Glycoside Hydrolase Family 3

Activities in Familyβ-glucosidase (EC 3.2.1.21); xylan 1,4-β-xylosidase (EC 3.2.1.37); β-glucosylceramidase (EC 3.2.1.45); β-N-acetylhexosaminidase (EC 3.2.1.52); α-L-arabinofuranosidase (EC 3.2.1.55); glucan 1,3-β-glucosidase (EC 3.2.1.58); glucan 1,4-β-glucosidase (EC 3.2.1.74); isoprimeverose-producing oligoxyloglucan hydrolase (EC 3.2.1.120); coniferin β-glucosidase (EC 3.2.1.126); exo-1,3-1,4-glucanase (EC 3.2.1.-); β-N-acetylglucosaminide phosphorylases (EC 2.4.1.-)
Mechanism Retaining
Catalytic Nucleophile/BaseAsp (experimental);
Catalytic Proton DonorGlu for hydrolases (experimental); histidine for phosphorylases (experimental)
NoteA recent paper by Macdonald et al. (PMID=25533455) has shown that the enzymes that cleave b-hexosaminides are in fact retaining b-glycoside phosphorylases.
External resourcesCAZypedia; HOMSTRAD; PRINTS; PROSITE;
Commercial Enzyme Provider(s)MEGAZYME; PROZOMIX ;
Statistics GenBank accession (17231); Uniprot accession (2560); PDB accession (105); 3D entries (33); cryst (4)
All (16380) Archaea (94) Bacteria (15236) Eukaryota (949) Viruses (1) unclassified (100) Structure (33 - 4 cryst) Characterized (293)
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
Eukaryota
Protein Name EC#OrganismGenBank UniprotPDB/3D
 ORF (fragment)   Lophodermium sp. ZY-2014 AIJ50346.1    
 ORF (fragment)   Lophodermium sp. ZY-2014 AIJ50347.1    
 ORF (fragment)   Lophodermium sp. ZY-2014 AIJ50352.1    
 ORF (fragment)   Lophodermium sp. ZY-2014 AIJ50353.1    
 ORF (fragment)   Lophodermium sp. ZY-2014 AIJ50356.1    
 ORF (fragment)   Lophodermium sp. ZY-2014 AIJ50359.1    
 ORF (fragment)   Lophodermium sp. ZY-2014 AIJ50364.1    
 ORF (fragment)   Lophodermium sp. ZY-2014 AIJ50365.1    
 β-glucosidase 3.2.1.21 Magnaporthe grisea Y34 AAX07690.1 Q5EMW3  
 β-glucosidase (MoCel3B;MG03508.4) (Cel3B) 3.2.1.21 Magnaporthe oryzae 70-15 XP_360965.1 G4N7Z0  
 MG10038.4   Magnaporthe oryzae 70-15 XP_365193.1 G4N9A6  
 MG08250.4 (fragment)   Magnaporthe oryzae 70-15 XP_362798.1    
 MG10167.4   Magnaporthe oryzae 70-15 XP_365947.1    
 β-glucosidase (MoCel3A;MG09353.4) (Cel3A) 3.2.1.21 Magnaporthe oryzae 70-15 XP_364573.1 G4NI45  
 MG08985.4   Magnaporthe oryzae 70-15 XP_364140.1    
 MG08123.4   Magnaporthe oryzae 70-15 XP_362540.1    
 MG09272.4 (MoCel3F) (Cel3F)   Magnaporthe oryzae 70-15 XP_364427.1 G4MQA2  
 MG01396.4 (MoCel3D) (Cel3D)   Magnaporthe oryzae 70-15 XP_363470.1 G4MZH4  
 MGG_00621   Magnaporthe oryzae 70-15 XP_003718403.1
XP_368623.1
   
 MGG_12489   Magnaporthe oryzae 70-15 XP_003715843.1    
 MGG_11210   Magnaporthe oryzae 70-15 XP_003714391.1
XP_363514.1
XP_363515.1
   
 MGG_08583   Magnaporthe oryzae 70-15 XP_003716109.1
XP_362854.1
   
 MGG_01912   Magnaporthe oryzae 70-15 XP_003719348.1
EHA46981.1
XP_365210.1
   
 MGG_05599   Magnaporthe oryzae 70-15 XP_003710480.1
XP_360225.1
   
 MGG_01885   Magnaporthe oryzae 70-15 XP_003714903.1
XP_363958.1
   
 MGG_14903 (fragment)   Magnaporthe oryzae 70-15 XP_003719616.1
XP_361731.1
   
 MGG_07634 (fragment)   Magnaporthe oryzae 70-15 XP_003711559.1
XP_367723.1
   
 OOU_Y34scaffold00591g3   Magnaporthe oryzae Y34 ELQ37480.1
XP_364315.1
   
 OOU_Y34scaffold01031g15   Magnaporthe oryzae Y34 ELQ32819.1    
 MSYG_3929   Malassezia sympodialis ATCC 42132 SHO79579.1    
 α-L-arabinofuranosidase/β-D-xylosidase   Malus domestica ADI79208.1 D9D7L0  
 β-xylosidase / α-L-arabinosidase (Xyl1) 3.2.1.37
3.2.1.55
Medicago sativa subsp. x varia ABQ45227.1 A5JTQ2  
 β-xylosidase / α-L-arabinosidase (Xyl2)   Medicago sativa subsp. x varia ABQ45228.1 A5JTQ3  
 MtrDRAFT_AC148816g17v1 (fragment)   Medicago truncatula ABD28424.1    
 MtrDRAFT_AC148816g20v1   Medicago truncatula ABD28427.1 Q2HVM0  
 MtrDRAFT_AC152921g13v1 (fragment)   Medicago truncatula ABE78096.1    
 MtrDRAFT_AC145329g13v1 + MtrDRAFT_AC145329g14v1   Medicago truncatula ABE90987.1
ABE90988.1
ABP02856.1
ABP02857.1
   
 MtrDRAFT_AC148816g40v2   Medicago truncatula ABN05788.1 A2Q1G3  
 MtrDRAFT_AC126778g7v2   Medicago truncatula ABP02258.1    
 β-xylosidase   Medicago truncatula ABY48135.1 A9YWR3  
 BN887_05985   Melanopsichium pennsylvanicum 4 CDI54762.1    
 BN887_05607   Melanopsichium pennsylvanicum 4 CDI56639.1    
 MICPUN_58752   Micromonas commoda sp. RCC299 ACO63481.1 C1E6R7  
 GNLVRS01_PISO0L22935g (Piso0_004713)   Millerozyma farinosa CBS 7064 CCE85141.1    
 GNLVRS01_PISO0K22934g (Piso0_004713)   Millerozyma farinosa CBS 7064 CCE84110.1    
 GNLVRS01_PISO0H17035g (Piso0_003652)   Millerozyma farinosa CBS 7064 CCE81298.1    
 GNLVRS01_PISO0G17034g (Piso0_003652)   Millerozyma farinosa CBS 7064 CCE80533.1    
 GNLVRS01_PISO0H00623g (Piso0_002906)   Millerozyma farinosa CBS 7064 CCE80580.1    
 GNLVRS01_PISO0G00622g (Piso0_002906)   Millerozyma farinosa CBS 7064 CCE79815.1    
 β-glucosidase (HMPREF1544_06945) 3.2.1.21 Mucor circinelloides f. circinelloides 1006PhL EPB86303.1    
 β-glucosidase 1 (Bgl1) 3.2.1.21 Mucor javanicus NBRC 4572 BAO00904.1    
 β-glucosidase 2 (Bgl2) (partial) 3.2.1.21 Mucor javanicus NBRC 4572 BAO00905.1    
 glycoside hydrolase family 3, partial (fragment)   Mycosphaerella nawae BBA30849.1    
 β-glucanase (W5-16143) 3.2.1.21 Neocallimastix patriciarum W5 AEX92706.1    
 β-glucosidase (Bgs;NpaBGS) 3.2.1.21 Neocallimastix patriciarum W5 AFI47447.1    
 ORF   Nepenthes mirabilis AMN14869.1    
 ORF (fragment)   Neslia paniculata ADG38098.1 D6PP16  
 unnamed protein product   Neurospora crassa CAW52622.1
CBC23872.1
   
 B11H7.140 (fragment)   Neurospora crassa CAD71254.1 Q870T6  
 NCU04726.1 (B8I24.010)   Neurospora crassa OR74A CAE85548.1
XP_324083.1
   
 β-glucosidase (Bgl6;Gh3-3;NcGH3-3;NcCel3A;Ncrα-Bgl101;NCU08755) (Cel3A) 3.2.1.21 Neurospora crassa OR74A EAA26868.1
XP_330872.1
XP_956104.1
   
 NCU05577 (Bgl3;Gh3-5)   Neurospora crassa OR74A EAA31303.1
XP_325432.1
   
 NCU07487 (Bgl4;Gh3-6)   Neurospora crassa OR74A EAA35798.2
XP_327773.1
   
 NCU08054.1 (Bgl5;Gh3-2)   Neurospora crassa OR74A EAA35949.1
XP_328760.1
Q7SGM9  
 β-glucosidase (Bgl2;Gh3-4;NCU04952) 3.2.1.21 Neurospora crassa OR74A EAA30164.1
XP_324309.1
   
 NCU00709.1   Neurospora crassa OR74A XP_324889.1    
 β-xylosidase (Gh3-7;NCU09923) 3.2.1.37 Neurospora crassa OR74A CAB91343.2
CAW52623.1
CAW52647.1
CBC23874.1
CBC23924.1
XP_329671.1
Q9P627  
 NCU03641 (Bgl7;Gh3-1)   Neurospora crassa OR74A EAA32132.2
CAC28685.1
XP_322943.1
Q9C2C4  
 β-glucosidase 3.2.1.21 Nicotiana tabacum BAA33065.1 O82151  
 NtXYL   Nicotiana tabacum AFI25186.1    
 α-L-arabinofuranosidase/β-D-xylopyranosidase (fragment)   Nicotiana tabacum BAQ02862.1    
 β-glucosidase, partial (fragment)   Ochroconis sp. APF32771.1    
 BGL3   Orpinomyces sp. C1A ANS13824.1    
 unnamed protein product   Oryza sativa CAW52636.1
CBC23902.1
   
 unnamed protein product   Oryza sativa CAW52638.1
CAW96534.1
CAW96697.1
CAX01911.1
CAX07265.1
CBC23906.1
CBD30901.1
   
 unnamed protein product   Oryza sativa CAX07260.1
CAX01906.1
CBD30896.1
Q25AG9  
 B0414F07.1 (fragment)   Oryza sativa Indica Group CAJ86028.1    
 B1011H02.4   Oryza sativa Indica Group CAJ86207.1
CAJ86398.1
   
 OSIGBa0138H21-OSIGBa0138E01.14   Oryza sativa Indica Group CAH67823.1 B8AV76  
 Os03g0749500   Oryza sativa Japonica Group AAL58976.1
BAF13191.1
BAG93291.1
BAS86397.1
B9FBU0
Q8W2Z2
 
 Os03g0749300   Oryza sativa Japonica Group AAL58966.1
BAF13189.1
BAG89337.1
BAS86392.1
BAS86393.1
BAS86395.1
Q10CU9  
 Os03g0749100   Oryza sativa Japonica Group AAL58963.1
BAF13188.1
BAG92991.1
BAS86390.1
Q10CV2  
 Os04g0530700   Oryza sativa Japonica Group CAD41212.2
BAF15306.1
BAS90210.1
CAE03865.2
CAW52625.1
CAW96527.1
CAW96690.1
CAX01904.1
CAX07258.1
CBC23878.1
CBD30894.1
Q7X7M4
Q7X8R5
 
 Os04g0640700   Oryza sativa Japonica Group CAD41845.1
BAF15952.1
BAS91253.1
BAS91254.1
CAE02971.2
CAE02972.1
CAE03631.2
CAE03635.1
CAW52626.1
CAW52639.1
CAW96528.1
CAW96535.1
CAW96691.1
CAW96698.1
CAX01905.1
CAX01912.1
CAX07259.1
CAX07266.1
CBC23880.1
CBC23907.1
CBD30895.1
CBD30902.1
   
 Os02g0131400   Oryza sativa Japonica Group BAD07748.1
BAF07705.1
BAS76819.1
Q6ZG89  
 Os02g0752200   Oryza sativa Japonica Group BAD15656.1
BAD15557.1
BAF10054.1
BAS80957.1
CAW52624.1
CAW96526.1
CAW96689.1
CAX01903.1
CAX07257.1
CBC23876.1
CBD30893.1
Q6Z8I7  
 Os05g0449600 (fragment)   Oryza sativa Japonica Group BAF17615.1
AAU90111.1
BAG97693.1
BAS94316.1
Q0DHQ8  
 Os11g0291000   Oryza sativa Japonica Group AAX92967.1
AAX96039.1
BAF28072.1
BAT13631.1
Q53MR3  
 Os11g0291500   Oryza sativa Japonica Group AAX92971.1
AAX96035.1
BAF28073.1
BAT13635.1
CAW52635.1
CAW96532.1
CAW96695.1
CAX01909.1
CAX07263.1
CBC23899.1
CBD30899.1
Q53MP2  
 Os11g0297300   Oryza sativa Japonica Group AAX96800.1
BAF28088.1
BAT13665.1
Q53MP9  
 Os11g0297800   Oryza sativa Japonica Group AAX96805.1
BAF28089.1
BAG98945.1
BAT13669.1
CAW52637.1
CAW96533.1
CAW96696.1
CAX01910.1
CAX07264.1
CBC23904.1
CBD30900.1
Q53MQ1  
 Os11g0673200   Oryza sativa Japonica Group BAF28804.1
BAT15214.1
Q0IR61  
 Os11g0696400   Oryza sativa Japonica Group BAF28874.1
BAT15350.1
Q2QZ84  
 Os01g0771900   Oryza sativa Japonica Group BAB56084.2
BAB89846.1
BAF06301.1
BAS74561.1
Q94ED2  
 Os01g0296700   Oryza sativa Japonica Group BAB55751.1
BAF04720.1
BAS71690.1
CAW52621.1
CAW96525.1
CAW96688.1
CAX01902.1
CAX07256.1
CBC23870.1
CBD30892.1
Q94IY5  
 β-glucosidase   Oxybasis rubra AAP83934.1
CAW52641.1
CBC23912.1
Q7XJH8  
 β-glucosidase, partial (fragment)   Paecilomyces sp. APF32772.1    
 β-glucosidase (Bgl3;PtBglu3) 3.2.1.21 Paecilomyces sp. J18 ADM47481.1    
 β-glucosidase (Bgl1)   Parastagonospora nodorum S-83-2 AAT95381.1 Q68KX9  
 β-glucosidase (Bgl1)   Parastagonospora nodorum SN26-1 AAT95382.1 Q68KX7  
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