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 | ... | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | ... | 95 |
Bacteria
Protein Name EC#OrganismGenBank UniprotPDB/3D
 BG03_4713 (Chia1)   Bacillus cereus FM1 AJG94897.1    
 BG03_1505   Bacillus cereus FM1 AJG94342.1    
 BG03_1806   Bacillus cereus FM1 AJG95330.1    
 BG03_1619   Bacillus cereus FM1 AJG94786.1    
 FORC21_3278   Bacillus cereus FORC021 AQQ64073.1    
 FORC21_0374   Bacillus cereus FORC021 AQQ61169.1    
 FORC21_3451   Bacillus cereus FORC021 AQQ64246.1    
 FORC21_3586   Bacillus cereus FORC021 AQQ64381.1    
 FORC5_0362   Bacillus cereus FORC_005 AKE14899.1    
 FORC5_3402   Bacillus cereus FORC_005 AKE17939.1    
 FORC5_3209 (fragment)   Bacillus cereus FORC_005 AKE17746.1    
 FORC5_3208 (fragment)   Bacillus cereus FORC_005 AKE17745.1    
 FORC5_3513   Bacillus cereus FORC_005 AKE18050.1    
 FORC13_1553   Bacillus cereus FORC_013 ALZ60614.1    
 FORC13_1733   Bacillus cereus FORC_013 ALZ60794.1    
 FORC13_1436   Bacillus cereus FORC_013 ALZ60497.1    
 FORC13_4738   Bacillus cereus FORC_013 ALZ63799.1    
 FORC24_3241   Bacillus cereus FORC_024 AOM06531.1    
 FORC24_3529   Bacillus cereus FORC_024 AOM06819.1    
 FORC24_3408   Bacillus cereus FORC_024 AOM06698.1    
 FORC24_0357   Bacillus cereus FORC_024 AOM03647.1    
 FORC47_0358   Bacillus cereus FORC_047 ASL63203.1    
 FORC47_3648   Bacillus cereus FORC_047 ASL66493.1    
 FORC47_3295   Bacillus cereus FORC_047 ASL66140.1    
 FORC47_3507   Bacillus cereus FORC_047 ASL66352.1    
 FORC48_3735   Bacillus cereus FORC_048 ASI84815.1    
 FORC48_0381   Bacillus cereus FORC_048 ASI81478.1    
 FORC48_3328   Bacillus cereus FORC_048 ASI84410.1    
 FORC48_3539   Bacillus cereus FORC_048 ASI84619.1    
 BCK_16620   Bacillus cereus FRI-35 AFQ11222.1    
 BCK_05905   Bacillus cereus FRI-35 AFQ09088.1    
 BCK_17215   Bacillus cereus FRI-35 AFQ11341.1    
 BcrFT9_00419   Bacillus cereus FT9 AIE78004.1    
 BcrFT9_02864   Bacillus cereus FT9 AIE80403.1    
 AQ16_2089 (Chia1)   Bacillus cereus G9241 AJI05737.1    
 AQ16_4646   Bacillus cereus G9241 AJI02910.1    
 AQ16_4460   Bacillus cereus G9241 AJI06322.1    
 AQ16_4342   Bacillus cereus G9241 AJI04126.1    
 BCG9842_B1815   Bacillus cereus G9842 ACK93728.1 B7IQF9  
 BCG9842_B1478 (Chi36)   Bacillus cereus G9842 ACK94617.1 B7ISS0  
 BCG9842_B1600   Bacillus cereus G9842 ACK94834.1 B7IRQ4  
 BCG9842_B4874   Bacillus cereus G9842 ACK95161.1 B7IVT8  
 CJ306_20100   Bacillus cereus HBL-AI ASZ67462.1    
 CJ306_19490   Bacillus cereus HBL-AI ASZ67352.1    
 CJ306_18625   Bacillus cereus HBL-AI ASZ67194.1    
 CJ306_02350   Bacillus cereus HBL-AI ASZ64271.1    
 WR52_17260   Bacillus cereus HN001 ANC20428.1    
 WR52_02110   Bacillus cereus HN001 ANC17616.1    
 WR52_18085   Bacillus cereus HN001 ANC20586.1    
 WR52_18680   Bacillus cereus HN001 ANC20702.1    
 cortical lytic enzyme / N-acetylglucosaminidase (CFLE;SleL) 3.2.1.- Bacillus cereus IFO13579 BAA92376.1 Q9K3E4  
 BA204_02185   Bacillus cereus K8 ASJ46921.1    
 BA204_18095   Bacillus cereus K8 ASJ49887.1    
 BA204_17550   Bacillus cereus K8 ASJ49780.1    
 BA204_27720   Bacillus cereus K8 ASJ51835.1    
 BA204_16260   Bacillus cereus K8 ASJ49533.1    
 BA201_18440   Bacillus cereus M13 ASK15813.1    
 BA201_16855   Bacillus cereus M13 ASK15508.1    
 BA201_02145   Bacillus cereus M13 ASK12735.1    
 BA201_17765   Bacillus cereus M13 ASK15683.1    
 BA202_17955   Bacillus cereus M3 ASI79039.1    
 BA202_17385   Bacillus cereus M3 ASI78927.1    
 BA202_02300   Bacillus cereus M3 ASI76148.1    
 chitinase A (ChiA)   Bacillus cereus MSS1.1 AMN38439.1    
 BCN_3555   Bacillus cereus NC7401 BAL19348.1    
 BCN_0420   Bacillus cereus NC7401 BAL16213.1    
 BCN_3417   Bacillus cereus NC7401 BAL19210.1    
 BCN_3248 (fragment)   Bacillus cereus NC7401 BAL19041.1    
 chitinase (ChiNCTU2) 3.2.1.14 Bacillus cereus NCTU2 / 42 ACY39278.1 D0VV09 3N11[A]
3N12[A]
3N13[A]
3N15[A]
3N17[A]
3N18[A]
3N1A[A]
 ACN91_25735   Bacillus cereus NJ-W ALC54829.1    
 ACN91_10860   Bacillus cereus NJ-W ALC52076.1    
 ACN91_09360   Bacillus cereus NJ-W ALC51789.1    
 ACN91_09885   Bacillus cereus NJ-W ALC51889.1    
 BCQ_3230   Bacillus cereus Q1 ACM13658.1 B9IST7  
 BCQ_0472 (ChiA)   Bacillus cereus Q1 ACM10944.1 B9J2M5  
 BCQ_3401   Bacillus cereus Q1 ACM13829.1 B9IUB9  
 BCQ_3520 (ChiA)   Bacillus cereus Q1 ACM13948.1 B9IV24  
 BF33_749   Bacillus cereus S2-8 AJK32023.1    
 BF33_921   Bacillus cereus S2-8 AJK35150.1    
 BF33_3889   Bacillus cereus S2-8 AJK37276.1    
 BF33_636   Bacillus cereus S2-8 AJK34179.1    
 chitinase, partial (fragment)   Bacillus cereus S42_1 APM87880.1    
 chitinase, partial (fragment)   Bacillus cereus S42_2 APM87881.1    
 chitinase   Bacillus cereus SV1 ACO50698.1 C1KTR7  
 chitinase (ChiL) 3.2.1.14 Bacillus cf. pumilus SG2 ABF50676.1
ABI15083.1
Q1HFN7  
 bifunctional chitinase / lysozyme (ChiS) 3.2.1.14
3.2.1.17
Bacillus cf. pumilus SG2 ABI15082.1
ABC86581.1
Q2I0I7  
 chitinase (Chi1) 3.2.1.14 Bacillus circulans C-2 AAF74782.1 Q9KHB3  
 chitinase (Chi41) 3.2.1.14 Bacillus circulans NO. 4.1 AAF23368.1 Q9RG51  
 chitinase A1 (ChiA;ChiA1) 3.2.1.14 Bacillus circulans WL-12 AAA81528.1 P20533 1ITX[A]
 chitinase C1 (ChiC) 3.2.1.14 Bacillus circulans WL-12 BAA13974.1 P94289  
 chitinase D (ChiD) 3.2.1.14 Bacillus circulans WL-12 BAA34114.1 P27050  
 BC8716_12275   Bacillus clausii DSM 8716 AST96681.1    
 BC8716_03120   Bacillus clausii DSM 8716 AST95022.1    
 DB29_03181   Bacillus clausii ENTPro ALA54009.1    
 DB29_01382   Bacillus clausii ENTPro ALA52210.1    
 ABC0646   Bacillus clausii KSM-K16 BAD63185.1 Q5WKC0  
 ABC3113   Bacillus clausii KSM-K16 BAD65647.1 Q5WDB3  
 BCO26_0077   Bacillus coagulans 2-6 AEH52136.1    
 Bcoa_1208   Bacillus coagulans 36D1 AEP00420.1    
 Bcoa_2890   Bacillus coagulans 36D1 AEP02066.1    
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