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 (5867); Uniprot accession (778); PDB accession (85); 3D entries (19); cryst (0)
All (5594) Archaea (4) Bacteria (5228) Eukaryota (350) Viruses (2) unclassified (10) Structure (19) Characterized (124)
| 1 | ... | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | ... | 53 |
Bacteria
Protein Name EC#OrganismGenBank UniprotPDB/3D
 BBTM_01844   Bifidobacterium bifidum TMC 3115 BBA56142.1    
 BBTM_01188   Bifidobacterium bifidum TMC 3115 BBA55685.1    
 lacto-N-biosidase (LnbB)   Bifidobacterium bifidum TMC3108 BBA57855.1    
 β-N-acetylhexosaminidase (BbhI)   Bifidobacterium bifidum TMC3108 BBA57859.1    
 BB017W439_1611   Bifidobacterium breve 017W439 AUD95907.1    
 BB082W48_1572   Bifidobacterium breve 082W48 AUD97792.1    
 B12L_1484   Bifidobacterium breve 12L AHJ16213.1    
 BB139W423_1674   Bifidobacterium breve 139W423 AUD99779.1    
 BB180W83_1578   Bifidobacterium breve 180W83 AUE01698.1    
 BB215W447A_1889   Bifidobacterium breve 215W447a AUE03892.1    
 B689b_1586   Bifidobacterium breve 689b AHJ23574.1    
 HMPREF9228_1607   Bifidobacterium breve ACS-071-V-Sch8b AEF27531.1    
 RY69_232   Bifidobacterium breve BR3 ALE12504.1    
 CNCMI4321_1765   Bifidobacterium breve CNCM I-4321 AUE05970.1    
 DRBB26_1666   Bifidobacterium breve DRBB26 AUD89785.1    
 DRBB27_1765   Bifidobacterium breve DRBB27 AUD91869.1    
 DRBB28_1792   Bifidobacterium breve DRBB28 AUD93969.1    
 DRBB29_1766   Bifidobacterium breve DRBB29 AUE19301.1    
 DRBB30_1764   Bifidobacterium breve DRBB30 AUE21393.1    
 BBBR_1555   Bifidobacterium breve DSM 20213 = JCM 1192 BAR00594.1    
 EGX97_08320   Bifidobacterium breve FDAARGOS_561 AYZ89458.1    
 B7017_1750   Bifidobacterium breve JCM 7017 AHJ17988.1    
 B7019_1726   Bifidobacterium breve JCM 7019 AHJ19894.1    
 BBL520_08710   Bifidobacterium breve LMC520 AQM43607.1    
 EH245_08325   Bifidobacterium breve lw01 AZI17155.1    
 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
NP_695287.1
Q8G826  
 SAMN04489749_0698   Bifidobacterium longum Su859 SDO41863.1    
 BLIF_1436   Bifidobacterium longum subsp. infantis 157F BAJ71575.1    
 β-N-acetylhexosaminidase / β-N-acetylglucosaminidase (Blon_0459) 3.2.1.52 Bifidobacterium longum subsp. infantis ATCC 15697 = JCM 1222 = DSM 20088 ACJ51575.1 B7GN69  
 β-N-acetylhexosaminidase / β-N-acetylglucosaminidase (Blon_0732) 3.2.1.52 Bifidobacterium longum subsp. infantis ATCC 15697 = JCM 1222 = DSM 20088 ACJ51836.1 B7GPV6  
 β-N-acetylhexosaminidase / β-N-acetylglucosaminidase (Blon_2355) 3.2.1.52 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  
 DVB78_06885   Bifidobacterium longum subsp. longum BORI AXF98876.1    
 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    
 DQQ01_01980   Blautia sp. N6H1-15 KCTC 15426 AWY97120.1    
 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    
 DWV08_10860   Brachybacterium saurashtrense DSM 23186 AXK46060.1    
 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  
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