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Glycoside Hydrolase Family 18

Activities in FamilyNod factor hydrolase (EC 3.2.1.-);
Chitin exo-β-1,4-N-acetylglucosaminidase (EC 3.2.1.-);
Di-N-acetylchitobiase / reducing-end exo-hexosaminidase (EC 3.2.1.-);
Peptidoglycan endo-β-1,4-N-acetylglucosaminidase (EC 3.2.1.-);
Chitosanase (EC 3.2.1.132);
Chitinase (EC 3.2.1.14);
Chitin exo-β-1,4-N-acetylglucobiosaminidase (EC 3.2.1.200);
[reducing end] exo-chitinase (EC 3.2.1.201);
β-N-acetylhexosaminidase (EC 3.2.1.52);
Mannosyl-glycoprotein endo-β-N-acetylglucosaminidase (EC 3.2.1.96);
Mechanism Retaining e
ClanGH-K
3D Structure Status( β / α ) 8 barrel
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)MEGAZYME; NZYTech; PROZOMIX;
Statistics GenBank accession (42138); Uniprot accession (503); PDB accession (428); 3D entries (111); cryst (2)
Summary
Download GH18 (54740) Taxonomic display Structure (111 - 2 cryst) Characterized (433)
| 1 | ... | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | ... | 207 |
Eukaryota
Protein Name EC#OrganismGenBank UniprotPDB/3D
 CHT-1, partial (fragment)   Caenorhabditis japonica VX0186 AHH80963.1    
 CHT-1, partial (fragment)   Caenorhabditis japonica VX0187 AHH80967.1    
 CHT-1, partial (fragment)   Caenorhabditis japonica VX0190 AHH80948.1    
 CHT-1, partial (fragment)   Caenorhabditis japonica VX0191 AHH80949.1    
 CHT-1, partial (fragment)   Caenorhabditis japonica VX0193 AHH80951.1    
 CHT-1, partial (fragment)   Caenorhabditis japonica VX0194 AHH80952.1    
 CHT-1, partial (fragment)   Caenorhabditis japonica VX0195 AHH80953.1    
 CHT-1, partial (fragment)   Caenorhabditis japonica VX0196 AHH80954.1    
 CHT-1, partial (fragment)   Caenorhabditis japonica VX0197 AHH80947.1    
 CHT-1, partial (fragment)   Caenorhabditis japonica VX0200 AHH80950.1    
 CHT-1, partial (fragment)   Caenorhabditis japonica VX0201 AHH80964.1    
 CHT-1, partial (fragment)   Caenorhabditis japonica VX0202 AHH80965.1    
 CHT-1, partial (fragment)   Caenorhabditis japonica VX0204 AHH80966.1    
 CHT-1, partial (fragment)   Caenorhabditis japonica VX0205 AHH80968.1    
 CHT-1, partial (fragment)   Caenorhabditis japonica VX0206 AHH80970.1    
 CHT-1, partial (fragment)   Caenorhabditis japonica VX0209 AHH80971.1    
 CHT-1, partial (fragment)   Caenorhabditis japonica VX0210 AHH80972.1    
 CHT-1, partial (fragment)   Caenorhabditis japonica VX0211 AHH80973.1    
 CHT-1, partial (fragment)   Caenorhabditis japonica VX0212 AHH80974.1    
 CHT-1, partial (fragment)   Caenorhabditis japonica VX0214 AHH80975.1    
 CHT-1, partial (fragment)   Caenorhabditis japonica VX0215 AHH80976.1    
 CHT-1, partial (fragment)   Caenorhabditis japonica VX0217 AHH80977.1    
 CHT-1, partial (fragment)   Caenorhabditis japonica VX0218 AHH80969.1    
 CHT-1, partial (fragment)   Caenorhabditis remanei JU1082 AFL37334.1    
 CHT-1, partial (fragment)   Caenorhabditis remanei JU1084 AFL37335.1    
 CHT-1, partial (fragment)   Caenorhabditis remanei JU1086 AFL37336.1    
 CHT-1, partial (fragment)   Caenorhabditis remanei JU1087 AFL37337.1    
 CHT-1, partial (fragment)   Caenorhabditis remanei MY201 AFL37319.1    
 CHT-1, partial (fragment)   Caenorhabditis remanei MY202 AFL37315.1    
 CHT-1, partial (fragment)   Caenorhabditis remanei MY203 AFL37316.1    
 CHT-1, partial (fragment)   Caenorhabditis remanei MY204 AFL37317.1    
 CHT-1, partial (fragment)   Caenorhabditis remanei MY206 AFL37318.1    
 CHT-1, partial (fragment)   Caenorhabditis remanei MY208 AFL37320.1    
 CHT-1, partial (fragment)   Caenorhabditis remanei MY209 AFL37321.1    
 CHT-1, partial (fragment)   Caenorhabditis remanei MY210 AFL37322.1    
 CHT-1, partial (fragment)   Caenorhabditis remanei MY212 AFL37323.1    
 CHT-1, partial (fragment)   Caenorhabditis remanei MY213 AFL37324.1    
 CHT-1, partial (fragment)   Caenorhabditis remanei MY214 AFL37325.1    
 CHT-1, partial (fragment)   Caenorhabditis remanei MY218 AFL37326.1    
 CHT-1, partial (fragment)   Caenorhabditis remanei MY219 AFL37327.1    
 CHT-1, partial (fragment)   Caenorhabditis remanei MY220 AFL37328.1    
 CHT-1, partial (fragment)   Caenorhabditis remanei MY221 AFL37329.1    
 CHT-1, partial (fragment)   Caenorhabditis remanei MY222 AFL37330.1    
 CHT-1, partial (fragment)   Caenorhabditis remanei MY223 AFL37331.1    
 CHT-1, partial (fragment)   Caenorhabditis remanei MY224 AFL37332.1    
 CHT-1, partial (fragment)   Caenorhabditis remanei MY225 AFL37333.1    
 CHT-1 (fragment)   Caenorhabditis remanei PB207 ACC44529.1    
 CHT-1 (fragment)   Caenorhabditis remanei PB210 ACC44530.1    
 CHT-1 (fragment)   Caenorhabditis remanei PB211 ACC44531.1    
 CHT-1 (fragment)   Caenorhabditis remanei PB213 ACC44532.1    
 CHT-1 (fragment)   Caenorhabditis remanei PB215 ACC44533.1    
 CHT-1 (fragment)   Caenorhabditis remanei PB219 ACC44534.1    
 CHT-1 (fragment)   Caenorhabditis remanei PB242 ACC44535.1    
 CHT-1 (fragment)   Caenorhabditis remanei PB243 ACC44536.1    
 CHT-1 (fragment)   Caenorhabditis remanei PB244 ACC44537.1    
 CHT-1 (fragment)   Caenorhabditis remanei PB247 ACC44538.1    
 CHT-1 (fragment)   Caenorhabditis remanei PB249 ACC44539.1    
 CHT-1 (fragment)   Caenorhabditis remanei PB252 ACC44540.1    
 CHT-1 (fragment)   Caenorhabditis remanei PB253 ACC44541.1    
 CHT-1 (fragment)   Caenorhabditis remanei PB275 ACC44542.1    
 CHT-1 (fragment)   Caenorhabditis remanei PB4641 ACC44543.1    
 CHT-1, partial (fragment)   Caenorhabditis remanei QX1539 AFL37338.1    
 CHT-1, partial (fragment)   Caenorhabditis remanei QX1540 AFL37339.1    
 CHT-1, partial (fragment)   Caenorhabditis remanei QX1557 AFL37340.1    
 CHT-1 (fragment)   Caenorhabditis remanei SB146 ACC44544.1    
 CHT-1, partial (fragment)   Caenorhabditis remanei VX0001 AFL37299.1    
 CHT-1, partial (fragment)   Caenorhabditis remanei VX0002 AFL37300.1    
 CHT-1, partial (fragment)   Caenorhabditis remanei VX0003 AFL37301.1    
 CHT-1, partial (fragment)   Caenorhabditis remanei VX0004 AFL37302.1    
 CHT-1, partial (fragment)   Caenorhabditis remanei VX0007 AFL37303.1    
 CHT-1, partial (fragment)   Caenorhabditis remanei VX0008 AFL37304.1    
 CHT-1, partial (fragment)   Caenorhabditis remanei VX0010 AFL37305.1    
 CHT-1, partial (fragment)   Caenorhabditis remanei VX0011 AFL37306.1    
 CHT-1, partial (fragment)   Caenorhabditis remanei VX0012 AFL37307.1    
 CHT-1, partial (fragment)   Caenorhabditis remanei VX0013 AFL37308.1    
 CHT-1, partial (fragment)   Caenorhabditis remanei VX0015 AFL37309.1    
 CHT-1, partial (fragment)   Caenorhabditis remanei VX0016 AFL37310.1    
 CHT-1, partial (fragment)   Caenorhabditis remanei VX0017 AFL37311.1    
 CHT-1, partial (fragment)   Caenorhabditis remanei VX0019 AFL37312.1    
 CHT-1, partial (fragment)   Caenorhabditis remanei VX0020 AFL37313.1    
 CHT-1, partial (fragment)   Caenorhabditis remanei VX0021 AFL37314.1    
 CHT-1, partial (fragment)   Caenorhabditis sp. 23 AD-2012 JU724 AFL38027.1    
 CHT-1, partial (fragment)   Caenorhabditis sp. 23 AD-2012 VX0080 AFL38018.1    
 CHT-1, partial (fragment)   Caenorhabditis sp. 23 AD-2012 VX0081 AFL38019.1    
 CHT-1, partial (fragment)   Caenorhabditis sp. 23 AD-2012 VX0082 AFL38020.1    
 CHT-1, partial (fragment)   Caenorhabditis sp. 23 AD-2012 VX0083 AFL38021.1    
 CHT-1, partial (fragment)   Caenorhabditis sp. 23 AD-2012 VX0084 AFL38022.1    
 CHT-1, partial (fragment)   Caenorhabditis sp. 23 AD-2012 VX0085 AFL38023.1    
 CHT-1, partial (fragment)   Caenorhabditis sp. 23 AD-2012 VX0086 AFL38024.1    
 CHT-1, partial (fragment)   Caenorhabditis sp. 23 AD-2012 VX0087 AFL38025.1    
 CHT-1, partial (fragment)   Caenorhabditis sp. 23 AD-2012 VX0088 AFL38026.1    
 5586   Cafeteria roenbergensis BVI (Cafroe1)      
 ORF   Cajanus platycarpus QIJ55476.1    
 ORF   Cajanus platycarpus QIJ55477.1    
 ORF   Cajanus platycarpus QIJ55478.1    
 FKW44_001837   Caligus rogercresseyi QQP56989.1    
 FKW44_001837   Caligus rogercresseyi QQP56989.1    
 FKW44_017059 (fragment)   Caligus rogercresseyi QQP42408.1    
 acidic mammalian chitinase (MchiA)   Callithrix jacchus AUE24253.1    
 acidic mammalian chitinase (HchiA)   Callithrix jacchus AUE24252.1    
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