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 (5019); Uniprot accession (778); PDB accession (82); 3D entries (18); cryst (0)
All (4741) Archaea (4) Bacteria (4395) Eukaryota (330) Viruses (2) unclassified (10) Structure (18) Characterized (124)
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | ... | 44 |
Bacteria
Protein Name EC#OrganismGenBank UniprotPDB/3D
 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    
 At1D1609_27620   Agrobacterium tumefaciens 1D1609 AVH42817.1    
 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
   
 A4V05_03910   Akkermansia muciniphila YL44 ANU60648.1
ASB36293.1
   
 A4V05_05925   Akkermansia muciniphila YL44 ANU61001.1
ASB34492.1
   
 A4V05_05930   Akkermansia muciniphila YL44 ANU61002.1
ANU61002.2
ASB36390.1
   
 A4V05_11985   Akkermansia muciniphila YL44 ANU62089.1
ASB35582.1
   
 A4V05_06650   Akkermansia muciniphila YL44 ANU61132.1
ASB34627.1
   
 A4V05_09210   Akkermansia muciniphila YL44 ANU61589.1
ASB35080.1
   
 A4V05_06710   Akkermansia muciniphila YL44 ANU61144.1
ASB34639.1
   
 A4V05_09065   Akkermansia muciniphila YL44 ANU61563.1
ANU61563.2
ASB36426.1
   
 A4V05_00715   Akkermansia muciniphila YL44 ANU60083.2
ASB35722.1
   
 A4V05_04910   Akkermansia muciniphila YL44 ANU60826.2
ASB34321.1
   
 APS56_02965   Algibacter alginicilyticus HZ22 ALJ04171.1    
 APS56_06310   Algibacter alginicilyticus HZ22 ALJ06766.1    
 APS56_03055   Algibacter alginicilyticus HZ22 ALJ04186.1    
 APS56_02930   Algibacter alginicilyticus HZ22 ALJ04164.1    
 AO498_09400   Algoriphagus sp. M8-2 AMQ56634.1    
 AO498_08225   Algoriphagus sp. M8-2 AMQ56398.1    
 AO498_10695   Algoriphagus sp. M8-2 AMQ56897.1    
 VSAL_I2583 (ExoI) (fragment)   Aliivibrio salmonicida LFI1238 CAQ80267.1 B6EL15  
 VSAL_I2989   Aliivibrio salmonicida LFI1238 CAQ80673.1 B6EGV7  
 VSAL_II0050 (ChB)   Aliivibrio salmonicida LFI1238 CAQ80804.1 B6EQ37  
 AWOD_II_1174 (ChB)   Aliivibrio wodanis CED57789.1    
 AWOD_I_0449 (ExoI)   Aliivibrio wodanis CED70543.1    
 AWOD_I_0038   Aliivibrio wodanis CED70136.1    
 Alfi_1560   Alistipes finegoldii DSM 17242 AFL77900.1    
 Alfi_1077 (possible fragment)   Alistipes finegoldii DSM 17242 AFL77431.1    
 Alfi_1074   Alistipes finegoldii DSM 17242 AFL77428.1    
 Alfi_1091   Alistipes finegoldii DSM 17242 AFL77445.1    
 Alfi_3171   Alistipes finegoldii DSM 17242 AFL79407.1    
 Alfi_0052   Alistipes finegoldii DSM 17242 AFL76468.1    
 Alfi_0077   Alistipes finegoldii DSM 17242 AFL76493.1    
 Alfi_1109   Alistipes finegoldii DSM 17242 AFL77462.1    
 Alfi_1325   Alistipes finegoldii DSM 17242 AFL77671.1    
 Alfi_2668   Alistipes finegoldii DSM 17242 AFL78928.1    
 AL1_13760   Alistipes shahii WAL 8301 CBK63830.1 D4ILL8  
 AL1_13790 (possible fragment)   Alistipes shahii WAL 8301 CBK63833.1 D4ILM1  
 AL1_13930   Alistipes shahii WAL 8301 CBK63847.1 D4ILN5  
 AL1_19260   Alistipes shahii WAL 8301 CBK64276.1 D4IMW4  
 AL1_25080   Alistipes shahii WAL 8301 CBK64723.1 D4IP61  
 AL1_07230   Alistipes shahii WAL 8301 CBK63300.1 D4IK38  
 CDL62_14210   Alkalitalea saponilacus DSM 24412 ASB50209.1    
 SAMN04489726_6299   Allokutzneria albata DSM 44149 SDN37334.1    
 SAMN04489726_0436   Allokutzneria albata DSM 44149 SDM22071.1    
 HexB   alpha proteobacterium NT18-17 AMK07555.1    
 MASE_13865   Alteromonas macleodii ATCC 27126 AFS38279.1    
 ACZ81_14490   Alteromonas macleodii HOT1A3 AMN12679.1    
 AMBAS45_14395   Alteromonas macleodii str. Balearic Sea AD45 AFT96342.1    
 AMBLS11_13775   Alteromonas macleodii str. Black Sea 11 AFT79324.1    
 AMEC673_14190   Alteromonas macleodii str. English Channel 673 AFT75520.1    
 TE101_14555   Alteromonas macleodii Te101 AUI83428.1    
 BM527_13865   Alteromonas sp. Mex14 APD87089.1    
 AJAP_03860   Amycolatopsis japonica MG417-CF17 AIG73696.1    
 AJAP_29395   Amycolatopsis japonica MG417-CF17 AIG78712.1    
 AJAP_14065   Amycolatopsis japonica MG417-CF17 AIG75694.1    
 SAMN04489733_7407   Amycolatopsis keratiniphila FH 1893 SDU63488.1    
 SAMN04489733_0704   Amycolatopsis keratiniphila FH 1893 SDU04932.1    
 SAMN04489733_3804   Amycolatopsis keratiniphila FH 1893 SDU40202.1    
 BB31_36680   Amycolatopsis lurida NRRL 2430 AJK58554.1    
 BB31_26645   Amycolatopsis lurida NRRL 2430 AJK56747.1    
 BB31_36225   Amycolatopsis lurida NRRL 2430 AJK58481.1    
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