Glycoside Hydrolase Family 20

Activities in Familyβ-hexosaminidase (EC; lacto-N-biosidase (EC; β-1,6-N-acetylglucosaminidase) (EC 3.2.1.-); β-6-SO3-N-acetylglucosaminidase (EC 3.2.1.-)
Mechanism Retaining
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 (5212); Uniprot accession (778); PDB accession (82); 3D entries (18); cryst (0)
All (4927) Archaea (4) Bacteria (4581) Eukaryota (330) Viruses (2) unclassified (10) Structure (18) Characterized (124)
| 1 | ... | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | ... | 46 |
Protein Name EC#OrganismGenBank UniprotPDB/3D
 BBL520_08710   Bifidobacterium breve LMC520 AQM43607.1    
 B2258_1572   Bifidobacterium breve NCFB 2258 AHJ21750.1    
 NRBB04_1568 (fragment)   Bifidobacterium breve NRBB04 AUD71521.1    
 NRBB08_1545   Bifidobacterium breve NRBB08 AUE07846.1    
 NRBB18_1546   Bifidobacterium breve NRBB18 AUE09720.1    
 NRBB19_1549   Bifidobacterium breve NRBB19 AUE11598.1    
 NRBB20_1554   Bifidobacterium breve NRBB20 AUE13472.1    
 NRBB27_1545   Bifidobacterium breve NRBB27 AUE15344.1    
 NRBB49_1546   Bifidobacterium breve NRBB49 AUE17213.1    
 NRBB51_1631   Bifidobacterium breve NRBB51 AUD81715.1    
 NRBB52_1627   Bifidobacterium breve NRBB52 AUD83678.1    
 NRBB56_1637   Bifidobacterium breve NRBB56 AUD85662.1    
 NRBB57_1831   Bifidobacterium breve NRBB57 AUD87820.1    
 BS27_1539 (NagZ)   Bifidobacterium breve S27 AHJ25311.1    
 Bbr_1556 (NagZ)   Bifidobacterium breve UCC2003 ABE96227.1    
 BBKW_1886   Bifidobacterium kashiwanohense JCM 15439 = DSM 21854 BAQ30021.1    
 AH68_09645   Bifidobacterium kashiwanohense PV20-2 AIZ15248.1    
 BL105A_1347   Bifidobacterium longum 105-A BAP83971.1    
 B624_1267   Bifidobacterium longum 35624 AOL10721.1    
 BBG7_1461   Bifidobacterium longum BG7 ALE36649.1    
 GS08_07345   Bifidobacterium longum BXY01 AIF90923.1    
 BLD_0071 (ChB)   Bifidobacterium longum DJO10A ACD97517.1    
 BL0056   Bifidobacterium longum NCC2705 AAN23923.1
 SAMN04489749_0698   Bifidobacterium longum Su859 SDO41863.1    
 BLIF_1436   Bifidobacterium longum subsp. infantis 157F BAJ71575.1    
 β-N-acetylhexosaminidase / β-N-acetylglucosaminidase (Blon_0459) Bifidobacterium longum subsp. infantis ATCC 15697 = JCM 1222 = DSM 20088 ACJ51575.1 B7GN69  
 β-N-acetylhexosaminidase / β-N-acetylglucosaminidase (Blon_0732) Bifidobacterium longum subsp. infantis ATCC 15697 = JCM 1222 = DSM 20088 ACJ51836.1 B7GPV6  
 β-N-acetylhexosaminidase / β-N-acetylglucosaminidase (Blon_2355) Bifidobacterium longum subsp. infantis ATCC 15697 = JCM 1222 = DSM 20088 ACJ53413.1 B7GNQ7  
 BLIJ_0466   Bifidobacterium longum subsp. infantis ATCC 15697 = JCM 1222 = DSM 20088 BAJ68060.1    
 BLIJ_2428   Bifidobacterium longum subsp. infantis ATCC 15697 = JCM 1222 = DSM 20088 BAJ70005.1    
 BLIJ_0744   Bifidobacterium longum subsp. infantis ATCC 15697 = JCM 1222 = DSM 20088 BAJ68336.1    
 RY67_1264   Bifidobacterium longum subsp. infantis BT1 ALE09291.1    
 RY67_1477   Bifidobacterium longum subsp. infantis BT1 ALE09497.1    
 RY67_497   Bifidobacterium longum subsp. infantis BT1 ALE08560.1    
 BL1206_1501   Bifidobacterium longum subsp. longum AH1206 AOP01538.1    
 BBMN68_99 (ChB)   Bifidobacterium longum subsp. longum BBMN68 ADQ01964.1 E4R1D5  
 BBL306_1845   Bifidobacterium longum subsp. longum CCUG30698 ALO75374.1    
 BIL_01040   Bifidobacterium longum subsp. longum F8 CBK69800.1 D6DBC9  
 BLGT_07440   Bifidobacterium longum subsp. longum GT15 AIW44044.1    
 BLLJ_1391   Bifidobacterium longum subsp. longum JCM 1217 BAJ67058.1    
 BLJ_1417   Bifidobacterium longum subsp. longum JDM301 ADH00861.1 D6ZVF5  
 BLNIAS_00799   Bifidobacterium longum subsp. longum KACC 91563 AEI97105.1    
 B8809_1264   Bifidobacterium longum subsp. longum NCIMB8809 ALO72935.1    
 BIP_15870   Bifidobacterium pseudocatenulatum D2CA CBK72742.1    
 BBPC_1688   Bifidobacterium pseudocatenulatum DSM 20438 = JCM 1200 = LMG 10505 BAR04366.1    
 BBSC_1803   Bifidobacterium scardovii JCM 12489 = DSM 13734 BAQ31883.1    
 BBSC_1052   Bifidobacterium scardovii JCM 12489 = DSM 13734 BAQ31132.1    
 BBSC_1775   Bifidobacterium scardovii JCM 12489 = DSM 13734 BAQ31855.1    
 ADH70_001885   Blautia coccoides YL58 ASU27725.1    
 CGC63_14660   Blautia hansenii DSM 20583 ASM70625.1    
 A4V09_03560   Blautia sp. YL58 ANU74916.1    
 Bfae_26320   Brachybacterium faecium DSM 4810 ACU86406.1 C7MGV8  
 Bfae_05690   Brachybacterium faecium DSM 4810 ACU84435.1 C7MI09  
 Bfae_21820   Brachybacterium faecium DSM 4810 ACU85983.1 C7MEH6  
 CFK41_05745   Brachybacterium ginsengisoli DCY80 ATG54334.1    
 CFK41_03360   Brachybacterium ginsengisoli DCY80 ATG53920.1    
 BH708_09685   Brachybacterium sp. P6-10-X1 APX32941.1    
 BH708_07100   Brachybacterium sp. P6-10-X1 APX32527.1    
 CFK38_05490   Brachybacterium sp. VM2412 ATG51045.1    
 CFK38_08935   Brachybacterium sp. VM2412 ATG51636.1    
 CFK38_08025   Brachybacterium sp. VM2412 ATG51484.1    
 CFK38_16755   Brachybacterium sp. VM2412 ATG53327.1    
 CFK39_10785   Brachybacterium sp. VR2415 ASK67168.1    
 CH72_1908   Burkholderia ambifaria AMMD AJY21838.1    
 BamMC406_2738   Burkholderia ambifaria MC40-6 ACB65215.1 B1YN70  
 A2T82_05980   Burkholderia cenocepacia 842 AMU05850.1    
 A3203_28635   Burkholderia cenocepacia 895 AMU16795.1    
 Bcen_2206   Burkholderia cenocepacia AU 1054 ABF77107.1 Q1BTE8  
 BHQ31_14715   Burkholderia cenocepacia CR318 AQT51191.1    
 DM40_422 (ChB)   Burkholderia cenocepacia DWS 37E-2 AIO42138.1    
 BCN122_I0790   Burkholderia cenocepacia GIMC4560:Bcn122 ARF84177.1    
 I35_2891   Burkholderia cenocepacia H111 CDN61414.1    
 Bcen2424_2820   Burkholderia cenocepacia HI2424 ABK09570.1 A0KAP3  
 BCAL0782   Burkholderia cenocepacia J2315 CAR51090.1 B4EAA7  
 Bcenmc03_2831   Burkholderia cenocepacia MC0-3 ACA91990.1 B1JYR7  
 B9Z07_25915   Burkholderia cenocepacia PC184 Mulks AWG32177.1    
 TQ36_10515   Burkholderia cenocepacia ST32 ALV56662.1    
 A8E75_33135   Burkholderia cenocepacia VC12308 AQQ43735.1    
 A8F32_36060   Burkholderia cenocepacia VC1254 AQQ51050.1    
 A8E96_14365   Burkholderia cenocepacia VC12802 AQQ33522.1    
 A8D61_06710   Burkholderia cenocepacia VC2307 AQQ18232.1    
 A8E88_26970   Burkholderia cenocepacia VC7848 AQQ29031.1    
 chitinase (BCC1)   Burkholderia cepacia BAB20043.1 Q9F1K5  
 DM41_866 (ChB)   Burkholderia cepacia ATCC 25416 AIO25247.1    
 APZ15_01965   Burkholderia cepacia ATCC 25416 UCB 717 ALK16673.1    
 DM42_2249 (ChB)   Burkholderia cepacia DDS 7H-2 AIO48650.1    
 CEQ23_14575   Burkholderia cepacia FDAARGOS_345 ASE94711.1    
 CO711_06410   Burkholderia cepacia FDAARGOS_388 ATF77112.1    
 P350_03920   Burkholderia cepacia JBK9 ALX10746.1    
 P350_03920   Burkholderia cepacia JBK9 ALX10746.1    
 XM57_06665   Burkholderia cepacia LO6 AKE02652.1    
 BCCH1_59200   Burkholderia contaminans CH-1 BBA43420.1    
 WI95_14555   Burkholderia contaminans FL-1-2-30-S1-D0 AOL05032.1    
 NL30_27195   Burkholderia contaminans MS14 AKM43479.1    
 AK34_283 (ChB)   Burkholderia dolosa AU0158 AJY12572.1    
 BM43_2205 (ChB)   Burkholderia gladioli ATCC 10248 AJW99510.1    
 BM43_4240 (fragment)   Burkholderia gladioli ATCC 10248 AJW96985.1    
 bgla_1g08220   Burkholderia gladioli BSR3 AEA59510.1    
 bgla_2g06010 (fragment)   Burkholderia gladioli BSR3 AEA63077.1    
 CO712_09610   Burkholderia gladioli pv. gladioli FDAARGOS_389 ATF85275.1    

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