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 (19679); Uniprot accession (3282); PDB accession (348); 3D entries (90); cryst (3)
All (18107) Archaea (68) Bacteria (13848) Eukaryota (3549) Viruses (337) unclassified (305) Structure (90 - 3 cryst) Characterized (488)
| 1 | ... | 114 | 115 | 116 | 117 | 118 | 119 | 120 | 121 | 122 | ... | 139 |
Bacteria
Protein Name EC#OrganismGenBank UniprotPDB/3D
 Thebr_1512   Thermoanaerobacter brockii subsp. finnii Ako-1 ADV80078.1 C5UBI0  
 Thit_0805   Thermoanaerobacter italicus Ab9 ADD02083.1 D3T801  
 Thit_2291   Thermoanaerobacter italicus Ab9 ADD03498.1 D3T6A4  
 Thit_1372   Thermoanaerobacter italicus Ab9 ADD02631.1 D3T329  
 Tmath_0844   Thermoanaerobacter mathranii subsp. mathranii str. A3 ADH60581.1 D7AN15  
 Tmath_2202   Thermoanaerobacter mathranii subsp. mathranii str. A3 ADH61868.1 D7ATJ1  
 Tmath_2187   Thermoanaerobacter mathranii subsp. mathranii str. A3 ADH61857.1 D7AT61  
 Teth39_1477   Thermoanaerobacter pseudethanolicus ATCC 33223 ABY95127.1 B0KAJ3  
 Thet_1641   Thermoanaerobacter sp. X513 ADN55224.1 E1SXE7  
 Thet_0776   Thermoanaerobacter sp. X513 ADN54406.1 E1SZ93  
 Teth514_1268   Thermoanaerobacter sp. X514 ABY92561.1 B0K6T5  
 Teth514_2159   Thermoanaerobacter sp. X514 ABY93431.1 B0K4F8  
 Thewi_0949   Thermoanaerobacter wiegelii Rt8.B1 AEM78378.1    
 Thewi_2628   Thermoanaerobacter wiegelii Rt8.B1 AEM79952.1    
 Thewi_1676   Thermoanaerobacter wiegelii Rt8.B1 AEM79076.1    
 D2962_13645   Thermoanaerobacterales bacterium SK-G1 AYO32308.1    
 D2962_14405   Thermoanaerobacterales bacterium SK-G1 AYO32316.1    
 D2962_01785   Thermoanaerobacterales bacterium SK-G1 AYO32153.1    
 Tsac_1536   Thermoanaerobacterium saccharolyticum JW/SL-YS485 AFK86543.1    
 Tsac_2467   Thermoanaerobacterium saccharolyticum JW/SL-YS485 AFK87465.1    
 Tsac_2152   Thermoanaerobacterium saccharolyticum JW/SL-YS485 AFK87156.1    
 SAMN05660242_2908   Thermoanaerobacterium sp. RBIITD SNX55114.1    
 SAMN05660242_2739   Thermoanaerobacterium sp. RBIITD SNX54974.1    
 SAMN05660242_2895   Thermoanaerobacterium sp. RBIITD SNX55102.1    
 Tthe_0808   Thermoanaerobacterium thermosaccharolyticum DSM 571 ADL68357.1 D9TLN2  
 Tthe_1094   Thermoanaerobacterium thermosaccharolyticum DSM 571 ADL68615.1 D9TNK9  
 Tthe_2003   Thermoanaerobacterium thermosaccharolyticum DSM 571 ADL69485.1 D9TMC0  
 chitinase A1 (Tthe_2353)   Thermoanaerobacterium thermosaccharolyticum DSM 571 ADL69820.1 D9TS97  
 Tthe_1075   Thermoanaerobacterium thermosaccharolyticum DSM 571 ADL68597.1 D9TNJ1  
 Tthe_1653   Thermoanaerobacterium thermosaccharolyticum DSM 571 ADL69162.1 D9TPZ3  
 Thethe_01037   Thermoanaerobacterium thermosaccharolyticum M0795 AGB18698.1    
 Thethe_02019   Thermoanaerobacterium thermosaccharolyticum M0795 AGB19618.1    
 Thethe_01026   Thermoanaerobacterium thermosaccharolyticum M0795 AGB18687.1    
 Thethe_01660   Thermoanaerobacterium thermosaccharolyticum M0795 AGB19296.1    
 Thert_02982 (ChiD)   Thermoanaerobacterium thermosaccharolyticum TG57 AST58770.1    
 Thert_00172 (ChiA)   Thermoanaerobacterium thermosaccharolyticum TG57 AST56414.1    
 Thert_02885 (ChiC)   Thermoanaerobacterium thermosaccharolyticum TG57 AST58693.1    
 Thert_00414 (ChiB)   Thermoanaerobacterium thermosaccharolyticum TG57 AST56622.1    
 Thert_02538 (fragment)   Thermoanaerobacterium thermosaccharolyticum TG57 AST58404.1    
 Thexy_0832   Thermoanaerobacterium xylanolyticum LX-11 AEF16873.1    
 Thexy_1644   Thermoanaerobacterium xylanolyticum LX-11 AEF17673.1    
 Thexy_1606   Thermoanaerobacterium xylanolyticum LX-11 AEF17637.1    
 Theco_1773   Thermobacillus composti KWC4 AGA57904.1    
 Theco_2912   Thermobacillus composti KWC4 AGA58979.1    
 chitinase   Thermobifida alba AHK119 BBA57844.1    
 Tfu_0580 3.2.1.14 Thermobifida fusca YX AAZ54618.1 Q47SE9  
 Tfu_0868   Thermobifida fusca YX AAZ54906.1 Q47RL1  
 Tbis_1021   Thermobispora bispora DSM 43833 ADG87744.1 D6Y7S5  
 Tbis_1022   Thermobispora bispora DSM 43833 ADG87745.1 D6Y7S6  
 Tbis_2862   Thermobispora bispora DSM 43833 ADG89561.1 D6Y6S0  
 Tbis_2281   Thermobispora bispora DSM 43833 ADG88991.1 D6Y3B6  
 CSTERLE_09605   Thermoclostridium stercorarium subsp. leptospartum DSM 9219 ANX01803.1    
 CSTERLE_12345   Thermoclostridium stercorarium subsp. leptospartum DSM 9219 ANX02305.1    
 CSTERLE_01930   Thermoclostridium stercorarium subsp. leptospartum DSM 9219 ANX00436.1    
 CSTERLE_08270   Thermoclostridium stercorarium subsp. leptospartum DSM 9219 ANX01568.1    
 Cst_c24720   Thermoclostridium stercorarium subsp. stercorarium DSM 8532 AGC69431.1
AGI40389.1
   
 Cst_c03690   Thermoclostridium stercorarium subsp. stercorarium DSM 8532 AGI38453.1
AGC67393.1
   
 Cst_c17270   Thermoclostridium stercorarium subsp. stercorarium DSM 8532 AGI39716.1
AGC68707.1
   
 CSTERTH_11850   Thermoclostridium stercorarium subsp. thermolacticum DSM 2910 ANW99679.1    
 CSTERTH_08370   Thermoclostridium stercorarium subsp. thermolacticum DSM 2910 ANW99040.1    
 CSTERTH_01940   Thermoclostridium stercorarium subsp. thermolacticum DSM 2910 ANW97884.1    
 TDSAC_0375   Thermodesulfobium acidiphilum 3127-1 AWB09751.1    
 Thena_0377   Thermodesulfobium narugense DSM 14796 AEE14023.1    
 KTA_29070   Thermogemmatispora sp. A3-2 BBH94708.1    
 KTA_38410   Thermogemmatispora sp. A3-2 BBH95642.1    
 KTA_39390   Thermogemmatispora sp. A3-2 BBH95740.1    
 KTA_39380   Thermogemmatispora sp. A3-2 BBH95739.1    
 KTA_01560   Thermogemmatispora sp. A3-2 BBH91957.1    
 Toce_0544   Thermosediminibacter oceani DSM 16646 ADL07317.1 D9S1P0  
 Toce_0239   Thermosediminibacter oceani DSM 16646 ADL07025.1 D9S097  
 TMO_1740   Tistrella mobilis KA081020-065 AFK53579.1    
 TMO_2370   Tistrella mobilis KA081020-065 AFK54208.1    
 Trebr_1097   Treponema brennaborense DSM 12168 AEE16529.1    
 CIG75_07080   Tumebacillus algifaecis THMBR28 ASS74762.1    
 CIG75_06940   Tumebacillus algifaecis THMBR28 ASS77144.1    
 CIG75_10250   Tumebacillus algifaecis THMBR28 ASS75333.1    
 CIG75_18835   Tumebacillus algifaecis THMBR28 ASS76794.1    
 CIG75_09245   Tumebacillus algifaecis THMBR28 ASS75147.1    
 CIG75_08385   Tumebacillus algifaecis THMBR28 ASS75003.1    
 CBW65_19180   Tumebacillus avium AR23208 ARU62863.1    
 CBW65_22830   Tumebacillus avium AR23208 ARU63522.1    
 CBW65_21245   Tumebacillus avium AR23208 ARU63221.1    
 CBW65_23015   Tumebacillus avium AR23208 ARU63559.1    
 CBW65_20320   Tumebacillus avium AR23208 ARU63058.1    
 CBW65_08845   Tumebacillus avium AR23208 ARU61125.1    
 CBW65_19185   Tumebacillus avium AR23208 ARU62864.1    
 Turpa_0700   Turneriella parva DSM 21527 AFM11351.1    
 Turpa_1671   Turneriella parva DSM 21527 AFM12319.1    
 Chitinase/ glycosyl hydrolases family 18 (Mz0009)   uncultured bacterium CDW92039.1    
 ORF (fragment)   uncultured bacterium AAL89764.1 Q8RNB3  
 ORF (fragment)   uncultured bacterium AAL89765.1
AAL89773.1
AAL89780.1
Q8RNA2
Q8RNB2
 
 ORF (fragment)   uncultured bacterium AAL89766.1
AAL89769.1
AAL89771.1
AAL89777.1
AAL89782.1
AAL89783.1
AAL89784.1
Q8RJD9
Q8RJF3
Q8RNA3
Q8RNA9
 
 ORF (fragment)   uncultured bacterium AAL89767.1
AAL89768.1
Q8RNB0
Q8RNB1
 
 ORF (fragment)   uncultured bacterium AAL89770.1
AAL89776.1
AAL89778.1
AAL89779.1
Q8RJA3
Q8RNA4
Q8RNA8
 
 ORF (fragment)   uncultured bacterium AAL89772.1
AAL89775.1
Q8RNA5
Q8RNA7
 
 chitinase (fragment)   uncultured bacterium AAL89774.1 Q8RNA6  
 chitinase (fragment)   uncultured bacterium AAL89781.1 Q8RNA1  
 glycoside hydrolase family GH18   uncultured bacterium AOE13096.1    
 chitinase (fragment)   uncultured bacterium AAL65167.1 Q8VQI9  
 chitinase (fragment)   uncultured bacterium AAL65168.1
AAL65169.1
Q8VLE8  
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