Glycoside Hydrolase Family 31

Activities in Familyα-glucosidase (EC 3.2.1.20); α-galactosidase (EC 3.2.1.22); α-mannosidase (EC 3.2.1.24); α-1,3-glucosidase (EC 3.2.1.84); sucrase-isomaltase (EC 3.2.1.48) (EC 3.2.1.10); α-xylosidase (EC 3.2.1.177); α-glucan lyase (EC 4.2.2.13); isomaltosyltransferase (EC 2.4.1.-); oligosaccharide α-1,4-glucosyltransferase (EC 2.4.1.161); sulfoquinovosidase (EC 3.2.1.-)
Mechanism Retaining
ClanGH-D
3D Structure Status( β / α ) 8 barrel
Catalytic Nucleophile/BaseAsp
Catalytic Proton DonorAsp
External resourcesCAZypedia; PROSITE;
Commercial Enzyme Provider(s)MEGAZYME;
Statistics GenBank accession (7388); Uniprot accession (1019); PDB accession (97); 3D entries (21); cryst (0)
All (6820) Archaea (87) Bacteria (6037) Eukaryota (687) unclassified (9) Structure (21) Characterized (123)
| 1 | 2 |
Eukaryota
Protein Name EC#OrganismGenBank UniprotPDB/3D
 α-glucosidase 3.2.1.20 Pseudozyma tsukubaensis CAA39501.1 P29064  
 sucrase-isomaltase (SI) 3.2.1.10
3.2.1.48
Rattus norvegicus AAA65097.1
NP_037193.1
P23739  
 sucrase-isomaltase (SI) 3.2.1.10
3.2.1.48
Rattus norvegicus AAA65097.1
CAA33552.1
NP_037193.1
P23739  
 α-glucosidase II (Gls2;Rot2;YBR229c;YBR1526) (ER) 3.2.1.20
3.2.1.84
Saccharomyces cerevisiae S288c CAA85192.1
NP_009788.1
P38138  
 α-glucosidase (Glz) 3.2.1.20 Saccharomycopsis fibuligera KZ CAF31354.1 Q701P0  
 α-glucosidase II (Gsl2;SPAC1002.03c) 3.2.1.84 Schizosaccharomyces pombe 972h- CAB65603.1
NP_593490.1
Q9US55  
 α-glucosidase (Agl1;Agl;SPAPB24D3.10c) 3.2.1.20 Schizosaccharomyces pombe 972h- CAC36906.1
BAB43946.1
NP_593996.1
Q9C0Y4  
 α-glucosidase (GAM1) 3.2.1.20 Schwanniomyces occidentalis ATCC 26074 BAE20170.1 Q401B1  
 α-glucosidase (glucoamylase) (Gam1;GAM1) 3.2.1.20 Schwanniomyces occidentalis ATCC 26076 AAA33923.1
CAA00795.1
P22861  
 α-glucosidase (Mal1) 3.2.1.20 Solanum tuberosum CAA04707.1 O24375  
 α-glucosidase (Mal2) 3.2.1.20 Solanum tuberosum CAB96077.1 Q9LEC9  
 α-glucosidase 3.2.1.20 Spinacia oleracea AAX04434.1
BAA19924.1
O04893  
 α-glucosidase II α-subunit (SfGII?) 3.2.1.20 Spodoptera frugiperda BAM78680.1    
 α-glucosidase II (Rot2;SsROT2) 3.2.1.20
3.2.1.84
Sporothrix schenckii EH206 AFG25509.1    
 sucrase-isomaltase (SI) 3.2.1.10
3.2.1.48
Suncus murinus BAA25370.1 O62653  
 sucrase-isomaltase (SI) 3.2.1.10
3.2.1.48
Suncus murinus BAA25370.1 O62653  
 α-glucosidase II 3.2.1.20
3.2.1.84
Sus scrofa AAB49757.1 P79403  
 α-glucosidase (acid) 3.2.1.20 Tetrahymena pyriformis BAA20462.1 O00906  
 α-xylosidase 3.2.1.177 Tropaeolum majus CAA10382.2 Q9ZP04  
 glucosidase II, α-subunit (GII) 3.2.1.20 Trypanosoma brucei brucei 427 CAI26256.1 Q5TIL4  
 α-glucosidase II (Gas1) 3.2.1.20 Ustilago maydis CL13 CAF05793.1 Q705V7  
 α-glucosidase (AlphaGlu;Xd-AlphaGlu) 3.2.1.20 Xanthophyllomyces dendrorhous MYA131 ALS55547.1    
 α-glucosidase II α-subunit (GII;YALI0B06600g) 3.2.1.84 Yarrowia lipolytica CLIB122 CAG82805.1 Q6CFI8  
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