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 (4682); Uniprot accession (779); PDB accession (79); 3D entries (18); cryst (1)
All (4400) Archaea (4) Bacteria (4073) Eukaryota (312) Viruses (1) unclassified (10) Structure (18 - 1 cryst) Characterized (124)
| 1 | ... | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | ... | 41 |
Bacteria
Protein Name EC#OrganismGenBank UniprotPDB/3D
 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  
 BVU_3245   Bacteroides vulgatus ATCC 8482 ABR40874.1 A6L5B0  
 BVU_4136   Bacteroides vulgatus ATCC 8482 ABR41738.1 A6L7S4  
 BVU_4138   Bacteroides vulgatus ATCC 8482 ABR41740.1 A6L7S6  
 BVU_4142   Bacteroides vulgatus ATCC 8482 ABR41744.1 A6L7T0  
 BvMPK_3950 (fragment)   Bacteroides vulgatus mpk ALK86502.1    
 BvMPK_3658   Bacteroides vulgatus mpk ALK86219.1    
 BvMPK_1803 (fragment)   Bacteroides vulgatus mpk ALK84405.1    
 BvMPK_4148   Bacteroides vulgatus mpk ALK86698.1    
 BvMPK_2883   Bacteroides vulgatus mpk ALK85467.1    
 BvMPK_4285   Bacteroides vulgatus mpk ALK86827.1    
 BvMPK_3656   Bacteroides vulgatus mpk ALK86217.1    
 BvMPK_3662   Bacteroides vulgatus mpk ALK86223.1    
 BvMPK_3951 (fragment)   Bacteroides vulgatus mpk ALK86503.1    
 BvMPK_0941   Bacteroides vulgatus mpk ALK83558.1    
 BvMPK_3796   Bacteroides vulgatus mpk ALK86356.1    
 BXY_13050   Bacteroides xylanisolvens XB1A CBK66445.1 D6CW93  
 BXY_13060   Bacteroides xylanisolvens XB1A CBK66446.1 D6CW94  
 BXY_17860   Bacteroides xylanisolvens XB1A CBK66887.1 D6CXI5  
 BXY_00700   Bacteroides xylanisolvens XB1A CBK65374.1 D6D4H2  
 BXY_09310   Bacteroides xylanisolvens XB1A CBK66096.1 D6D7V1  
 BXY_09320   Bacteroides xylanisolvens XB1A CBK66097.1 D6D7V2  
 BXY_23130   Bacteroides xylanisolvens XB1A CBK67381.1 D6CYX9  
 BXY_34510   Bacteroides xylanisolvens XB1A CBK68445.1 D6D1Z3  
 BXY_42670 (fragment)   Bacteroides xylanisolvens XB1A CBK69167.1 D6D415  
 BXY_46370   Bacteroides xylanisolvens XB1A CBK69499.1 D6D5A5  
 BXY_00700   Bacteroides xylanisolvens XB1A      
 BARVI_03050   Barnesiella viscericola DSM 18177 AHF11967.1    
 BARVI_04275   Barnesiella viscericola DSM 18177 AHF12132.1    
 BARVI_04280   Barnesiella viscericola DSM 18177 AHF12133.1    
 BARVI_08120   Barnesiella viscericola DSM 18177 AHF12728.1    
 Belba_3232   Belliella baltica DSM 15883 AFL85742.1    
 Belba_3266   Belliella baltica DSM 15883 AFL85776.1    
 BWI17_12230   Betaproteobacteria bacterium GR16-43 APV50395.1    
 Bcav_0947   Beutenbergia cavernae DSM 12333 ACQ79208.1 C5C022  
 Bcav_1293   Beutenbergia cavernae DSM 12333 ACQ79552.1 C5C1T4  
 Bcav_3043   Beutenbergia cavernae DSM 12333 ACQ81287.1 C5BZV7  
 AB656_02690   Bifidobacterium actinocoloniiforme DSM 22766 AKV55320.1    
 BBBF_0021   Bifidobacterium bifidum ATCC 29521 = JCM 1255 = DSM 20456 BAQ97228.1    
 BBBF_1434   Bifidobacterium bifidum ATCC 29521 = JCM 1255 = DSM 20456 BAQ98641.1    
 BBBF_1524   Bifidobacterium bifidum ATCC 29521 = JCM 1255 = DSM 20456 BAQ98731.1    
 BBBF_1004   Bifidobacterium bifidum ATCC 29521 = JCM 1255 = DSM 20456 BAQ98211.1    
 RY70_1064   Bifidobacterium bifidum BF3 ALE11422.1    
 RY70_1677   Bifidobacterium bifidum BF3 ALE12005.1    
 RY70_1576   Bifidobacterium bifidum BF3 ALE11910.1    
 RY70_75   Bifidobacterium bifidum BF3 ALE10463.1    
 BBB_0943 (Hex20)   Bifidobacterium bifidum BGN4 AFL04535.1    
 BBB_0024 (ChB)   Bifidobacterium bifidum BGN4 AFL03621.1    
 BBB_1512 (fragment)   Bifidobacterium bifidum BGN4 AFL05103.1    
 BBB_1414 (HexA)   Bifidobacterium bifidum BGN4 AFL05005.1    
 β-N-acetylhexosaminidase (BbhIII)   Bifidobacterium bifidum JCM 1254 BAI94829.1    
 lacto-N-triose II β-N-acetylhexosaminidase (BbhI) 3.2.1.52 Bifidobacterium bifidum JCM 1254 BAI94822.1    
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