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 (14721); Uniprot accession (3282); PDB accession (301); 3D entries (77); cryst (4)
All (13178) Archaea (61) Bacteria (9567) Eukaryota (3057) Viruses (256) unclassified (237) Structure (77 - 4 cryst) Characterized (477)
| 1 | 2 | 3 |
Viruses
Protein Name EC#OrganismGenBank UniprotPDB/3D
 ATCV1_Z780L   Acanthocystis turfacea Chlorella virus 1 ABT16914.1 A7KA40  
 ATCV1_Z814L   Acanthocystis turfacea Chlorella virus 1 ABT16948.1 A7KA74  
 ATCVBr0604L_902R   Acanthocystis turfacea Chlorella virus Br0604L AGE49320.1    
 ATCVBr0604L_942L   Acanthocystis turfacea Chlorella virus Br0604L AGE49332.1    
 ATCVCan0610SP_996R   Acanthocystis turfacea Chlorella virus Can0610SP AGE49664.1    
 ATCVCan0610SP_936R   Acanthocystis turfacea Chlorella virus Can0610SP AGE49647.1    
 ATCVCanal1_138L (Canal-1_138L)   Acanthocystis turfacea Chlorella virus Canal-1 AGE50079.1    
 ATCVCanal1_855L (Canal-1_855L)   Acanthocystis turfacea Chlorella virus Canal-1 AGE50333.1    
 ATCVCanal1_815L (Canal-1_815L)   Acanthocystis turfacea Chlorella virus Canal-1 AGE50320.1    
 ATCVGM07011_963L (Gm0701.1_963L)   Acanthocystis turfacea Chlorella virus GM0701.1 AGE53713.1    
 ATCVGM07011_917R (Gm0701.1_917R)   Acanthocystis turfacea Chlorella virus GM0701.1 AGE53701.1    
 ATCVMN08101_162L (Mn0810.1_162L)   Acanthocystis turfacea Chlorella virus MN0810.1 AGE55552.1    
 ATCVMN08101_1003L (Mn0810.1_1003L)   Acanthocystis turfacea Chlorella virus MN0810.1 AGE55823.1    
 ATCVMO0605SPH_871L   Acanthocystis turfacea Chlorella virus MO0605SPH AGE56121.1    
 ATCVMO0605SPH_911L   Acanthocystis turfacea Chlorella virus MO0605SPH AGE56132.1    
 ATCVNEJV2_950L (Ne-jv-2_950L)   Acanthocystis turfacea Chlorella virus NE-JV-2 AGE56798.1    
 ATCVNEJV2_1008R (Ne-jv-2_1008R)   Acanthocystis turfacea Chlorella virus NE-JV-2 AGE56814.1    
 ATCVNEJV3_948L (Ne-jv-3_948L)   Acanthocystis turfacea Chlorella virus NE-JV-3 AGE57134.1    
 ATCVNEJV3_907L (Ne-jv-3_907L)   Acanthocystis turfacea Chlorella virus NE-JV-3 AGE57124.1    
 ATCVNTS1_1039R (Nts-1_1039R)   Acanthocystis turfacea Chlorella virus NTS-1 AGE57849.1    
 ATCVNTS1_973L (Nts-1_973L)   Acanthocystis turfacea Chlorella virus NTS-1 AGE57832.1    
 ATCVOR07043_918R (Or0704.3_918R)   Acanthocystis turfacea Chlorella virus OR0704.3 AGE59573.1    
 ATCVOR07043_994R (Or0704.3_994R)   Acanthocystis turfacea Chlorella virus OR0704.3 AGE59594.1    
 ATCVTN60342_939R (Tn603.4.2_939R)   Acanthocystis turfacea Chlorella virus TN603.4.2 AGE59925.1    
 ATCVTN60342_977L (Tn603.4.2_977L)   Acanthocystis turfacea Chlorella virus TN603.4.2 AGE59935.1    
 ATCVWI0606_929L   Acanthocystis turfacea Chlorella virus WI0606 AGE60252.1    
 ATCVWI0606_889L (fragment)   Acanthocystis turfacea Chlorella virus WI0606 AGE60242.1    
 ORF46   Acipenserid herpesvirus 2 SRWSHV (Snake River White Sturgeon Herpesvirus) AEF97704.1    
 ChiT (fragment)   Agraulis vanillae MNPV tmk1 ADV74827.1    
 chitinase (agip27;ChiA)   Agrotis ipsilon multiple nucleopolyhedrovirus Illinois ACI28729.1 B6D5U1  
 AsGVgp032   Agrotis segetum granulovirus AAS82706.1 Q6QXF1  
 AsGV036   Agrotis segetum granulovirus DA AKN63310.1    
 AsGV036   Agrotis segetum granulovirus L1 AHN92075.1    
 ORF-23   Agrotis segetum nucleopolyhedrovirus AAZ38189.1 Q287P9  
 chitinase   Agrotis segetum nucleopolyhedrovirus B AIZ48582.1    
 chitinase (ChiA)   Antheraea pernyi nucleopolyhedrovirus BAB69772.1
ABF50272.1
ABQ12260.1
Q91CM0  
 chitinase (ChiA)   Antheraea pernyi nucleopolyhedrovirus Liaoning BAX08802.1    
 chitinase (ChiA)   Antheraea pernyi nucleopolyhedrovirus Liaoning BAX08930.1    
 chitinase (ChiA)   Antheraea yamamai nucleopolyhedrovirus Nagano BAX08933.1    
 LO84_127 (Ac-chitinasE)   Autographa californica multiple nucleopolyhedrovirus AKN58976.1    
 chitinase (Ac-chitinasE)   Autographa californica nucleopolyhedrovirus AAA66756.1    
 ACNVgp127 (ChitinasE)   Autographa californica nucleopolyhedrovirus ANN45909.1
ANN45747.1
   
 chitinase (ChiA;ACNVgp127) 3.2.1.14 Autographa californica nucleopolyhedrovirus NP_054156.1 P41684  
 chitinase (ChiA;bAcMK128) 3.2.1.14 Autographa californica nucleopolyhedrovirus C6 AGQ56829.1 P41684  
 Ac-ChiA   Autographa californica nucleopolyhedrovirus E2 AIU56979.1
CAD79454.1
  5DEZ[A,B]
5DF0[A,B]
 chitinase A (Bomanpvgp109)   Bombyx mandarina nucleopolyhedrovirus ACQ57299.1 C3VP15  
 Bomanpvs2gp108   Bombyx mandarina nucleopolyhedrovirus S2 AFO10078.1    
 chitinase   Bombyx mori nuclear polyhedrosis virus K1 AAV73807.1 Q5PSI9  
 chitinase   Bombyx mori nucleopolyhedrovirus BBA20608.1    
 chitinase (Chi)   Bombyx mori nucleopolyhedrovirus AEC11640.1    
 bmnpvc2gp102   Bombyx mori nucleopolyhedrovirus AGX01330.1    
 bmnpvc1gp103   Bombyx mori nucleopolyhedrovirus AGX01202.1    
 bmnpvC6gp103   Bombyx mori nucleopolyhedrovirus AGX01458.1    
 Bm(Br)Orf-111   Bombyx mori nucleopolyhedrovirus Brazilian AIS92842.1    
 Bmnpvcubicgp108   Bombyx mori nucleopolyhedrovirus Cubic AFN09032.1    
 Bmnpvguangxigp109   Bombyx mori nucleopolyhedrovirus Guangxi AFN21361.1    
 Bmnpvindiagp107   Bombyx mori nucleopolyhedrovirus India AFN21221.1    
 chitinase A (ChiA)   Bombyx mori nucleopolyhedrovirus SUZHOU AAT38520.1 Q6IWK7  
 chitinase (ChiA;Chi-A;orf126;BmNPVgp110) 3.2.1.14 Bombyx mori nucleopolyhedrovirus T3 AAC63792.1
NP_047523.1
O92482  
 Bmnpvzhejianggp108   Bombyx mori nucleopolyhedrovirus Zhejiang AFN21081.1    
 Orf51   Buzura suppressaria nucleopolyhedrovirus AHH82640.1
AKN91023.1
   
 CapoNPV_114   Catopsilia pomona nucleopolyhedrovirus ANF29762.1    
 ORF121   Choristoneura fumiferana DEF multiple nucleopolyhedrovirus AAQ91647.1
NP_932730.1
Q6VTL8  
 chitinase 3.2.1.14 Choristoneura fumiferana multiple nucleopolyhedrovirus AAB68594.1 O41478
Q6LCC0
 
 chitinase   Choristoneura fumiferana multiple nucleopolyhedrovirus AAP29899.1
NP_848428.1
O41478
Q6LCC0
 
 chmu032   Choristoneura murinana alphabaculovirus Darmstadt AHD25519.1    
 chitinase (V-chI)   Choristoneura occidentalis alphabaculovirus AGR56920.1    
 chitinase (V-chI)   Choristoneura rosaceana alphabaculovirus AGR57068.1    
 chitinase (ORF-65)   Chrysodeixis chalcites nucleopolyhedrovirus AAY83996.1 Q4KT15  
 chitinase   Chrysodeixis chalcites nucleopolyhedrovirus TF1 AGE61625.1
AGE61326.1
AGE61475.1
AGE61774.1
   
 TF1A_0065   Chrysodeixis chalcites SNPV TF1-A AGC36279.1    
 chitinase (ChiA)   Chrysodeixis includens nucleopolyhedrovirus AOL56500.1    
 chitinase (ChiA)   Chrysodeixis includens nucleopolyhedrovirus AOL57208.1    
 chitinase (ChiA)   Chrysodeixis includens nucleopolyhedrovirus AOL57067.1    
 chitinase (ChiA)   Chrysodeixis includens nucleopolyhedrovirus AOL56783.1    
 chitinase (ChiA)   Chrysodeixis includens nucleopolyhedrovirus AOL56925.1    
 chitinase (ChiA)   Chrysodeixis includens nucleopolyhedrovirus AOL56642.1    
 chitinase (ORF-59)   Clanis bilineata nucleopolyhedrosis virus ABF47402.1 Q0N441  
 chitinase (Orf1)   Clostera anachoreta granulovirus Hubei ADU24591.1
AEB00297.1
   
 CaLGV009   Clostera anastomosis granulovirus AGQ20268.1    
 chitinase   Cyclophragma undans nucleopolyhedrovirus AOT85583.1    
 chitinase (ChiA;Chi;ORF10) 3.2.1.14 Cydia pomonella granulosis virus (isolate Mexican) AAK70677.1
BAA31200.1
NP_148794.1
O91465  
 ORF10 chitinase   Cydia pomonella granulovirus CpGV-E2 AIU37220.1    
 ORF10 chitinase   Cydia pomonella granulovirus CpGV-I07 AIU36799.1    
 ORF10 chitinase   Cydia pomonella granulovirus CpGV-I12 AIU37078.1    
 ORF10 chitinase   Cydia pomonella granulovirus CpGV-M AIU36936.1    
 ORF10 chitinase   Cydia pomonella granulovirus CpGV-S AIU36659.1    
 chitinase   Dasychira pudibunda nucleopolyhedrovirus AKR14109.1    
 chitinase (Chi;DkChi) 3.2.1.14 Dendrolimus kikuchii nucleopolyhedrovirus AFP66961.1    
 chitinase   Dendrolimus kikuchii nucleopolyhedrovirus YN AFS52003.1    
 ChiT (fragment)   Dione juno MNPV tmk1/ARG/2003 ADQ43791.1    
 ORF50   Ectropis obliqua nucleopolyhedrovirus A1 ABI35733.1 A0EYV3  
 wdlz-06GM61   Ectropis obliqua nucleopolyhedrovirus unioasis 1 AGS47906.1    
 chitinase (v-ChiA;ORF32)   Epinotia aporema granulovirus AER41458.1    
 exochitinase (Chi;Orf110) 3.2.1.14 Epiphyas postvittana nucleopolyhedrovirus AAK85674.1
NP_203279.1
Q91GE4  
 chitinase   Euproctis pseudoconspersa nucleopolyhedrovirus Hangzhou ACO53505.1 C3TWW3  
 spike glycoprotein (S)   Fathead minnow nidovirus ADN95979.2
ALI16300.1
ALI16301.1
ALI16302.1
   
 SGHV027   Glossina pallidipes salivary gland hypertrophy virus ABQ08800.1 B0YLI1  
 GpSGHVEth027   Glossina pallidipes salivary gland hypertrophy virus Ethiopian AMB48631.1    
 chitinase (Hear105)   Helicoverpa armigera granulovirus ABY47796.1 A9YMU7  
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