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 (5212); Uniprot accession (778); PDB accession (82); 3D entries (18); cryst (0)
All (4927) Archaea (4) Bacteria (4581) Eukaryota (330) Viruses (2) unclassified (10) Structure (18) Characterized (124)
| 1 | ... | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | ... | 46 |
Protein Name EC#OrganismGenBank UniprotPDB/3D
 DBV13_09280   Trueperella pyogenes Arash114 AWA44166.1    
 DDE06_04000   Trueperella pyogenes TP-2849 AWG16058.1    
 DDE06_02810   Trueperella pyogenes TP-2849 AWG15845.1    
 DC090_00900   Trueperella pyogenes TP4479 AWG03116.1    
 DC090_02075   Trueperella pyogenes TP4479 AWG03327.1    
 CQ11_09335   Trueperella pyogenes TP6375 AHU90118.1    
 CQ11_10535   Trueperella pyogenes TP6375 AHU90310.1    
 X956_07735   Trueperella pyogenes TP8 AJC69925.1    
 X956_08865   Trueperella pyogenes TP8 AJC70693.1    
 β-N-acetylhexosaminidase (Hex1;SoMe-cHEX1) uncultured Actinomycetales bacterium AKC34128.1    
 chitobiase/β-hexosaminidase C-terminal domain protein, partial (fragment)   uncultured bacterium AMP49899.1    
 chitobiase/β-hexosaminidase C-terminal domain protein, partial (fragment)   uncultured bacterium AMP49861.1    
 β-N-acetylglucosaminidase, glycoside hydrolase family GH20   uncultured bacterium AOE12700.1    
 β-N-acetylhexosaminidase, glycoside hydrolase family GH20 (fragment)   uncultured bacterium AOE07477.1    
 Glycosyl hydrolase family 20, catalytic domain, partial (fragment)   uncultured bacterium APO34437.1    
 Glycosyl hydrolase family 20, domain 2 (fragment)   uncultured bacterium APO32128.1    
 Betα-hexosaminidase   uncultured bacterium SIP56449.1    
 Betα-hexosaminidase (EC   uncultured bacterium SIP63217.1    
 β-hexosaminidase   uncultured bacterium AUN36240.1    
 β-N-acetylhexosaminidase (fragment)   uncultured bacterium ABE96866.1 A1XNE3  
 ORF   uncultured bacterium CDL66413.1    
 AS-Esc15-ORF1   uncultured bacterium AIF34057.1    
 ORF (fragment)   uncultured bacterium contig00010(2014) AIA99578.1    
 ORF   uncultured bacterium Contig99 AHF24445.1    
 12_orf6   uncultured bacterium FLS12 ACS15389.1 C5HLB1  
 ORF   uncultured bacterium fosmid pJB92C9 AIF26782.1    
 ORF   uncultured bacterium H2_7 AEW47974.1    
 β-N-acetylhexosaminidase (Hex2;SoMe-cHEX2) (fragment) uncultured Bacteroidetes bacterium AKC34129.1    
 SPPYR_0963 (NaG)   uncultured Sphingopyxis sp. SBV32083.1    
 CMV30_07185   Verrucomicrobia bacterium HZ-65 ATC63751.1    
 IMCC26134_11990   Verrucomicrobia bacterium IMCC26134 AKC83319.1    
 VAB18032_28171   Verrucosispora maris AB-18-032 AEB46705.1    
 K04M3_07500 (ChB)   Vibrio alginolyticus ARP07477.1    
 K04M3_25940   Vibrio alginolyticus ARP09280.1    
 K04M3_36800   Vibrio alginolyticus ARP10275.1    
 AT730_14775   Vibrio alginolyticus ATCC 33787 ALR93523.1    
 AT730_08015   Vibrio alginolyticus ATCC 33787 ALR92348.1    
 AL539_24590   Vibrio alginolyticus ATCC 33868 AVF76663.1    
 AL539_16795   Vibrio alginolyticus ATCC 33868 AVF75332.1    
 AL545_11350   Vibrio alginolyticus FDAARGOS_114 AVF69669.1    
 AL545_20540   Vibrio alginolyticus FDAARGOS_114 AVF71354.1    
 AL541_10980   Vibrio alginolyticus J207 AVF64866.1    
 AL541_20890   Vibrio alginolyticus J207 AVF66633.1    
 K01M1_36850   Vibrio alginolyticus K01M1 ARP00517.1    
 K01M1_07490 (ChB)   Vibrio alginolyticus K01M1 ARO97716.1    
 K01M1_25780   Vibrio alginolyticus K01M1 ARO99507.1    
 K04M1_36780   Vibrio alginolyticus K04M1 ARP05217.1    
 K04M1_25930   Vibrio alginolyticus K04M1 ARP04223.1    
 K04M1_07830 (ChB)   Vibrio alginolyticus K04M1 ARP02444.1    
 K04M5_25840   Vibrio alginolyticus K04M5 ARP14358.1    
 K04M5_37060   Vibrio alginolyticus K04M5 ARP15374.1    
 K04M5_07510 (ChB)   Vibrio alginolyticus K04M5 ARP12564.1    
 K05K4_07750 (ChB)   Vibrio alginolyticus K05K4 ARP17624.1    
 K05K4_25970   Vibrio alginolyticus K05K4 ARP19417.1    
 K05K4_37010   Vibrio alginolyticus K05K4 ARP20428.1    
 K06K5_07840 (ChB)   Vibrio alginolyticus K06K5 ARP22728.1    
 K06K5_25900   Vibrio alginolyticus K06K5 ARP24507.1    
 K06K5_36750   Vibrio alginolyticus K06K5 ARP25501.1    
 K08M3_25840   Vibrio alginolyticus K08M3 ARP34306.1    
 K08M3_36700   Vibrio alginolyticus K08M3 ARP35301.1    
 K08M3_07510 (ChB)   Vibrio alginolyticus K08M3 ARP32509.1    
 K08M4_05880   Vibrio alginolyticus K08M4 ARP37373.1    
 K08M4_07710 (ChB)   Vibrio alginolyticus K08M4 ARP37534.1    
 K09K1_25760 (ChB)   Vibrio alginolyticus K09K1 ARP47187.1    
 K09K1_39780   Vibrio alginolyticus K09K1 ARP48445.1    
 K09K1_12810   Vibrio alginolyticus K09K1 ARP45928.1    
 K10K4_25660   Vibrio alginolyticus K10K4 ARP29550.1    
 K10K4_36930   Vibrio alginolyticus K10K4 ARP30570.1    
 K10K4_07490 (ChB)   Vibrio alginolyticus K10K4 ARP27760.1    
 N646_2906   Vibrio alginolyticus NBRC 15630 = ATCC 17749 AGV18716.1    
 N646_1583   Vibrio alginolyticus NBRC 15630 = ATCC 17749 AGV17416.1    
 BAU10_02885   Vibrio alginolyticus ZJ-T ANP63971.1    
 BAU10_11990   Vibrio alginolyticus ZJ-T ANP65682.1    
 PO26_11390   Vibrio anguillarum 178/90 AQM27154.1    
 PO26_04445   Vibrio anguillarum 178/90 AQM25852.1    
 PN39_11660   Vibrio anguillarum 261/91 AQL64875.1    
 PN39_04435   Vibrio anguillarum 261/91 AQL63522.1    
 B5S57_09375   Vibrio anguillarum 425 AVT67385.1    
 B5S57_17410   Vibrio anguillarum 425 AVT68885.1    
 AA407_10365   Vibrio anguillarum 4299 AQM13489.1    
 PN46_04460   Vibrio anguillarum 51/82/2 AQL80754.1    
 PN46_11345   Vibrio anguillarum 51/82/2 AQL82048.1    
 PL15_04450   Vibrio anguillarum 601/90 AQL91167.1    
 PL15_11725   Vibrio anguillarum 601/90 AQL92537.1    
 PN38_04430   Vibrio anguillarum 6018/1 AQM05426.1    
 PN38_11315   Vibrio anguillarum 6018/1 AQM06712.1    
 VAA_03539   Vibrio anguillarum 775 AEH32542.1    
 VAA_00773   Vibrio anguillarum 775 AEH34053.1    
 PO30_04425   Vibrio anguillarum 87-9-116 AQL84212.1    
 PO30_11605   Vibrio anguillarum 87-9-116 AQL85570.1    
 CEA93_11015   Vibrio anguillarum 87-9-116 ASF92539.1    
 CEA93_03040   Vibrio anguillarum 87-9-116 ASF91047.1    
 PO31_11330   Vibrio anguillarum 87-9-117 AQL89009.1    
 PO31_04420   Vibrio anguillarum 87-9-117 AQL87712.1    
 PL14_02615   Vibrio anguillarum 90-11-286 ANJ22142.1    
 PL14_10080   Vibrio anguillarum 90-11-286 ANJ23534.1    
 QR76_04450   Vibrio anguillarum 90-11-287 AQM33609.1    
 QR76_11685   Vibrio anguillarum 90-11-287 AQM34978.1    
 PO28_11825   Vibrio anguillarum 9014/8 AQL75225.1    
 PO28_04465   Vibrio anguillarum 9014/8 AQL73844.1    

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