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 (17417); Uniprot accession (3282); PDB accession (328); 3D entries (87); cryst (3)
All (15861) Archaea (62) Bacteria (11876) Eukaryota (3363) Viruses (323) unclassified (237) Structure (87 - 3 cryst) Characterized (482)
| 1 | ... | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | ... | 119 |
Bacteria
Protein Name EC#OrganismGenBank UniprotPDB/3D
 DJ46_2210 (fragment)   Bacillus anthracis str. Vollum AIK62776.1    
 DJ46_2382   Bacillus anthracis str. Vollum AIK64422.1    
 DJ46_2211 (fragment)   Bacillus anthracis str. Vollum AIK66065.1    
 A8C77_18710 (Chi36)   Bacillus anthracis Tangail-1 ANH87820.1   5KZ6[A,B]
 A8C77_17820   Bacillus anthracis Tangail-1 ANH87650.1    
 A8C77_02140   Bacillus anthracis Tangail-1 ANH84794.1    
 BVB96_19510   Bacillus anthracis Tyrol 4675 APT27177.1    
 BVB96_18575   Bacillus anthracis Tyrol 4675 APT27008.1    
 BVB96_17675 (fragment)   Bacillus anthracis Tyrol 4675 APT26842.1    
 BVB96_17680 (fragment)   Bacillus anthracis Tyrol 4675 APT26843.1    
 BF39_4740 (Chia1)   Bacillus anthracis Vollum 1B AJG84888.1    
 BF39_2130 (fragment)   Bacillus anthracis Vollum 1B AJG83898.1    
 BF39_2129 (fragment)   Bacillus anthracis Vollum 1B AJG82319.1    
 BF39_2479   Bacillus anthracis Vollum 1B AJG81877.1    
 BF39_2301   Bacillus anthracis Vollum 1B AJG80034.1    
 BATR1942_14995   Bacillus atrophaeus 1942 ADP33921.1 E3DVX7  
 BATR1942_00375   Bacillus atrophaeus 1942 ADP31035.1 E3E0H8  
 BATR1942_06725   Bacillus atrophaeus 1942 ADP32297.1 E3E281  
 BATR1942_11640   Bacillus atrophaeus 1942 ADP33259.1 E3E029  
 BATR1942_11645   Bacillus atrophaeus 1942 ADP33260.1 E3E030  
 BATR1942_18690   Bacillus atrophaeus 1942 ADP34655.1 E3E384  
 RA13_08865   Bacillus atrophaeus BA59 ATO30407.1    
 RA13_08860   Bacillus atrophaeus BA59 ATO28119.1    
 RA13_01665   Bacillus atrophaeus BA59 ATO26890.1    
 RA13_20590   Bacillus atrophaeus BA59 ATO30105.1    
 chitinase (ChiA)   Bacillus atrophaeus CAB-1 AFC36321.1    
 BaGK_14425   Bacillus atrophaeus GQJK17 ASS73449.1    
 BaGK_00110   Bacillus atrophaeus GQJK17 ASS69521.1    
 BaGK_17900   Bacillus atrophaeus GQJK17 ASS72680.1    
 BaGK_03205   Bacillus atrophaeus GQJK17 ASS70043.1    
 BaGK_14430   Bacillus atrophaeus GQJK17 ASS72068.1    
 TD68_17575   Bacillus atrophaeus NRS 1221A AJF87146.1    
 TD68_20485   Bacillus atrophaeus NRS 1221A AJF87660.1    
 TD68_10685   Bacillus atrophaeus NRS 1221A AJF87759.1    
 TD68_06165   Bacillus atrophaeus NRS 1221A AJF85051.1    
 TD68_10690   Bacillus atrophaeus NRS 1221A AJF85884.1    
 TD68_14005   Bacillus atrophaeus NRS 1221A AJF86479.1    
 S101359_03387   Bacillus atrophaeus SRCM101359 ARW08366.1    
 S101359_02702   Bacillus atrophaeus SRCM101359 ARW07707.1    
 S101359_00596   Bacillus atrophaeus SRCM101359 ARW05631.1    
 S101359_02701   Bacillus atrophaeus SRCM101359 ARW07706.1    
 S101359_00022   Bacillus atrophaeus SRCM101359 ARW05096.1    
 DJ95_2212 (Chia1)   Bacillus atrophaeus subsp. globigii BSS AIK48277.1    
 DJ95_1252   Bacillus atrophaeus subsp. globigii BSS AIK46946.1    
 DJ95_4210   Bacillus atrophaeus subsp. globigii BSS AIK48099.1    
 DJ95_2894   Bacillus atrophaeus subsp. globigii BSS AIK48350.1    
 DJ95_2211   Bacillus atrophaeus subsp. globigii BSS AIK49513.1    
 DJ95_3615   Bacillus atrophaeus subsp. globigii BSS AIK48676.1    
 D068_cds18980 (YaaH)   Bacillus atrophaeus UCMB-5137 AKL87130.1    
 D068_cds27590   Bacillus atrophaeus UCMB-5137 AKL85953.1    
 D068_cds18860 (YkvQ)   Bacillus atrophaeus UCMB-5137 AKL84583.1    
 D068_cds27570   Bacillus atrophaeus UCMB-5137 AKL85955.1    
 D068_cds36030 (YvbX)   Bacillus atrophaeus UCMB-5137 AKL86405.1    
 D068_cds04400 (YdhD)   Bacillus atrophaeus UCMB-5137 AKL83208.1    
 CY96_17020   Bacillus bombysepticus str. Wang AHX19625.1    
 CY96_01300   Bacillus bombysepticus str. Wang AHX16727.1    
 CY96_17640   Bacillus bombysepticus str. Wang AHX19738.1    
 CY96_16110   Bacillus bombysepticus str. Wang AHX19451.1    
 DTO10_09175   Bacillus butanolivorans PHB-7a AXN38565.1    
 DTO10_26655   Bacillus butanolivorans PHB-7a AXN41957.1    
 DTO10_22870   Bacillus butanolivorans PHB-7a AXN41906.1    
 DTO10_00870   Bacillus butanolivorans PHB-7a AXN37081.1    
 CWI35_10455   [Bacillus] caldolyticus reborg#228 AUI36860.1    
 CWI35_00035   [Bacillus] caldolyticus reborg#228 AUI35112.1    
 CWI35_16305   [Bacillus] caldolyticus reborg#228 AUI37883.1    
 Bcell_0481   Bacillus cellulosilyticus DSM 2522 ADU28763.1    
 Bcell_2149   Bacillus cellulosilyticus DSM 2522 ADU30410.1 D2LZJ3  
 Bcell_4208   Bacillus cellulosilyticus DSM 2522 ADU32435.1 D2LY52  
 BCA_3815 (Chi36)   Bacillus cereus 03BB102 ACO30903.1
AJG52628.1
C1ENF8  
 BCA_3700   Bacillus cereus 03BB102 ACO27500.1
AJG51869.1
C1EN47  
 BCA_0465   Bacillus cereus 03BB102 ACO27497.1
AJG55696.1
C1EVF5  
 BCA_3502   Bacillus cereus 03BB102 ACO28598.1
AJG52424.1
C1ELS6  
 AK40_2197   Bacillus cereus 03BB108 AJI11724.1    
 AK40_4582 (Chia1)   Bacillus cereus 03BB108 AJI13961.1    
 AK40_2311   Bacillus cereus 03BB108 AJI13082.1    
 AK40_2023   Bacillus cereus 03BB108 AJI13098.1    
 NT98_1938   Bacillus cereus 03BB87 AIY74009.1    
 NT98_2241   Bacillus cereus 03BB87 AIY75486.1    
 NT98_2054   Bacillus cereus 03BB87 AIY77987.1    
 NT98_5143 (Chia1)   Bacillus cereus 03BB87 AIY78223.1    
 B5E38_0615   Bacillus cereus 25 ARO58227.1    
 B5E38_0745   Bacillus cereus 25 ARO58348.1    
 B5E38_0413   Bacillus cereus 25 ARO58038.1    
 B5E38_4876   Bacillus cereus 25 ARO62299.1    
 chitinase CW (ChiCW) 3.2.1.14 Bacillus cereus 28-9 AAM48520.2 Q8KVU8  
 chitinase CH (ChiCH) 3.2.1.14 Bacillus cereus 28-9 AAP47142.1 Q7X4L4  
 B5E39_2480   Bacillus cereus 29 ARO64866.1    
 B5E39_4932   Bacillus cereus 29 ARO67110.1    
 B5E39_4213   Bacillus cereus 29 ARO66450.1    
 B5E39_4341   Bacillus cereus 29 ARO66569.1    
 BG11_3302   Bacillus cereus 3a AJH63068.1    
 BG11_333   Bacillus cereus 3a AJH61110.1    
 BG11_48   Bacillus cereus 3a AJH62048.1    
 BG11_161   Bacillus cereus 3a AJH64621.1    
 chitinase B   Bacillus cereus 49 ADD71157.1 D4P2Z4  
 chitinase A   Bacillus cereus 53 ACY39280.1 D0VV11  
 chitinase B   Bacillus cereus 53 ADD91322.1 D4P4Z1  
 chitinase A   Bacillus cereus 79 ACY39279.1 D0VV10  
 DA68_12785   Bacillus cereus A1 ANE86486.1    
 DA68_14150   Bacillus cereus A1 ANE86749.1    
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