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 1,4-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.-); β-1,2-glucosidase (EC 3.2.1.-); β-1,3-glucosidase (EC 3.2.1.-); xyloglucan-specific exo-β-1,4-glucanase / exo-xyloglucanase (EC 3.2.1.155)
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 some 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 (32553); Uniprot accession (2560); PDB accession (148); 3D entries (53); cryst (4)
All (31598) Archaea (128) Bacteria (29805) Eukaryota (1560) Viruses (1) unclassified (104) Structure (53 - 4 cryst) Characterized (313)
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | ... | 16 |
Eukaryota
Protein Name EC#OrganismGenBank UniprotPDB/3D
 β-D-xylosidase   Acacia mangium BAO45878.1    
 secreted protein   Achlya hypogyna ATCC 48635 AIG55944.1    
 secreted protein   Achlya hypogyna ATCC 48635 AIG56284.1    
 secreted protein   Achlya hypogyna ATCC 48635 AIG55915.1    
 secreted protein (fragment)   Achlya hypogyna ATCC 48635 AIG55963.1    
 secreted protein   Achlya hypogyna ATCC 48635 AIG56285.1    
 glycoside hydrolase family 3 protein, partial (fragment)   Acidomyces sp. APF32768.1    
 α-rhamnosyl-β-glucosidase II   Acremonium sp. DSM 24697 QGN19489.1    
 α-L-arabinofuranosidase/β-D-xylosidase (Arf/xyl1) (fragment)   Actinidia deliciosa var. deliciosa ADV41671.1    
 Bg1   Agaricus bisporus D649 CAC03462.1 Q9HGX2  
 ALNC14_075190 (Alnc14c120g6656)   Albugo laibachii Nc14 CCA21376.1    
 ALNC14_132290   Albugo laibachii Nc14 CCA27085.1    
 ALNC14_138810   Albugo laibachii Nc14 CCA27737.1    
 ALNC14_075200   Albugo laibachii Nc14 CCA21377.1    
 CB5_LOCUS24789 (fragment)   Ananas comosus var. bracteatus VUW74204.1    
 CB5_LOCUS8724 (fragment)   Ananas comosus var. bracteatus VUW58145.1    
 CB5_LOCUS8762   Ananas comosus var. bracteatus VUW58183.1    
 CB5_LOCUS4212 (fragment)   Ananas comosus var. bracteatus VUW53635.1    
 CB5_LOCUS7917 (fragment)   Ananas comosus var. bracteatus VUW57339.1    
 At5g20940   Arabidopsis thaliana AAM12998.1
AED92909.1
NP_197594.1
Q8RWM4  
 At5g20950   Arabidopsis thaliana NP_197595.1
AAL58902.1
AAM13848.1
AAN13217.1
AED92910.1
AED92911.1
ANM70545.1
NP_851048.1
Q8W112  
 At5g04885   Arabidopsis thaliana BAF01189.1
AED90799.1
ANM68360.1
ANM68361.1
BAC42711.1
Q0WNW0
Q8GXR7
 
 AT5G09700 (fragment)   Arabidopsis thaliana AED91435.1    
 At3g47050/F13I12.100   Arabidopsis thaliana CAB61951.1
AEE78237.1
AEE78238.1
AEE78238.2
BAF00158.1
NP_190289.1
Q9SD68  
 At3g47040   Arabidopsis thaliana CAB61950.1
AEE78235.1
AEE78236.1
ANM64867.1
ANM64868.1
NP_190288.1
Q9SD69  
 At3g47010   Arabidopsis thaliana CAB61947.1
AAY25449.1
AEE78231.1
AEE78232.1
ANM63709.1
ANM63710.1
BAF00739.1
NP_190285.1
Q9SD72  
 At3g47000   Arabidopsis thaliana CAB61946.1
AAL32794.1
AAM13073.1
AAM13345.1
AAP37725.1
AEE78230.1
ANM65076.1
ANM65077.1
NP_190284.1
Q9SD73  
 At1g78060/F28K19.27 (AtBXL7)   Arabidopsis thaliana AAL57631.1
AAF17692.1
AEE36063.1
CAM55400.1
CAW52615.1
CAW52648.1
CBC23857.1
CBC23926.1
NP_177929.1
Q8VZG5
Q9SGZ5
 
 At3g62710   Arabidopsis thaliana CAB83121.1
AAL32734.1
AAM13308.1
AEE80382.1
NP_191830.1
Q9LZJ4  
 At5g10560/F12B17_90   Arabidopsis thaliana CAB89387.1
AAL09717.1
AED91563.1
BAC41913.1
CAW52617.1
CAW52642.1
CBC23862.1
CBC23914.1
NP_196618.1
Q8GZ32
Q9LXA8
 
 α-L-arabinofuranosidase / β-1,4-xylosidase (Xyl3;AtBX3;At5g09730) 3.2.1.37
3.2.1.55
Arabidopsis thaliana CAB89357.1
AAK96639.1
AED91439.1
BAB09531.1
CAL81217.1
CAW52616.1
CBC23860.1
NP_196535.1
Q9LXD6  
 At3g19620/MMB12.9   Arabidopsis thaliana BAB02547.1
AEE76268.1
CAW52610.1
CBC23847.1
CBD33470.1
NP_188596.1
Q9LJN4  
 α-L-arabinofuranosidase / β-D-xylosidase (Xyl1;BXL1;AtBXL1;At5g49360) 3.2.1.37
3.2.1.55
Arabidopsis thaliana BAB09906.1
AAM53325.1
AED95802.1
BAF00595.1
CAW52618.1
CAW96520.1
CAW96683.1
CAX01897.1
CAX07251.1
CBC23864.1
CBD30887.1
NP_199747.1
Q9FGY1  
 At1g02640 (Bxl2)   Arabidopsis thaliana AAK56255.1
AAG10624.1
AAN28891.1
AEE27453.1
CAW52620.1
CAW52646.1
CBC23868.1
CBC23922.1
NP_563659.1
Q94KD8
Q9FWY2
 
 β-xylosidase (Xyl4;AtBXL4;At5g64570) 3.2.1.37 Arabidopsis thaliana BAB11424.1
AED97922.1
ANM70278.1
ANM70279.1
BAD94481.1
CAW52619.1
CBC23866.1
NP_201262.1
Q9FLG1  
 DS421_17g573530   Arachis hypogaea QHN91285.1
QHN91283.1
QHN91284.1
   
 DS421_20g686270 (fragment)   Arachis hypogaea QHN81368.1    
 DS421_17g598640   Arachis hypogaea QHN94131.1
QHN94132.1
QHN94133.1
   
 DS421_16g549840   Arachis hypogaea QHN86845.1
QHN86846.1
   
 DS421_17g582800 (fragment)   Arachis hypogaea QHN92330.1
QHN92331.1
   
 DS421_16g549860   Arachis hypogaea QHN86848.1    
 DS421_19g673420   Arachis hypogaea QHN79842.1    
 DS421_19g648510   Arachis hypogaea QHN76960.1    
 DS421_20g684760   Arachis hypogaea QHN81197.1    
 DS421_16g532150   Arachis hypogaea QHN84834.1    
 DS421_3g97260   Arachis hypogaea QHO59212.1    
 DS421_3g103240   Arachis hypogaea QHO59950.1    
 DS421_13g428990   Arachis hypogaea QHO03046.1    
 DS421_13g434680   Arachis hypogaea QHO03736.1    
 DS421_14g454420   Arachis hypogaea QHO06410.1
QHO06411.1
   
 DS421_14g456870   Arachis hypogaea QHO06684.1    
 DS421_13g444190   Arachis hypogaea QHO04909.1    
 DS421_13g444200   Arachis hypogaea QHO04910.1    
 DS421_13g444210   Arachis hypogaea QHO04911.1    
 DS421_4g113870   Arachis hypogaea QHO37711.1    
 DS421_9g263850   Arachis hypogaea QHO34079.1    
 DS421_6g192310   Arachis hypogaea QHO46973.1
QHO46974.1
QHO46975.1
   
 DS421_1g04140   Arachis hypogaea QHO48274.1
QHO48275.1
   
 DS421_4g115890   Arachis hypogaea QHO37933.1
QHO37932.1
   
 DS421_5g171020   Arachis hypogaea QHO44433.1    
 DS421_6g175890   Arachis hypogaea QHO45062.1    
 DS421_9g279270   Arachis hypogaea QHO35899.1    
 DS421_10g292790   Arachis hypogaea QHO15194.1    
 DS421_11g321990   Arachis hypogaea QHO18610.1
QHO18611.1
   
 DS421_7g204490   Arachis hypogaea QHO27038.1
QHO27037.1
   
 DS421_10g314370   Arachis hypogaea QHO17701.1    
 DS421_10g314360   Arachis hypogaea QHO17700.1    
 DS421_7g213170 (fragment)   Arachis hypogaea QHO28037.1    
 DS421_8g230100   Arachis hypogaea QHO30060.1    
 EGX50909.1   Arthrobotrys oligospora ATCC 24927 EGX50909.1    
 EGX50684.1   Arthrobotrys oligospora ATCC 24927 EGX50684.1    
 EGX50141.1   Arthrobotrys oligospora ATCC 24927 EGX50141.1    
 EGX47439.1   Arthrobotrys oligospora ATCC 24927 EGX47439.1    
 EGX47431.1   Arthrobotrys oligospora ATCC 24927 EGX47431.1    
 EGX47427.1   Arthrobotrys oligospora ATCC 24927 EGX47427.1    
 EGX44387.1   Arthrobotrys oligospora ATCC 24927 EGX44387.1    
 EGX43696.1   Arthrobotrys oligospora ATCC 24927 EGX43696.1    
 EGX45322.1   Arthrobotrys oligospora ATCC 24927 EGX45322.1    
 β-xylosidase (Xyl1)   Aspergillus aculeatus F-50 BAH30674.1 C0STH3  
 β-xylosidase (Xyl2)   Aspergillus aculeatus F-50 BAH30675.1 C0STH4  
 β-glucosidase 1 (Bgl1;AaBGL1;AaBg1;AabG) 3.2.1.21 Aspergillus aculeatus F-50 BAA10968.1
AER93027.1
P48825 4IIB[A,B]
4IIC[A,B]
4IID[A,B]
4IIE[A,B]
4IIF[A,B]
4IIG[A,B]
4IIH[A,B]
 extracellular β-glucosidase (Bgl1)   Aspergillus avenaceus AAX39011.1 Q58IJ4  
 β-glucosidase (BglX) (fragment)   Aspergillus awamori BTMFW032 ACT98608.1 C7F6Y0  
 β-xylosidase (Xyl) 3.2.1.37 Aspergillus awamori K4 BAE19756.1
CAW52633.1
CBC23895.1
Q4AEG8  
 β-xylosidase (Xylx100) 3.2.1.37 Aspergillus awamori X-100 ACF61038.1 B5AK91
Q4AEG8
 
 β-glucosidase (Bgl1;NfBGL1) 3.2.1.21 Aspergillus fischeri P1 / CGMCC 3.15369 AIM56897.1    
 AFLA70_20g004951   Aspergillus flavus AF70 KOC10525.1    
 β-xylosidase   Aspergillus fumigatus ADH95739.1 D7RH17  
 β-1,4-xylosidase (Xld) 3.2.1.37 Aspergillus fumigatus ABA40420.1 Q0H905
Q4WRB0
 
 β-glucosidase (AfG;AFUA_8G02100) 3.2.1.21 Aspergillus fumigatus Af293 EAL84958.1    
 β-glucosidase (AfBG;AFUA_1G17410;Afu1g17410) 3.2.1.21 Aspergillus fumigatus Af293 EAL91070.1 Q4WR62  
 β-glucosidase 1 (Afum-Bgl101;AfbG;AFUA_1G05770;Afu1g05770) 3.2.1.21 Aspergillus fumigatus Af293 EAL88289.1
ABU35789.1
ACE10248.1
ACH05254.1
ACJ91428.1
Q4WJJ3 5FJI[A,B]
 β-glucosidase (BglW)   Aspergillus fumigatus WL002 AJA36818.1    
 β-glucosidase / cellulase (Bgl3) 3.2.1.21 Aspergillus fumigatus Z5 ADX78143.1    
 β-1,4-xylosidase (XylA) 3.2.1.37 Aspergillus japonicus MU-2 BAG82824.1 B6EY09  
 β-glucosidase A (BglA) 3.2.1.21 Aspergillus kawachii IFO4308 BAA19913.1 P87076  
 β-xylosidase (XlnD) 3.2.1.37 Aspergillus nidulans CAA73902.1 O42810
Q5BAS1
 
 AN2217.2   Aspergillus nidulans FGSC A4 EAA63874.1 C8VMK8
Q5BB63
 
 AN6652 (Anid-Bgl101)   Aspergillus nidulans FGSC A4 EAA58181.1 C8V1D9
Q5AYH8
 
 AN7396.2   Aspergillus nidulans FGSC A4 EAA61767.1 C8VCE8
Q5AWD4
 
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