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 (21009); Uniprot accession (2560); PDB accession (117); 3D entries (40); cryst (4)
All (20118) Archaea (104) Bacteria (18846) Eukaryota (1066) Viruses (1) unclassified (101) Structure (40 - 4 cryst) Characterized (300)
| 1 | ... | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 |
Eukaryota
Protein Name EC#OrganismGenBank UniprotPDB/3D
 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
BBC20965.1
   
 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
  5NBS[A,B]
 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  
 glycosyl hydrolase, partial   Oryza sativa Indica Group AXB87517.1    
 glycosyl hydrolase, partial   Oryza sativa Indica Group AXB87515.1    
 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
   
 glycosyl hydrolase, partial   Oryza sativa Japonica Group AXB87516.1    
 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. (in: Eurotiomycetes) APF32772.1    
 β-glucosidase (Bgl3;PtBglu3) 3.2.1.21 Paecilomyces sp. thermophila ADM47481.1    
 β-glucosidase (Bgl1)   Parastagonospora nodorum S-83-2 AAT95381.1 Q68KX9  
 β-glucosidase (Bgl1)   Parastagonospora nodorum SN26-1 AAT95382.1 Q68KX7  
 β-glucosidase (Bgl1)   Parastagonospora nodorum Sn37-1 AAT95383.1 Q68KX7  
 β-glucosidase (Bgl1)   Parastagonospora nodorum SN48-1 AAT95384.1 Q68KX6  
 ORF   Passalora fulva 0WU AQA29329.1    
 ORF   Passalora fulva 0WU AQA29360.1    
 β-glucosidase (Bgl1) 3.2.1.21 Penicillium brasilianum IBT 20888 ABP88968.1 A5A4M8  
 β-glucosidase I (Bgl1;BglI) 3.2.1.21 Penicillium decumbens 114-2 / JU-A10 ACD86466.1 B3GK87  
 β-glucosidase I (Bgl1;Dbgl1) 3.2.1.21 Penicillium decumbens CICC 40361 ADB82653.1 D3JUX2  
 PJ-06   Penicillium janthinellum PN2408 AGZ20486.1    
 β-glucosidase (Bgl1) (fragment)   Penicillium occitanis ABS71124.1 A7LKA2  
 PDE_01565   Penicillium oxalicum 114-2 EPS26627.1    
 Bgl (fragment)   Penicillium oxalicum GZ-2 AGW24289.1    
 β-xylosidase (β-x)   Penicillium oxalicum GZ-2 AGW24290.1    
 β-xylosidase 2   Penicillium oxalicum GZ-2 AIO06740.1    
 Pc12g02050   Penicillium rubens Wisconsin 54-1255 CAP79832.1 B6GZL4  
 Pc12g11110   Penicillium rubens Wisconsin 54-1255 CAP80738.1 B6GWV4  
 Pc16g08130   Penicillium rubens Wisconsin 54-1255 CAP93483.1 B6H7R5  
 Pc18g01940   Penicillium rubens Wisconsin 54-1255 CAP94418.1 B6HCL5  
 Pc20g13530   Penicillium rubens Wisconsin 54-1255 CAP86682.1 B6HGZ1  
 Pc21g13320   Penicillium rubens Wisconsin 54-1255 CAP96229.1 B6HMU2  
 Pc21g18230   Penicillium rubens Wisconsin 54-1255 CAP96720.1 B6HNV0  
 Pc12g03630   Penicillium rubens Wisconsin 54-1255 CAP79990.1 B6GWQ6  
 Pc16g03090   Penicillium rubens Wisconsin 54-1255 CAP92979.1 B6H8X1  
 Pc18g01310   Penicillium rubens Wisconsin 54-1255 CAP94355.1 B6HCA2  
 Pc20g10170   Penicillium rubens Wisconsin 54-1255 CAP86346.1 B6HFL8  
 Pc21g23540   Penicillium rubens Wisconsin 54-1255 CAP97251.1 B6HIR6  
 Pc22g08430 (fragment)   Penicillium rubens Wisconsin 54-1255 CAP98131.1 B6HSN9  
 Pc22g10060   Penicillium rubens Wisconsin 54-1255 CAP98294.1 B6HV87  
 Pc22g14710   Penicillium rubens Wisconsin 54-1255 CAP98759.1 B6HVA8  
 Pc22g15340   Penicillium rubens Wisconsin 54-1255 CAP98822.1 B6HVZ2  
 Pc22g24240   Penicillium rubens Wisconsin 54-1255 CAP99712.1 B6HQG9  
 β-glucosidase (BGL I) 3.2.1.21 Periconia sp. BCC 2871 ABX84365.1
AFH41575.1
A9UIG0  
 α-L-arabinofuranosidase/β-xylosidase (PaArf/Xyl3A)   Persea americana BAQ19511.1    
 Betα-glucosidase, partial (fragment)   Petriella setifera AXA98652.1
AXA98653.1
AXA98654.1
AXA98655.1
AXA98656.1
   
 β-glucosidase (Bgl1)   Phaeosphaeria avenaria f. sp. avenae 1920WRS AAU00983.1 Q68HW4  
 β-glucosidase (Bgl1)   Phaeosphaeria avenaria f. sp. avenae 1921WRS AAU00984.1 Q68HW4  
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