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
 CCB80_06345   Armatimonadetes bacterium Uphvl-Ar1 ARU40779.1    
 CCB80_07455 (fragment)   Armatimonadetes bacterium Uphvl-Ar1 ARU40987.1    
 CCB81_11295   Armatimonadetes bacterium Uphvl-Ar2 ARU44692.1    
 CCB81_12150   Armatimonadetes bacterium Uphvl-Ar2 ARU44852.1    
 CCB81_03495   Armatimonadetes bacterium Uphvl-Ar2 ARU43267.1    
 CCB81_03690   Armatimonadetes bacterium Uphvl-Ar2 ARU43304.1    
 AS189_01275   Arthrobacter alpinus ERGS4:06 ALO65373.1    
 AS189_12185   Arthrobacter alpinus ERGS4:06 ALO67122.1    
 AS189_07675   Arthrobacter alpinus ERGS4:06 ALO66393.1    
 AS189_09115 (fragment)   Arthrobacter alpinus ERGS4:06 ALO66618.1    
 MB46_04335   Arthrobacter sp. A3 ALV44851.1    
 MB46_10470 (fragment)   Arthrobacter sp. A3 ALV45844.1    
 MB46_06435 (fragment)   Arthrobacter sp. A3 ALV45197.1    
 AUT26_03925   Arthrobacter sp. ATCC 21022 AMB39450.1    
 AL755_05045   Arthrobacter sp. ERGS1:01 ALE07570.1    
 AL755_07895   Arthrobacter sp. ERGS1:01 ALE05416.1    
 AL755_21000   Arthrobacter sp. ERGS1:01 ALE07381.1    
 AL755_20995   Arthrobacter sp. ERGS1:01 ALE07380.1    
 AL755_15120   Arthrobacter sp. ERGS1:01 ALE06479.1    
 AHiyo8_35960   Arthrobacter sp. Hiyo8 BAS15293.1    
 ART_3619 (fragment)   Arthrobacter sp. PAMC 25486 AIY03218.1    
 ART_4152 (fragment)   Arthrobacter sp. PAMC 25486 AIY03751.1    
 ARUE_c08810 (HeX)   Arthrobacter sp. Rue61a AFR27805.1    
 ARUE_c42340 (NahA)   Arthrobacter sp. Rue61a AFR31106.1    
 chitobiase (Chb;ArChb) 3.2.1.52 Arthrobacter sp. TAD20 CAB72127.1 Q9L448  
 CGK93_04710   Arthrobacter sp. YN ASN19066.1    
 ARZXY2_3105   Arthrobacter sp. ZXY-2 AOY72628.1    
 Asbog_02113   Asaia bogorensis NBRC 16594 BAT20369.1    
 Astex_3354   Asticcacaulis excentricus CB 48 ADU14987.1 C5SKF4  
 SAMN04489747_0435   Auraticoccus monumenti MON 2.2 SDD20584.1    
 SAMN04489747_0755   Auraticoccus monumenti MON 2.2 SDD34563.1    
 SAMN04489747_1886   Auraticoccus monumenti MON 2.2 SDD84819.1    
 BBEV_3184   Bacillus beveridgei MLTeJB AOM84499.1    
 Bcell_3703   Bacillus cellulosilyticus DSM 2522 ADU31943.1 D2M1R3  
 AM500_17425   Bacillus sp. FJAT-18017 ALC91381.1    
 BRDCF_00065   Bacteroidales bacterium CF AGX07072.1
AGY52639.1
   
 BRDCF_07370   Bacteroidales bacterium CF AGX08479.1
AGY54068.1
   
 BRDCF_09425   Bacteroidales bacterium CF AGX08873.1
AGY54482.1
   
 CGC64_16470   Bacteroides caccae ATCC 43185 ASM67367.1    
 CGC64_17775   Bacteroides caccae ATCC 43185 ASM67541.1    
 CGC64_08295   Bacteroides caccae ATCC 43185 ASM65959.1    
 CGC64_16360   Bacteroides caccae ATCC 43185 ASM67353.1    
 CGC64_16515   Bacteroides caccae ATCC 43185 ASM67373.1    
 CGC64_11190   Bacteroides caccae ATCC 43185 ASM66469.1    
 CGC64_06040   Bacteroides caccae ATCC 43185 ASM65558.1    
 CGC64_11170   Bacteroides caccae ATCC 43185 ASM66465.1    
 CGC64_11195   Bacteroides caccae ATCC 43185 ASM66470.1    
 CGC64_08530   Bacteroides caccae ATCC 43185 ASM66004.1    
 CGC64_17400   Bacteroides caccae ATCC 43185 ASW16402.1    
 CGC64_17385 (fragment)   Bacteroides caccae ATCC 43185 ASW16390.1    
 A4V03_00565   Bacteroides caecimuris I48 ANU56245.1
ANU56245.2
   
 A4V03_06880   Bacteroides caecimuris I48 ANU57324.1    
 A4V03_15000   Bacteroides caecimuris I48 ANU58708.1    
 A4V03_00090   Bacteroides caecimuris I48 ANU56166.1    
 A4V03_06885   Bacteroides caecimuris I48 ANU57325.1    
 BcellWH2_01811   Bacteroides cellulosilyticus WH2 ALJ59064.1    
 BcellWH2_02351   Bacteroides cellulosilyticus WH2 ALJ59591.1    
 BcellWH2_03673   Bacteroides cellulosilyticus WH2 ALJ60896.1    
 BcellWH2_04347   Bacteroides cellulosilyticus WH2 ALJ61564.1    
 BcellWH2_02122   Bacteroides cellulosilyticus WH2 ALJ59365.1    
 BcellWH2_03463   Bacteroides cellulosilyticus WH2 ALJ60692.1    
 BcellWH2_03464   Bacteroides cellulosilyticus WH2 ALJ60693.1    
 ABI39_21335   Bacteroides dorei CL03T12C01 AND21645.1    
 ABI39_02805   Bacteroides dorei CL03T12C01 AND18499.1    
 ABI39_21305   Bacteroides dorei CL03T12C01 AND21639.1    
 ABI39_05495   Bacteroides dorei CL03T12C01 AND18953.1    
 ABI39_00450   Bacteroides dorei CL03T12C01 AND21687.1    
 ABI39_21315   Bacteroides dorei CL03T12C01 AND21641.1    
 ABI39_16920   Bacteroides dorei CL03T12C01 AND20902.1    
 ABI39_18035   Bacteroides dorei CL03T12C01 AND21093.1    
 ABI39_10825   Bacteroides dorei CL03T12C01 AND19829.1    
 EL88_09525   Bacteroides dorei isolate HS1_L1_B_010 AII63398.1    
 EL88_15605   Bacteroides dorei isolate HS1_L1_B_010 AII64493.1    
 EL88_15595   Bacteroides dorei isolate HS1_L1_B_010 AII64491.1    
 EL88_00540   Bacteroides dorei isolate HS1_L1_B_010 AII61764.1    
 EL88_15625   Bacteroides dorei isolate HS1_L1_B_010 AII64497.1    
 EL88_03640   Bacteroides dorei isolate HS1_L1_B_010 AII62313.1    
 EL88_16270   Bacteroides dorei isolate HS1_L1_B_010 AII64613.1    
 EL88_10885   Bacteroides dorei isolate HS1_L1_B_010 AII63638.1    
 EL88_22060   Bacteroides dorei isolate HS1_L1_B_010 AII65670.1    
 GV66_22010   Bacteroides dorei isolate HS1_L3_B_079 AII70174.1    
 GV66_02880   Bacteroides dorei isolate HS1_L3_B_079 AII66723.1    
 GV66_00495   Bacteroides dorei isolate HS1_L3_B_079 AII66283.1    
 GV66_17495   Bacteroides dorei isolate HS1_L3_B_079 AII69371.1    
 GV66_22030   Bacteroides dorei isolate HS1_L3_B_079 AII70178.1    
 GV66_11210   Bacteroides dorei isolate HS1_L3_B_079 AII68240.1    
 GV66_18675   Bacteroides dorei isolate HS1_L3_B_079 AII69578.1    
 GV66_05605   Bacteroides dorei isolate HS1_L3_B_079 AII67215.1    
 GV66_22000   Bacteroides dorei isolate HS1_L3_B_079 AII70172.1    
 IY41_00460   Bacteroides dorei isolate HS2_L_2_B_045b ALA72133.1    
 IY41_02750   Bacteroides dorei isolate HS2_L_2_B_045b ALA72521.1    
 IY41_05730   Bacteroides dorei isolate HS2_L_2_B_045b ALA73024.1    
 IY41_11455   Bacteroides dorei isolate HS2_L_2_B_045b ALA74003.1    
 IY41_22370   Bacteroides dorei isolate HS2_L_2_B_045b ALA75888.1    
 IY41_22350   Bacteroides dorei isolate HS2_L_2_B_045b ALA75884.1    
 IY41_22340   Bacteroides dorei isolate HS2_L_2_B_045b ALA75882.1    
 IY41_19605   Bacteroides dorei isolate HS2_L_2_B_045b ALA75422.1    
 BF638R_3111   Bacteroides fragilis 638R CBW23586.1 E1WTK9  
 BF638R_0386 (NahA)   Bacteroides fragilis 638R CBW20983.1 E1WKH0  
 BF638R_1735 (NahC)   Bacteroides fragilis 638R CBW22261.1 E1WUA9  
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