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
 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    
 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    
 BB31_03635   Amycolatopsis lurida NRRL 2430 AJK52582.1    
 B737_5985   Amycolatopsis mediterranei RB AGT86649.1    
 B737_8139   Amycolatopsis mediterranei RB AGT88800.1    
 B737_6576   Amycolatopsis mediterranei RB AGT87240.1    
 B737_3278 (NagZ)   Amycolatopsis mediterranei RB AGT83942.1    
 B737_5006   Amycolatopsis mediterranei RB AGT85670.1    
 RAM_42445   Amycolatopsis mediterranei S699 AEK46956.1
AFO81671.1
   
 RAM_34245   Amycolatopsis mediterranei S699 AEK45322.1
AFO80112.1
   
 RAM_25800   Amycolatopsis mediterranei S699 AEK43638.1
AFO78542.1
   
 RAM_31120   Amycolatopsis mediterranei S699 AEK44699.1
AFO79521.1
   
 RAM_16855   Amycolatopsis mediterranei S699 AEK41859.1
AFO76814.1
   
 AMED_3314   Amycolatopsis mediterranei U32 ADJ45103.1 D8I5L4  
 AMED_5066   Amycolatopsis mediterranei U32 ADJ46831.1 D8I046  
 AMED_6070   Amycolatopsis mediterranei U32 ADJ47810.1 D8HU44  
 AMED_6675   Amycolatopsis mediterranei U32 ADJ48401.1 D8I0F9  
 AMED_8265   Amycolatopsis mediterranei U32 ADJ49963.1 D8HIP2  
 AMETH_6009 (HexA)   Amycolatopsis methanolica 239 AIJ26101.1    
 AMETH_6129   Amycolatopsis methanolica 239 AIJ26221.1    
 SD37_31035   Amycolatopsis orientalis B-37 ANN19614.1    
 SD37_05450   Amycolatopsis orientalis B-37 ANN15159.1    
 SD37_25040 (fragment)   Amycolatopsis orientalis B-37 ANN22012.1    
 AORI_2027   Amycolatopsis orientalis HCCB10007 AGM04615.1    
 AORI_5085   Amycolatopsis orientalis HCCB10007 AGM07669.1    
 AORI_7058   Amycolatopsis orientalis HCCB10007 AGM09640.1    
 ANT_25590   Anaerolinea thermophila UNI-1 BAJ64585.1    
 SAMN00777080_1938   Aquiflexum balticum DSM 16537 SMD43348.1    
 SAMN00777080_3272   Aquiflexum balticum DSM 16537 SMD44646.1    
 SAMN00777080_2476   Aquiflexum balticum DSM 16537 SMD43864.1    
 A9P82_13080   Arachidicoccus sp. BS20 ANI90135.1    
 A9P82_11715   Arachidicoccus sp. BS20 ANI90757.1    
 Arch_0158   Arcanobacterium haemolyticum DSM 20595 ADH91921.1 D7BLX2  
 Arch_0722   Arcanobacterium haemolyticum DSM 20595 ADH92454.1 D7BNF5  
 SAMN04489737_0289   Arcanobacterium phocae DSM 10002 SDU78026.1    
 SAMN04489737_0446   Arcanobacterium phocae DSM 10002 SDU78366.1    
 AREALGSMS7_02960   Arenibacter algicola SMS7 ASO06393.1    
 AREALGSMS7_03360   Arenibacter algicola SMS7 ASO06785.1    
 AREALGSMS7_02780   Arenibacter algicola SMS7 ASO06218.1    
 AREALGSMS7_02037   Arenibacter algicola SMS7 ASO05495.1    
 CCB80_02400   Armatimonadetes bacterium Uphvl-Ar1 ARU40047.1    
 CCB80_15295   Armatimonadetes bacterium Uphvl-Ar1 ARU42621.1    
 CCB80_07460 (fragment)   Armatimonadetes bacterium Uphvl-Ar1 ARU40988.1    
 CCB80_07450 (fragment)   Armatimonadetes bacterium Uphvl-Ar1 ARU40986.1    
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