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 | 10 | ... | 44 |
Bacteria
Protein Name EC#OrganismGenBank UniprotPDB/3D
 BUN20_05840   Bacteroides fragilis Q1F2 AUI46164.1    
 BUN20_21080   Bacteroides fragilis Q1F2 AUI48789.1    
 BUN20_09600   Bacteroides fragilis Q1F2 AUI46818.1    
 BUN20_00590   Bacteroides fragilis Q1F2 AUI45237.1    
 BUN20_05870   Bacteroides fragilis Q1F2 AUI46170.1    
 AE940_11150   Bacteroides fragilis S14 ANQ61315.1    
 AE940_01930   Bacteroides fragilis S14 ANQ59672.1    
 AE940_00555   Bacteroides fragilis S14 ANQ59422.1    
 AE940_04820   Bacteroides fragilis S14 ANQ60196.1    
 AE940_18705   Bacteroides fragilis S14 ANQ62643.1    
 AE940_06800   Bacteroides fragilis S14 ANQ60545.1    
 AE940_11200   Bacteroides fragilis S14 ANQ61324.1    
 AE940_13755   Bacteroides fragilis S14 ANQ61778.1    
 AE940_04810   Bacteroides fragilis S14 ANQ60194.1    
 AE940_11165   Bacteroides fragilis S14 ANQ61317.1    
 AE940_04790   Bacteroides fragilis S14 ANQ60190.1    
 BF1730 (NahA)   Bacteroides fragilis YCH46 BAC56896.1
BAD48477.1
Q64VJ9
Q84IE2
 
 BF2136   Bacteroides fragilis YCH46 BAD48883.1 Q64UE6  
 BF1734 (NahB)   Bacteroides fragilis YCH46 BAD48481.1
BAC56900.2
G8K031  
 BF4250   Bacteroides fragilis YCH46 BAD50992.1 Q64NE1  
 BF3256   Bacteroides fragilis YCH46 BAD50000.1 Q64R81  
 BF1036   Bacteroides fragilis YCH46 BAD47786.1 Q64XJ0  
 BF0381   Bacteroides fragilis YCH46 BAD47130.1 Q64ZE6  
 BF0740   Bacteroides fragilis YCH46 BAD47491.1 Q64YD5  
 BF3249   Bacteroides fragilis YCH46 BAD49993.1 Q64R88  
 BF3819   Bacteroides fragilis YCH46 BAD50561.1 Q64PM0  
 BF3246   Bacteroides fragilis YCH46 BAD49990.1 Q64R91  
 BF1736 (NahC)   Bacteroides fragilis YCH46 BAD48483.1
BAC56902.1
BAC56902.2
G8K030  
 Bache_2782   Bacteroides helcogenes P 36-108 ADV44725.1    
 Bache_0470   Bacteroides helcogenes P 36-108 ADV42495.1    
 Bache_2793   Bacteroides helcogenes P 36-108 ADV44736.1    
 Bache_0092   Bacteroides helcogenes P 36-108 ADV42122.1    
 Bache_1358   Bacteroides helcogenes P 36-108 ADV43364.1    
 Bache_2193   Bacteroides helcogenes P 36-108 ADV44162.1    
 Bache_2794   Bacteroides helcogenes P 36-108 ADV44737.1    
 Bache_0057   Bacteroides helcogenes P 36-108 ADV42087.1    
 C3V43_10355   Bacteroides heparinolyticus F0111 AVM59031.1    
 C3V43_08720   Bacteroides heparinolyticus F0111 AVM57830.1    
 C3V43_08320   Bacteroides heparinolyticus F0111 AVM57759.1    
 C3V43_05335   Bacteroides heparinolyticus F0111 AVM57238.1    
 C3V43_10280   Bacteroides heparinolyticus F0111 AVM58095.1    
 Bovatus_02016 (Chb_2) (fragment)   Bacteroides ovatus ATCC 8483 ALJ46651.1    
 Bovatus_00312   Bacteroides ovatus ATCC 8483 ALJ44983.1    
 Bovatus_02290   Bacteroides ovatus ATCC 8483 ALJ46923.1    
 Bovatus_03981   Bacteroides ovatus ATCC 8483 ALJ48578.1    
 Bovatus_02012 (Chb_1) (fragment)   Bacteroides ovatus ATCC 8483 ALJ46647.1    
 Bovatus_02439 (Chb_3)   Bacteroides ovatus ATCC 8483 ALJ47065.1    
 Bovatus_03418 (Chb_4)   Bacteroides ovatus ATCC 8483 ALJ48025.1    
 Bovatus_01244   Bacteroides ovatus ATCC 8483 ALJ45895.1    
 Bovatus_04570   Bacteroides ovatus ATCC 8483 ALJ49161.1    
 Bovatus_01700   Bacteroides ovatus ATCC 8483 ALJ46341.1    
 Bovatus_00313   Bacteroides ovatus ATCC 8483 ALJ44984.1    
 Bovatus_03792   Bacteroides ovatus ATCC 8483 ALJ48397.1    
 Bovatus_02011   Bacteroides ovatus ATCC 8483 ALJ46646.1    
 BACOV975_02371   Bacteroides ovatus V975 SCV08578.1    
 BACOV975_04039   Bacteroides ovatus V975 SCV10245.1    
 BACOV975_01581   Bacteroides ovatus V975 SCV07807.1    
 BACOV975_03116   Bacteroides ovatus V975 SCV09322.1    
 BACOV975_00078   Bacteroides ovatus V975 SCV06330.1    
 BACOV975_04801 (ChB) (fragment)   Bacteroides ovatus V975 SCV11007.1    
 BACOV975_04490   Bacteroides ovatus V975 SCV10696.1    
 BACOV975_01770   Bacteroides ovatus V975 SCV07994.1    
 BACOV975_04805 (ChB) (fragment)   Bacteroides ovatus V975 SCV11011.1    
 BACOV975_03115   Bacteroides ovatus V975 SCV09321.1    
 BACOV975_00218   Bacteroides ovatus V975 SCV06470.1    
 BACOV975_01195   Bacteroides ovatus V975 SCV07433.1    
 BACOV975_04800   Bacteroides ovatus V975 SCV11006.1    
 B-nagA   Bacteroides thetaiotaomicron AAL39074.1 Q8VS76  
 Btheta7330_04687   Bacteroides thetaiotaomicron 7330 ALJ44203.1    
 Btheta7330_03706   Bacteroides thetaiotaomicron 7330 ALJ43236.1    
 Btheta7330_04321   Bacteroides thetaiotaomicron 7330 ALJ43847.1    
 Btheta7330_02903   Bacteroides thetaiotaomicron 7330 ALJ42440.1    
 Btheta7330_01433   Bacteroides thetaiotaomicron 7330 ALJ41001.1    
 Btheta7330_02666   Bacteroides thetaiotaomicron 7330 ALJ42207.1    
 Btheta7330_02902   Bacteroides thetaiotaomicron 7330 ALJ42439.1    
 Btheta7330_01439   Bacteroides thetaiotaomicron 7330 ALJ41007.1    
 Btheta7330_02906   Bacteroides thetaiotaomicron 7330 ALJ42443.1    
 Btheta7330_02002   Bacteroides thetaiotaomicron 7330 ALJ41559.1    
 Btheta7330_03308   Bacteroides thetaiotaomicron 7330 ALJ42842.1    
 Btheta7330_00454   Bacteroides thetaiotaomicron 7330 ALJ40040.1    
 Btheta7330_03762   Bacteroides thetaiotaomicron 7330 ALJ43292.1    
 BT4337   Bacteroides thetaiotaomicron VPI-5482 AAO79442.1
NP_813248.1
Q89ZN9  
 BT3178   Bacteroides thetaiotaomicron VPI-5482 AAO78284.1
NP_812090.1
Q8A2X7  
 BT4394   Bacteroides thetaiotaomicron VPI-5482 AAO79499.1
NP_813305.1
Q89ZI3  
 BT0459   Bacteroides thetaiotaomicron VPI-5482 AAO75566.1
NP_809372.1
Q8AAK5  
 BT2459   Bacteroides thetaiotaomicron VPI-5482 AAO77566.1
NP_811372.1
Q8A4Y8  
 BT0460   Bacteroides thetaiotaomicron VPI-5482 AAO75567.1
NP_809373.1
Q8AAK4  
 BT3868   Bacteroides thetaiotaomicron VPI-5482 AAO78973.1
NP_812779.1
Q8A103  
 BT4681   Bacteroides thetaiotaomicron VPI-5482 AAO79786.1
NP_813592.1
Q89YQ0  
 BT1621   Bacteroides thetaiotaomicron VPI-5482 AAO76728.1
NP_810534.1
Q8A7A4  
 BT0456   Bacteroides thetaiotaomicron VPI-5482 AAO75563.1
NP_809369.1
Q8AAK8  
 BT3598   Bacteroides thetaiotaomicron VPI-5482 AAO78703.1
NP_812509.1
Q8A1R1  
 BT0506   Bacteroides thetaiotaomicron VPI-5482 AAO75613.1
NP_809419.1
Q8AAF9  
 BT1051   Bacteroides thetaiotaomicron VPI-5482 AAO76158.1
NP_809964.1
Q8A8W6  
 BT1627   Bacteroides thetaiotaomicron VPI-5482 AAO76734.1
NP_810540.1
Q8A798  
 BVU_0392   Bacteroides vulgatus ATCC 8482 ABR38110.1    
 BVU_0085   Bacteroides vulgatus ATCC 8482 ABR37815.1 A6KWK1  
 BVU_0537   Bacteroides vulgatus ATCC 8482 ABR38247.1 A6KXT3  
 BVU_1196   Bacteroides vulgatus ATCC 8482 ABR38886.1 A6KZM2  
 BVU_2209   Bacteroides vulgatus ATCC 8482 ABR39870.1 A6L2F6  
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