Glycoside Hydrolase Family 20

Activities in Familyβ-hexosaminidase (EC; lacto-N-biosidase (EC; β-1,6-N-acetylglucosaminidase) (EC 3.2.1.-); β-6-SO3-N-acetylglucosaminidase (EC 3.2.1.-)
Mechanism Retaining
3D Structure Status( β / α ) 8
Catalytic Nucleophile/Basecarbonyl oxygen of C-2 acetamido group of substrate
Catalytic Proton DonorGlu
External resourcesCAZypedia; HOMSTRAD; PRINTS; Tay-Sachs Disease;
Commercial Enzyme Provider(s)MEGAZYME;
Statistics GenBank accession (4551); Uniprot accession (779); PDB accession (79); 3D entries (18); cryst (1)
All (4268) Archaea (4) Bacteria (3943) Eukaryota (310) Viruses (1) unclassified (10) Structure (18 - 1 cryst) Characterized (124)
| 1 | ... | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | ... | 40 |
Protein Name EC#OrganismGenBank UniprotPDB/3D
 BRPE67_ACDS12680   Burkholderia sp. RPE67 BAO86323.1    
 BYI23_A012280   Burkholderia sp. YI23 AET89066.1    
 BBJ41_14660   Burkholderia stabilis ATCC BAA-67 AOR68662.1    
 BSFP_016620   Burkholderia stabilis FERMP-21014 BAX58843.1    
 BG87_92   Burkholderia thailandensis 2002721643 AJX98596.1    
 BTQ_472 (ChB)   Burkholderia thailandensis 2002721723 AHI72757.1    
 DR62_1645 (ChB)   Burkholderia thailandensis 2003015869 AIP63918.1    
 BTM_1327   Burkholderia thailandensis 34 AJY27963.1    
 BTN_1463 (ChB)   Burkholderia thailandensis E254 AIT22095.1    
 DR63_2230 (ChB)   Burkholderia thailandensis E264 AIP26316.1    
 BTH_I0451   Burkholderia thailandensis E264 E264; ATCC 700388 ABC36947.1 Q2T1E0  
 BTJ_2014 (ChB)   Burkholderia thailandensis E444 AHI78615.1    
 BTL_3274 (ChB)   Burkholderia thailandensis H0587 AHI65014.1    
 BTI_3249 (ChB)   Burkholderia thailandensis MSMB121 AGK49324.1    
 BTHA_3532 (ChB)   Burkholderia thailandensis MSMB59 AIS95326.1    
 BTRA_129 (ChB)   Burkholderia thailandensis USAMRU Malaysia #20 AIC85643.1    
 BW23_2064 (ChB)   Burkholderia ubonensis MSMB22 AJX15320.1    
 Bcep1808_2924   Burkholderia vietnamiensis G4 ABO55915.1 A4JI12  
 AK36_1078   Burkholderia vietnamiensis LMG 10929 AJY05126.1    
 TTE1930 (Chb)   Caldanaerobacter subterraneus subsp. tengcongensis MB4 AAM25109.1
 Calhy_0087   Caldicellulosiruptor hydrothermalis 108 ADQ05849.1 E4Q9X4  
 Calkro_0104   Caldicellulosiruptor kronotskyensis 2002 ADQ45020.1 E4SCG5  
 Calow_0048   Caldicellulosiruptor owensensis OL ADQ03665.1 E4Q1W6  
 Csac_2539   Caldicellulosiruptor saccharolyticus DSM 8903 ABP68112.1 A4XMH7  
 CLDAP_29330   Caldilinea aerophila DSM 14535 = NBRC 104270 BAM00973.1    
 CLDAP_07510   Caldilinea aerophila DSM 14535 = NBRC 104270 BAL98790.1    
 Cabys_2338   Caldithrix abyssi DSM 13497 LF13 APF19087.1    
 Acid345_3493   Candidatus Koribacter versatilis Ellin345 ABF42494.1 Q1IKV6  
 Acid345_2735   Candidatus Koribacter versatilis Ellin345 ABF41736.1 Q1IN14  
 A1sIA56_06515   Candidatus Planktophila sulfonica ASY16521.1    
 Acid_3086   Candidatus Solibacter usitatus Ellin6076 ABJ84065.1 Q022N5  
 Acid_6569   Candidatus Solibacter usitatus Ellin6076 ABJ87491.1 Q01S79  
 GS41_08060   Candidatus Thioglobus singularis ANQ67161.1    
 W908_08175   Candidatus Thioglobus singularis PS1 ALE02499.1    
 CGC47_04190   Capnocytophaga canimorsus 7120 ATA76838.1    
 CGC47_08850   Capnocytophaga canimorsus 7120 ATA77675.1    
 CGC47_05565   Capnocytophaga canimorsus 7120 ATA77087.1    
 CGC47_08935   Capnocytophaga canimorsus 7120 ATA77689.1    
 Ccan_03860   Capnocytophaga canimorsus Cc5 AEK22508.1    
 Ccan_04040   Capnocytophaga canimorsus Cc5 AEK22526.1    
 Ccan_16820   Capnocytophaga canimorsus Cc5 AEK23798.1    
 Ccan_20090   Capnocytophaga canimorsus Cc5 AEK24125.1    
 CGC54_05580   Capnocytophaga canimorsus H3936 ATA93842.1    
 CGC54_08835   Capnocytophaga canimorsus H3936 ATA94431.1    
 CGC54_08915   Capnocytophaga canimorsus H3936 ATA94443.1    
 CGC54_03980   Capnocytophaga canimorsus H3936 ATA93553.1    
 CGC56_09160   Capnocytophaga canimorsus H5594 ATA92309.1    
 CGC56_05490   Capnocytophaga canimorsus H5594 ATA91673.1    
 CGC56_09240   Capnocytophaga canimorsus H5594 ATA92323.1    
 CGC56_03955   Capnocytophaga canimorsus H5594 ATA91394.1    
 CGC48_04825   Capnocytophaga cynodegmi G7591 ATA68014.1    
 CGC48_04415 (fragment)   Capnocytophaga cynodegmi G7591 ATA69275.1    
 CGC48_05060   Capnocytophaga cynodegmi G7591 ATA68057.1    
 CGC48_03120   Capnocytophaga cynodegmi G7591 ATA67711.1    
 CGC48_00055   Capnocytophaga cynodegmi G7591 ATA67151.1    
 CGC48_04115   Capnocytophaga cynodegmi G7591 ATA69269.1    
 AXF12_08490   Capnocytophaga haemolytica CCUG 32990 AMD85548.1    
 AXF12_10535   Capnocytophaga haemolytica CCUG 32990 AMD85909.1    
 AXF12_02155   Capnocytophaga haemolytica CCUG 32990 AMD84442.1    
 SAMEA44541418_02467   Capnocytophaga haemolytica NCTC12947 SNV17162.1    
 SAMEA44541418_02049   Capnocytophaga haemolytica NCTC12947 SNV15326.1    
 SAMEA44541418_01319   Capnocytophaga haemolytica NCTC12947 SNV10523.1    
 CGC53_08985   Capnocytophaga leadbetteri H6253 ATA82469.1    
 CGC53_07235   Capnocytophaga leadbetteri H6253 ATA82152.1    
 CGC53_07015   Capnocytophaga leadbetteri H6253 ATA82112.1    
 CGC53_00850   Capnocytophaga leadbetteri H6253 ATA81005.1    
 Coch_1424   Capnocytophaga ochracea DSM 7271 ACU92970.1 C7M6A4  
 Coch_0201   Capnocytophaga ochracea DSM 7271 ACU91764.1 C7M564  
 Coch_0063   Capnocytophaga ochracea DSM 7271 ACU91628.1 C7M4J8  
 Coch_1198   Capnocytophaga ochracea DSM 7271 ACU92748.1 C7M4V8  
 Coch_1350   Capnocytophaga ochracea DSM 7271 ACU92896.1 C7M5T7  
 CBG49_12235   Capnocytophaga sp. ChDC OS43 ASF43782.1    
 CBG49_10295   Capnocytophaga sp. ChDC OS43 ASF43425.1    
 CBG49_07235   Capnocytophaga sp. ChDC OS43 ASF42884.1    
 CBG49_00525   Capnocytophaga sp. ChDC OS43 ASF41686.1    
 CGC52_03390   Capnocytophaga sp. H2931 ATA74565.1    
 CGC52_08805   Capnocytophaga sp. H2931 ATA75504.1    
 CGC52_05595   Capnocytophaga sp. H2931 ATA74937.1    
 CGC52_04120   Capnocytophaga sp. H2931 ATA74692.1    
 CGC52_05115   Capnocytophaga sp. H2931 ATA74862.1    
 CGC49_04295   Capnocytophaga sp. H4358 ATA72586.1    
 CGC49_05355   Capnocytophaga sp. H4358 ATA72766.1    
 CGC49_03545   Capnocytophaga sp. H4358 ATA72456.1    
 CGC49_08760   Capnocytophaga sp. H4358 ATA73358.1    
 CGC49_05840   Capnocytophaga sp. H4358 ATA72843.1    
 CGC49_07295   Capnocytophaga sp. H4358 ATA73902.1    
 AM608_09115   Capnocytophaga sp. oral taxon 323 str. F0383 ALC97784.1    
 AM608_03905   Capnocytophaga sp. oral taxon 323 str. F0383 ALC96848.1    
 AM608_10385   Capnocytophaga sp. oral taxon 323 str. F0383 ALC98011.1    
 AM608_04540   Capnocytophaga sp. oral taxon 323 str. F0383 ALC96958.1    
 CGC57_11100   Capnocytophaga sputigena D1176 ATA71416.1    
 CGC57_11815   Capnocytophaga sputigena D1176 ATA71548.1    
 CGC57_01865   Capnocytophaga sputigena D1176 ATA69722.1    
 CGC57_04480   Capnocytophaga sputigena D1176 ATA70211.1    
 CGC57_05345   Capnocytophaga sputigena D1176 ATA70366.1    
 CGC59_12390   Capnocytophaga sputigena H4486 ATA80423.1    
 CGC59_02580   Capnocytophaga sputigena H4486 ATA78627.1    
 CGC59_05315   Capnocytophaga sputigena H4486 ATA79140.1    
 CGC59_13115   Capnocytophaga sputigena H4486 ATA80556.1    
 CGC59_06175   Capnocytophaga sputigena H4486 ATA79292.1    

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