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 (14935); Uniprot accession (3282); PDB accession (301); 3D entries (77); cryst (4)
All (13391) Archaea (61) Bacteria (9754) Eukaryota (3083) Viruses (256) unclassified (237) Structure (77 - 4 cryst) Characterized (477)
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | ... | 98 |
Bacteria
Protein Name EC#OrganismGenBank UniprotPDB/3D
 B737_1031   Amycolatopsis mediterranei RB AGT81695.1    
 B737_1543   Amycolatopsis mediterranei RB AGT82207.1    
 B737_6962   Amycolatopsis mediterranei RB AGT87625.1    
 B737_7469   Amycolatopsis mediterranei RB AGT88130.1    
 B737_8252   Amycolatopsis mediterranei RB AGT88913.1    
 B737_0274   Amycolatopsis mediterranei RB AGT80938.1    
 B737_0273   Amycolatopsis mediterranei RB AGT80937.1    
 B737_2867   Amycolatopsis mediterranei RB AGT83531.1    
 B737_4799   Amycolatopsis mediterranei RB AGT85463.1    
 B737_5497 (AtL)   Amycolatopsis mediterranei RB AGT86161.1    
 B737_2441   Amycolatopsis mediterranei RB AGT83105.1    
 RAM_14715   Amycolatopsis mediterranei S699 AEK41431.1
AFO76402.1
   
 RAM_01405   Amycolatopsis mediterranei S699 AEK38776.1
AFO73809.1
   
 RAM_36275   Amycolatopsis mediterranei S699 AEK45728.1
AFO80497.1
   
 RAM_43030   Amycolatopsis mediterranei S699 AEK47073.1
AFO81784.1
   
 RAM_05265   Amycolatopsis mediterranei S699 AEK39545.1
AFO74566.1
   
 RAM_12545   Amycolatopsis mediterranei S699 AEK40999.1
AFO75976.1
   
 RAM_01400   Amycolatopsis mediterranei S699 AEK38775.1
AFO73808.1
   
 RAM_28380   Amycolatopsis mediterranei S699 AEK44153.1
AFO79033.1
   
 RAM_24730   Amycolatopsis mediterranei S699 AEK43424.1
AFO78335.1
   
 RAM_25705   Amycolatopsis mediterranei S699 AEK43619.1
AFO78525.1
   
 RAM_07880   Amycolatopsis mediterranei S699 AEK40066.1
AFO75078.1
   
 RAM_08220   Amycolatopsis mediterranei S699 AEK40134.1
AFO75144.1
   
 AMES_7407   Amycolatopsis mediterranei S699 AEK46195.1
AFO80940.1
   
 AMES_7469   Amycolatopsis mediterranei S699 AFO81002.1
AEK46257.1
   
 AMED_0277   Amycolatopsis mediterranei U32 ADJ42100.1 D8HVY3  
 AMED_0278   Amycolatopsis mediterranei U32 ADJ42101.1 D8HVY4  
 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    
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