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 (18848); Uniprot accession (3282); PDB accession (335); 3D entries (89); cryst (3)
All (17286) Archaea (62) Bacteria (13199) Eukaryota (3455) Viruses (333) unclassified (237) Structure (89 - 3 cryst) Characterized (482)
| 1 | ... | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | ... | 132 |
Bacteria
Protein Name EC#OrganismGenBank UniprotPDB/3D
 CB4_01245 (PgaC)   Aneurinibacillus soli CB4 BAU27076.1    
 CB4_02129 (Yaah_3) (fragment)   Aneurinibacillus soli CB4 BAU27955.1    
 CB4_02202 (YdhD)   Aneurinibacillus soli CB4 BAU28028.1    
 ACH33_10850 (fragment)   Aneurinibacillus sp. XH2 AMA73302.1    
 ACH33_10785 (fragment)   Aneurinibacillus sp. XH2 AMA73291.1    
 GFC30_181   Anoxybacillus amylolyticus DSM 15939 ANB60739.1    
 GFC30_1655   Anoxybacillus amylolyticus DSM 15939 ANB61241.1    
 GFC28_2668   Anoxybacillus sp. B2M1 ANB55828.1    
 GFC28_3755 (SafA)   Anoxybacillus sp. B2M1 ANB57503.1    
 GFC29_1678 (SafA)   Anoxybacillus sp. B7M1 ANB64264.1    
 GFC29_2767   Anoxybacillus sp. B7M1 ANB63443.1    
 BBF96_14175   Anoxybacter fermentans DY22613 AZR74431.1    
 SAMN00777080_2663   Aquiflexum balticum DSM 16537 SMD44048.1    
 SAMN00777080_2641   Aquiflexum balticum DSM 16537 SMD44026.1    
 D1815_19900   Aquimarina sp. AD1 AXT57907.1    
 D1815_03540   Aquimarina sp. AD1 AXT54867.1    
 D1816_07615   Aquimarina sp. AD10 AXT60220.1    
 D1816_14670   Aquimarina sp. AD10 AXT61540.1    
 D1816_10925 (fragment)   Aquimarina sp. AD10 AXT60835.1    
 D1816_07625   Aquimarina sp. AD10 AXT60222.1    
 D1816_07625   Aquimarina sp. AD10 AXT60222.1    
 D1816_07625   Aquimarina sp. AD10 AXT60222.1    
 D1818_04060   Aquimarina sp. BL5 AXT50043.1    
 A9P82_06440   Arachidicoccus sp. BS20 ANI88963.1    
 D6B99_14200   Arachidicoccus sp. KIS59-12 AYD48653.1    
 D6B99_01800   Arachidicoccus sp. KIS59-12 AYD49245.1    
 D6B99_06435   Arachidicoccus sp. KIS59-12 AYD47279.1    
 AA314_02457   Archangium gephyra DSM 2261 AKJ00831.1    
 DJ013_08250   Arcticibacterium luteifluviistationis SM1504 AWV98164.1    
 ADJ73_09510   Arsenicicoccus sp. oral taxon 190 F0371 AKT51493.1    
 CVO76_00975   Arthrobacter agilis UMCV2 AUZ86376.1    
 AOC05_02950   Arthrobacter alpinus R3.8 ALE91540.1    
 CGQ24_15780   Arthrobacter sp. 7749 ASN40320.1    
 CGQ24_04495   Arthrobacter sp. 7749 ASN38343.1    
 MB46_02510   Arthrobacter sp. A3 ALV44555.1    
 MB46_17090   Arthrobacter sp. A3 ALV46940.1    
 AL755_20940   Arthrobacter sp. ERGS1:01 ALE07374.1    
 Arth_1229   Arthrobacter sp. FB24 ABK02623.1 A0JUA3  
 AHiyo8_47230 (fragment)   Arthrobacter sp. Hiyo8 BAS16420.1    
 AHiyo8_47240 (fragment)   Arthrobacter sp. Hiyo8 BAS16421.1    
 AHiyo8_16780   Arthrobacter sp. Hiyo8 BAS13375.1    
 MN0502_02840   Arthrobacter sp. MN05-02 BBE21401.1    
 CFN17_10925   Arthrobacter sp. PM3 AXJ10079.1    
 ARUE_c33560   Arthrobacter sp. Rue61a AFR30237.1    
 chitinase (ChiC) 3.2.1.14 Arthrobacter sp. TAD20 CAD43215.1 Q6A4C3  
 chitinase (ChitiA) 3.2.1.14 Arthrobacter sp. TAD20 CAB62382.1 Q9RMB8  
 chitinase (ChitiB) 3.2.1.14 Arthrobacter sp. TAD20 CAB62499.1 Q9REI6 1KFW[A]
 ARZXY2_512   Arthrobacter sp. ZXY-2 AOY70078.1    
 Astex_1318   Asticcacaulis excentricus CB 48 ADU12991.1 C5SLQ2  
 EM6_0634   Asticcacaulis excentricus M6 BBF80056.1    
 AUMI_14430   Aurantimicrobium minutum KNC BAU98985.1    
 AURMO_00714   Aurantimicrobium sp. MWH-Mo1 AWR21323.1    
 type III fibronectin (fragment)   Aureimonas altamirensis DSM 21988 BAT25730.1    
 type III fibronectin (fragment)   Aureimonas altamirensis DSM 21988 BAT25730.1    
 type III fibronectin (fragment)   Aureimonas altamirensis DSM 21988 BAT25730.1    
 ORF   Aureimonas frigidaquae JCM 14755 BAT27953.1    
 C5O00_04350   Aureitalea sp. RR4-38 AVI50436.1    
 AZC_4417   Azorhizobium caulinodans ORS 571 BAF90415.1 A8HWC9  
 AZC_2901   Azorhizobium caulinodans ORS 571 BAF88899.1 A8IDA6  
 ABAZ39_28625   Azospirillum brasilense Az39 AIB15825.1    
 AZOBR_p310284   Azospirillum brasilense Sp245 CCD02542.1
AWJ92894.1
   
 TSH58p_32220   Azospirillum sp. TSH58 AWJ88261.1    
 BAE_07650   Bacillus aerophilus 232 QAR52692.1    
 EJW27_08810   Bacillus albus PFYN01 AZQ46764.1    
 CSE15_00120   Bacillus altitudinis P-10 ATP92493.1    
 CFN77_00120   Bacillus altitudinis SGAir0031 ATH70706.1    
 BAALB65_07160   Bacillus amyloliquefaciens ALB65 AWM43823.1    
 BAALB65_00115   Bacillus amyloliquefaciens ALB65 AWM42569.1    
 DDT09_00115   Bacillus amyloliquefaciens ALB69 AWM46392.1    
 DDT09_07175   Bacillus amyloliquefaciens ALB69 AWM47640.1    
 DDT10_00115   Bacillus amyloliquefaciens ALB79 AWM50213.1    
 DDT10_06730   Bacillus amyloliquefaciens ALB79 AWM51382.1    
 DDT10_06985   Bacillus amyloliquefaciens ALB79 AWM51429.1    
 chitinase   Bacillus amyloliquefaciens AVWX-1 ABO15008.1 A8QLM7  
 A1R12_06555   Bacillus amyloliquefaciens B15 AMR50023.1    
 A1R12_00105   Bacillus amyloliquefaciens B15 AMR48872.1    
 chitinase   Bacillus amyloliquefaciens BCM-1 AIU96332.1    
 U471_00180   Bacillus amyloliquefaciens CC178 AGZ54734.1    
 U471_13290   Bacillus amyloliquefaciens CC178 AGZ56035.1    
 BAMF_1413 (YdhD)   Bacillus amyloliquefaciens DSM 7 CBI42539.1 E1USF1  
 BAMF_0017 (YaaH)   Bacillus amyloliquefaciens DSM 7 CBI41143.1 E1UJ85  
 BUN12_0603   Bacillus amyloliquefaciens HK1 AZV88863.1    
 BUN12_3195   Bacillus amyloliquefaciens HK1 AZV91447.1    
 KSO_019325   Bacillus amyloliquefaciens IT-45 AGF29344.1    
 KSO_012830   Bacillus amyloliquefaciens IT-45 AGF28055.1    
 KHU1_3562   Bacillus amyloliquefaciens KHG19 AJK67503.1    
 KHU1_1133   Bacillus amyloliquefaciens KHG19 AJK65099.1    
 KHU1_1179   Bacillus amyloliquefaciens KHG19 AJK65143.1    
 SB45_06380   Bacillus amyloliquefaciens L-H15 AJH23636.1    
 SB45_00055   Bacillus amyloliquefaciens L-H15 AJH22462.1    
 XM40_00055   Bacillus amyloliquefaciens L-S60 AKD20725.1    
 XM40_06405   Bacillus amyloliquefaciens L-S60 AKD21857.1    
 U722_00125   Bacillus amyloliquefaciens LFB112 AHC40627.1    
 U722_06995   Bacillus amyloliquefaciens LFB112 AHC41855.1    
 LL3_01430 (YdhD)   Bacillus amyloliquefaciens LL3 AEB62971.1    
 LL3_00017 (YaaH)   Bacillus amyloliquefaciens LL3 AEB61572.1    
 BSF20_00325   Bacillus amyloliquefaciens LM2303 APH46955.1    
 BSF20_06725   Bacillus amyloliquefaciens LM2303 APH48101.1    
 AVM03_13870   Bacillus amyloliquefaciens MBE1283 ALV03403.1    
 AVM03_01165   Bacillus amyloliquefaciens MBE1283 ALV01041.1    
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