspergillus nidulans FGSC A4 EAA66457.1
AAG34171.1
C8VRJ3
Q5AQP0
 
 chitinase A (ChiA) 3.2.1.14 Aspergillus nidulans FGSC89 BAA36223.1 Q92223  
 chitinase B (ChiB) 3.2.1.14 Aspergillus nidulans FGSC89 BAA35140.2 Q92222  
 An01g05360   Aspergillus niger CBS 513.88 CAK43705.1 A2Q8S2  
 chitinase (starvation-induced) (ChiB;CfcA;An02g07020) 3.2.1.14 Aspergillus niger CBS 513.88 CAK44246.1 A5AA94  
 exo-chitinase (CfcI;An02g13580) 3.2.1.- Aspergillus niger CBS 513.88 CAK47771.1 A2QF78  
 An04g04670   Aspergillus niger CBS 513.88 CAK38731.1 A2QIT7  
 An08g09030   Aspergillus niger CBS 513.88 CAK96682.1 A5AB48  
Top


Last update: 2017-10-09 © Copyright 1998-2017
AFMB - CNRS - Université d'Aix-Marseille