Glycoside Hydrolase Family 20

Activities in Familyβ-hexosaminidase (EC 3.2.1.52); lacto-N-biosidase (EC 3.2.1.140); β-1,6-N-acetylglucosaminidase) (EC 3.2.1.-); β-6-SO3-N-acetylglucosaminidase (EC 3.2.1.-)
Mechanism Retaining
ClanGH-K
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 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | ... | 40 |
Bacteria
Protein Name EC#OrganismGenBank UniprotPDB/3D
 V469_05985   Aeromonas hydrophila J-1 AJE35479.1    
 V469_14775   Aeromonas hydrophila J-1 AJE37038.1    
 AS145_06180   Aeromonas hydrophila JBN2301 ALQ62494.1    
 AS145_15000   Aeromonas hydrophila JBN2301 ALQ64130.1    
 AHML_16690   Aeromonas hydrophila ML09-119 AGM45106.1    
 AHML_08485   Aeromonas hydrophila ML09-119 AGM43479.1    
 β-hexosaminidase-2   Aeromonas hydrophila ML10-51K APU52751.1    
 β-hexosaminidase-1   Aeromonas hydrophila ML10-51K APU52744.1    
 U876_15180   Aeromonas hydrophila NJ-35 AKJ35300.1    
 U876_05965   Aeromonas hydrophila NJ-35 AKJ33674.1    
 V429_17310   Aeromonas hydrophila pc104A AHX70541.1    
 V429_08720   Aeromonas hydrophila pc104A AHX68966.1    
 AHA_1528   Aeromonas hydrophila subsp. hydrophila ATCC 7966 ABK38053.1 A0KIG5  
 AHA_3100   Aeromonas hydrophila subsp. hydrophila ATCC 7966 ABK39139.1 A0KMU9  
 β-N-acetylglucosaminidase (NagA;Nag-A) (Nag20A) 3.2.1.52 Aeromonas hydrophila SUWA-9 BAD00143.1 Q75V90  
 β-N-acetylglucosaminidase (NagB;Nag-B) 3.2.1.52 Aeromonas hydrophila SUWA-9 BAF76001.1 A7M7B5  
 AI20_11530   Aeromonas hydrophila YL17 AHV35796.1    
 AI20_03875   Aeromonas hydrophila YL17 AHV34364.1    
 B224_3655   Aeromonas media WS AHX61913.1    
 B224_1113   Aeromonas media WS AHX60070.1    
 CE456_09580   Aeromonas salmonicida S121 ASI22868.1    
 CE456_08595   Aeromonas salmonicida S121 ASI22706.1    
 CE456_09505   Aeromonas salmonicida S121 ASI22857.1    
 CE463_09610   Aeromonas salmonicida S44 ASI27183.1    
 CE463_09535   Aeromonas salmonicida S44 ASI27172.1    
 CE463_08625   Aeromonas salmonicida S44 ASI27022.1    
 CE462_08505   Aeromonas salmonicida S68 ASI31301.1    
 CE462_07520   Aeromonas salmonicida S68 ASI31140.1    
 CE462_08430   Aeromonas salmonicida S68 ASI31290.1    
 BHG40_18290   Aeromonas salmonicida subsp. masoucida RFAS1 ATD39657.1    
 BHG40_18225   Aeromonas salmonicida subsp. masoucida RFAS1 ATD39645.1    
 BHG40_19160   Aeromonas salmonicida subsp. masoucida RFAS1 ATD39807.1    
 ASA_2826   Aeromonas salmonicida subsp. salmonicida A449 ABO90842.1 A4SPM0  
 ASA_2841   Aeromonas salmonicida subsp. salmonicida A449 ABO90854.1 A4SPN2  
 ASA_3107   Aeromonas salmonicida subsp. salmonicida A449 ABO91101.1 A4SQC9  
 WL1483_3833 (ChB)   Aeromonas schubertii WL1483 ALP43252.1    
 WL1483_693   Aeromonas schubertii WL1483 ALP40112.1    
 β-N-acetylglucosaminidase 3.2.1.52 Aeromonas sp. 10S-24 BAA92145.1 Q9LC82  
 O23A_p1945   Aeromonas sp. O23A ARW82688.1    
 O23A_p2388   Aeromonas sp. O23A ARW83129.1    
 O23A_p2043   Aeromonas sp. O23A ARW82786.1    
 WM43_18320   Aeromonas veronii AVNIH1 ANB54465.1    
 WM43_05310   Aeromonas veronii AVNIH1 ANB52117.1    
 B565_1042   Aeromonas veronii B565 AEB49077.1    
 B565_2668   Aeromonas veronii B565 AEB50703.1    
 A6033_09300   Aeromonas veronii CB51 ANB68768.1    
 A6033_16940   Aeromonas veronii CB51 ANB70015.1    
 AMS64_16110   Aeromonas veronii TH0426 AMQ43758.1    
 AMS64_06995   Aeromonas veronii TH0426 AMQ42134.1    
 ACT75_07730   Aggregatibacter actinomycetemcomitans 624 AMQ94417.1    
 ANH9381_1191 (fragment)   Aggregatibacter actinomycetemcomitans ANH9381 AEW77168.1    
 dispersin B / β-1,6-N-acetylglucosaminidase (DspB) 3.2.1.- Aggregatibacter actinomycetemcomitans CU1000 AAP31025.1 Q840G9 1YHT[A]
 D11S_0869   Aggregatibacter actinomycetemcomitans D11S-1 ACX82264.1 C9R378  
 D7S_01563   Aggregatibacter actinomycetemcomitans D7S-1 AFI87309.1    
 CF65_00721   Aggregatibacter actinomycetemcomitans HK1651 AHN71238.1
AKU28471.1
   
 BBH51_01690   Aggregatibacter actinomycetemcomitans IDH781 ANU81472.1    
 AANUM_0926   Aggregatibacter actinomycetemcomitans NUM4039 BAS48157.1    
 ACT74_01245   Aggregatibacter actinomycetemcomitans VT1169 AMQ91341.1    
 Nag1, partial   Aggregatibacter actinomycetemcomitans Y4 ATCC 43718 AHU86568.1    
 NJ8700_01760 (fragment)   Aggregatibacter aphrophilus NJ8700 AKS64193.1    
 ADJ80_06490   Aggregatibacter aphrophilus W1043 AKU64311.1    
 Atu2596   Agrobacterium fabrum str. C58 AAL43577.1
AAK88319.1
NP_355534.1
NP_533261.1
A9CHL7
A9CHL7
 
 Arad_0415 (HexA)   Agrobacterium radiobacter K84 ACM25112.1 B9J706  
 AGROH133_08765   Agrobacterium sp. H13-3 ADY65510.1    
 BSY240_3717   Agrobacterium sp. RAC06 AOG12416.1    
 Ach5_24820   Agrobacterium tumefaciens Ach5 AKC08257.1    
 X971_2584   Agrobacterium tumefaciens LBA4213 (Ach5) AHK02445.1    
 AWN88_17870   Agrobacterium tumefaciens S33 AMD60079.1    
 Avi_6251   Agrobacterium vitis S4 ACM39222.1 B9K2X4  
 ATC03_06025   Agromyces aureus AR33 ANJ26340.1    
 ATC03_01560   Agromyces aureus AR33 ANJ25643.1    
 ATC03_06030   Agromyces aureus AR33 ANJ28764.1    
 ATC03_02810   Agromyces aureus AR33 ANJ25839.1    
 PYTT_0795   Akkermansia glycaniphila SEH79429.1    
 PYTT_1475   Akkermansia glycaniphila SEH88889.1    
 PYTT_0909   Akkermansia glycaniphila SEH80881.1    
 PYTT_1791   Akkermansia glycaniphila SEH92817.1    
 PYTT_1433   Akkermansia glycaniphila SEH88281.1    
 PYTT_0006   Akkermansia glycaniphila SEH69023.1    
 PYTT_0523   Akkermansia glycaniphila SEH76137.1    
 PYTT_2455   Akkermansia glycaniphila SEI00074.1    
 PYTT_2248   Akkermansia glycaniphila SEH97845.1    
 PYTT_0908   Akkermansia glycaniphila SEH80865.1    
 PYTT_1090   Akkermansia glycaniphila SEH83413.1    
 PYTT_1193   Akkermansia glycaniphila SEH84907.1    
 PYTT_1056   Akkermansia glycaniphila SEH82953.1    
 PYTT_0004   Akkermansia glycaniphila SEH68986.1    
 PYTT_0035   Akkermansia glycaniphila SEH69471.1    
 Amuc_0369   Akkermansia muciniphila ATCC BAA-835 ACD04208.1 B2UN02  
 Amuc_0397   Akkermansia muciniphila ATCC BAA-835 ACD04236.1 B2UNC4  
 Amuc_0868   Akkermansia muciniphila ATCC BAA-835 ACD04701.1 B2UQG6  
 Amuc_1032   Akkermansia muciniphila ATCC BAA-835 ACD04858.1 B2UQX3  
 Amuc_1669   Akkermansia muciniphila ATCC BAA-835 ACD05487.1 B2UM43  
 Amuc_1815   Akkermansia muciniphila ATCC BAA-835 ACD05633.1 B2UN22  
 Amuc_1924   Akkermansia muciniphila ATCC BAA-835 ACD05737.1 B2UNM1  
 Amuc_2018   Akkermansia muciniphila ATCC BAA-835 ACD05828.1 B2UP57  
 Amuc_2019   Akkermansia muciniphila ATCC BAA-835 ACD05829.1 B2UP58  
 Amuc_2136   Akkermansia muciniphila ATCC BAA-835 ACD05945.1 B2UPR7  
 Amuc_2148   Akkermansia muciniphila ATCC BAA-835 ACD05956.1 B2UPS8  
 A4V05_05465   Akkermansia muciniphila YL44 ANU60922.1
ASB34415.1
   
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