Glycoside Hydrolase Family 18

Activities in Familychitinase (EC; lysozyme (EC; endo-β-N-acetylglucosaminidase (EC; 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
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 (20018); Uniprot accession (3282); PDB accession (348); 3D entries (90); cryst (3)
All (18442) Archaea (78) Bacteria (14189) Eukaryota (3583) Viruses (355) unclassified (237) Structure (90 - 3 cryst) Characterized (490)
| 1 | ... | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | ... | 142 |
Protein Name EC#OrganismGenBank UniprotPDB/3D
 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    
 CU254_06190   Amycolatopsis sp. AA4 ATY16198.1    
 CU254_34150   Amycolatopsis sp. AA4 ATY14888.1    
 CU254_22370   Amycolatopsis sp. AA4 ATY12887.1    
 CU254_12055   Amycolatopsis sp. AA4 ATY11118.1    
 CU254_10150   Amycolatopsis sp. AA4 ATY10792.1    
 CU254_19630   Amycolatopsis sp. AA4 ATY12416.1    
 CU254_03645   Amycolatopsis sp. AA4 ATY16138.1    
 CU254_06525   Amycolatopsis sp. AA4 ATY10151.1    
 CU254_28620   Amycolatopsis sp. AA4 ATY13950.1    
 CU254_13025   Amycolatopsis sp. AA4 ATY16331.1    
 BKN51_10780   Amycolatopsis sp. BJA-103 AUI58643.1    
 BKN51_25535   Amycolatopsis sp. BJA-103 AUI61209.1    
 BKN51_04750   Amycolatopsis sp. BJA-103 AUI57599.1    
 BKN51_25525   Amycolatopsis sp. BJA-103 AUI61207.1    
 BKN51_07015   Amycolatopsis sp. BJA-103 AUI57998.1    
 BKN51_25530   Amycolatopsis sp. BJA-103 AUI61208.1    
 BKN51_06105   Amycolatopsis sp. BJA-103 AUI57843.1    
 BKN51_39225   Amycolatopsis sp. BJA-103 AUI63600.1    
 BKN51_00435   Amycolatopsis sp. BJA-103 AUI56829.1    
 AR1Y2_2212   Anaerostipes rhamnosivorans 1y2 QCP35666.1    
 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    
 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    
 E5206_18715   Arthrobacter sp. PAMC25564 QCB99117.1    
 E5206_17150   Arthrobacter sp. PAMC25564 QCB99087.1    
 CFN17_10925   Arthrobacter sp. PM3 AXJ10079.1    
 ARUE_c33560   Arthrobacter sp. Rue61a AFR30237.1    

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