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 | ... | 95 |
Bacteria
Protein Name EC#OrganismGenBank UniprotPDB/3D
 AMED_1035   Amycolatopsis mediterranei U32 ADJ42853.1 D8I3U8  
 AMED_1552   Amycolatopsis mediterranei U32 ADJ43365.1 D8HM95  
 AMED_1619   Amycolatopsis mediterranei U32 ADJ43431.1 D8HMG1  
 AMED_2467   Amycolatopsis mediterranei U32 ADJ44263.1 D8HWB5  
 AMED_2895   Amycolatopsis mediterranei U32 ADJ44689.1 D8I102  
 AMED_4858   Amycolatopsis mediterranei U32 ADJ46624.1 D8HYD6  
 AMED_5565 (AtL)   Amycolatopsis mediterranei U32 ADJ47322.1 D8I654  
 AMED_7070   Amycolatopsis mediterranei U32 ADJ48788.1 D8I509  
 AMED_7519   Amycolatopsis mediterranei U32 ADJ49232.1 D8HP18  
 AMED_7581   Amycolatopsis mediterranei U32 ADJ49294.1 D8HP80  
 AMED_8380   Amycolatopsis mediterranei U32 ADJ50076.1 D8HIZ9  
 AMED_5049   Amycolatopsis mediterranei U32 ADJ46814.1 D8I029  
 chitinase (ChiA) (fragment)   Amycolatopsis methanolica AAB01684.1 Q44094  
 AMETH_4896   Amycolatopsis methanolica 239 AIJ24988.1    
 AMETH_6727 (ChiA)   Amycolatopsis methanolica 239 AIJ26819.1    
 SD37_15385   Amycolatopsis orientalis B-37 ANN16893.1    
 SD37_08300   Amycolatopsis orientalis B-37 ANN15659.1    
 SD37_08305   Amycolatopsis orientalis B-37 ANN15660.1    
 SD37_14520   Amycolatopsis orientalis B-37 ANN16752.1    
 SD37_36075   Amycolatopsis orientalis B-37 ANN20474.1    
 SD37_32935   Amycolatopsis orientalis B-37 ANN19946.1    
 SD37_18800   Amycolatopsis orientalis B-37 ANN17490.1    
 SD37_13205   Amycolatopsis orientalis B-37 ANN16516.1    
 SD37_08310   Amycolatopsis orientalis B-37 ANN15661.1    
 AORI_2872   Amycolatopsis orientalis HCCB10007 AGM05458.1    
 AORI_1024   Amycolatopsis orientalis HCCB10007 AGM03613.1    
 AORI_1637   Amycolatopsis orientalis HCCB10007 AGM04225.1    
 AORI_2429   Amycolatopsis orientalis HCCB10007 AGM05017.1    
 AORI_2695   Amycolatopsis orientalis HCCB10007 AGM05282.1    
 AORI_3300   Amycolatopsis orientalis HCCB10007 AGM05885.1    
 AORI_3663   Amycolatopsis orientalis HCCB10007 AGM06248.1    
 AORI_6419   Amycolatopsis orientalis HCCB10007 AGM09002.1    
 AORI_6420   Amycolatopsis orientalis HCCB10007 AGM09003.1    
 AORI_6421   Amycolatopsis orientalis HCCB10007 AGM09004.1    
 chitinase   Amycolatopsis orientalis M9-2 AJT58396.1    
 chitinase   Amycolatopsis orientalis Y9-2 AJT58395.1    
 CPRO_04140 (YaaH)   Anaerotignum propionicum DSM 1682 X2 AMJ40023.1    
 CB4_02120 (Yaah_2) (fragment)   Aneurinibacillus soli CB4 BAU27946.1    
 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    
 SAMN00777080_2663   Aquiflexum balticum DSM 16537 SMD44048.1    
 SAMN00777080_2641   Aquiflexum balticum DSM 16537 SMD44026.1    
 SAMN00777080_4319   Aquiflexum balticum DSM 16537 SMD45659.1    
 A9P82_06440   Arachidicoccus sp. BS20 ANI88963.1    
 AA314_02457   Archangium gephyra DSM 2261 AKJ00831.1    
 ADJ73_09510   Arsenicicoccus sp. oral taxon 190 F0371 AKT51493.1    
 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    
 UM93_11000   Arthrobacter sp. IHBB 11108 AJT41910.1    
 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  
 AUMI_14430   Aurantimicrobium minutum KNC BAU98985.1    
 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    
 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    
 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  
 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    
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