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 | ... | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | ... | 98 |
Bacteria
Protein Name EC#OrganismGenBank UniprotPDB/3D
 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    
 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    
 DA68_25510   Bacillus cereus A1 ANE88841.1    
 DA68_27065   Bacillus cereus A1 ANE89344.1    
 DA68_14690   Bacillus cereus A1 ANE86854.1    
 BCAH187_A3775   Bacillus cereus AH187 ACJ78831.1 B7HKT0  
 BCAH187_A3458 (probable fragment)   Bacillus cereus AH187 ACJ79657.1 B7HZ11  
 BCAH187_A3633 (fragment) (frameshift)   Bacillus cereus AH187 ACJ79830.1 B7I055  
 BCAH187_A0498   Bacillus cereus AH187 ACJ81338.1 B7HT80  
 BCAH820_3618   Bacillus cereus AH820 ACK91613.1 B7JI36  
 BCAH820_3443   Bacillus cereus AH820 ACK90848.1 B7JGA5  
 BCAH820_0428   Bacillus cereus AH820 ACK90685.1 B7JN80  
 BCAH820_3736 (fragment)   Bacillus cereus AH820 ACK91888.1 B7JJ02  
 BCAH820_3735 (Chi36) (fragment)   Bacillus cereus AH820 ACK92499.1 B7JJ01  
 cortex-lytic enzyme SleL   Bacillus cereus ATCC 10876 KFL63465.1   4S3J[A]
 BCE0497   Bacillus cereus ATCC 10987 AAS39432.1
NP_976824.1
Q73E63  
 BCE3753 (Chi36)   Bacillus cereus ATCC 10987 AAS42658.1
NP_980050.1
Q733A7  
 BCE3627   Bacillus cereus ATCC 10987 AAS42532.1
NP_979924.1
Q733N1  
 exochitinase (BC3725) 3.2.1.14 Bacillus cereus ATCC 14579 AAP10651.1
NP_833450.1
Q81A65  
 BC3607   Bacillus cereus ATCC 14579 AAP10540.1
NP_833339.1
Q81AG3  
 endochitinase (BC0429)   Bacillus cereus ATCC 14579 AAP07469.1
NP_830268.1
Q81IF9  
 BF35_4756   Bacillus cereus ATCC 4342 AJH74551.1    
 BF35_4454   Bacillus cereus ATCC 4342 AJH75086.1    
 BF35_4570   Bacillus cereus ATCC 4342 AJH74593.1    
 BF35_2245 (Chia1)   Bacillus cereus ATCC 4342 AJH72875.1    
 chitinase B   Bacillus cereus B25 ALA99165.1    
 chitinase A   Bacillus cereus B25 ALA99164.1    
 BCB4264_A3824 (Chi36)   Bacillus cereus B4264 ACK59852.1 B7HCJ4  
 BCB4264_A0450   Bacillus cereus B4264 ACK63242.1 B7H7I4  
 BCB4264_A3431   Bacillus cereus B4264 ACK58969.1 B7H6G1  
 BCB4264_A3715   Bacillus cereus B4264 ACK62992.1 B7HAX9  
 chitinase   Bacillus cereus BC-10 AIU96331.1    
 chitinase, partial (fragment)   Bacillus cereus BC-18 AIU96335.1    
 B2J90_18725   Bacillus cereus BC-AK ARO19383.1    
 B2J90_02250   Bacillus cereus BC-AK ARO16417.1    
 B2J90_18110   Bacillus cereus BC-AK ARO19269.1    
 CPZ31_18115   Bacillus cereus BHU1 ATI60789.1    
 CPZ31_02045   Bacillus cereus BHU1 ATI57850.1    
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