Glycoside Hydrolase Family 31

Known Activitiesα-glucosidase (EC 3.2.1.20); 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.-).
Mechanism Retaining
ClanGH-D
3D Structure Status( β / α ) 8 barrel
Catalytic Nucleophile/BaseAsp
Catalytic Proton DonorAsp
External resourcesCAZypedia; InterPro; PFAM; PROSITE;
Commercial Enzyme Provider(s)MEGAZYME;
Statistics GenBank accession (1874); Uniprot accession (949); PDB accession (38); 3D entries (7); cryst (0)
All (1523) Archaea (49) Bacteria (1108) Eukaryota (364) unclassified (2) Structure (7 ) Characterized (95)
Archaea
Protein Name EC#OrganismGenBankUniprotPDB/3D
 α-glucosidase (AglA;PTO0092) 3.2.1.20 Picrophilus torridus DSM 9790 AAT42677.1 Q6L2X4  
 α-glucosidase (MalA;Sso1_0793) 3.2.1.20 Sulfolobus solfataricus 98/2 AAC38215.1
ACX91047.1
AET42970.1
D0KQM8
O59645.1
2G3M[A,B,C,D,E,F]
2G3N[A,B,C,D,E,F]
 α-xylosidase (XylS;SS03022) 3.2.1.177 Sulfolobus solfataricus P2 AAK43123.1
CAB99206.1
CAC24044.1
NP_344333.1
Q9P999  
 α-glucosidase (MalA;SSO3051) 3.2.1.20 Sulfolobus solfataricus P2 AAK43151.1
AAO97625.1
ABJ38303.1
ABJ38315.1
ABJ38324.1
ACW20068.1
ACW20079.1
ACW20080.1
CAC24058.1
NP_344361.1
   
 α-glucosidase (AglA;Ta0298) 3.2.1.20 Thermoplasma acidophilum DSM 1728 CAC11443.1
NP_393778.1
Q9HLD0  
Bacteria
Protein Name EC#OrganismGenBankUniprotPDB/3D
 6-α-glucosyltransferase (CtsZ;6GT) 2.4.1.- Arthrobacter globiformis A19 BAD34980.1 Q6BD65  
 3-α-isomaltosyltransferase (CtsY;IMT) 2.4.1.- Arthrobacter globiformis A19 BAD34979.1 Q6BD67  
 α-glucosidase II / oligo-α-1,6-glucosidase (BthG II) 3.2.1.10
3.2.1.20
Bacillus thermoamyloliquefaciens KP1071 (FERM-P8477) BAA76396.1 Q9F234  
 α-xylosidase 31A (CJA_2706) (Xyl31A) 3.2.1.177 Cellvibrio japonicus Ueda107 ACE86259.1 B3PBD9 2XVG[A]
2XVK[A]
2XVL[A]
 α-xylosidase (YicI;b3656) 3.2.1.177 Escherichia coli K-12 MG1655 AAA62009.1
AAC76680.1
NP_418113.1
P31434.2 1WE5[A,B,C,D,E,F]
1XSI[A,B,C,D,E,F]
1XSJ[A,B,C,D,E,F]
1XSK[A,B,C,D,E,F]
2F2H[A,B,C,D,E,F]
 α-glucosidase (YihQ) 3.2.1.20 Escherichia coli K-12 MG1655 AAB03011.1
AAC76875.1
NP_418314.1
P32138.3  
 α-xylosidase (YicI) 3.2.1.177 Escherichia coli str. K-12 substr. W3110 BAE77637.1    
 α-1,3-glucosidase (LjAg31) (fragment) 3.2.1.84 Lactobacillus johnsonii NBRC 13952 ACO57638.1 C1KIT5  
 α-xylosidase (XylQ) 3.2.1.177 Lactobacillus pentosus MD353 AAC62251.1 P96793  
 α-glucosidase / maltase-glucoamylase (RUMOBE_03919) 3.2.1.20 Ruminococcus obeum ATCC 29174 ZP_01966167.1 A5ZY13 3FFJ[A,B]
3M46[A,B]
3M6D[A,B]
3MKK[A,B]
3N04[A,B]
3NQQ[A,B]
3NSX[A,B]
3NUK[A,B]
3NXM[A,B,C,D]
3PHA[A,B,C,D]
3POC[A,B]
 isomaltosyltransferase (CtsW) 2.4.1.- Sporosarcina globispora C11 BAB88401.1 Q8RQV2  
 3-α-isomaltosyltransferase (CtsY) 2.4.1.- Sporosarcina globispora C11 ABJ31058.1
BAB88403.1
Q8RQV0  
 6-glucosyltransferase (CtsZ) 2.4.1.- Sporosarcina globispora C11 BAB88404.1 Q8RQU9  
 3-α-isomaltosyltransferase (CtsY;IMT) 2.4.1.- Sporosarcina globispora N75 ABJ31059.1
BAC54957.1
Q84IQ3  
 6-α-glucosyltransferase (CtsZ;6GT) 2.4.1.- Sporosarcina globispora N75 BAC54958.1 Q84IQ2  
 α-glucosidase 3.2.1.20 Thermoanaerobacter ethanolicus JW 200 ABR26230.1    
 α-glucosidase (GluA;TTE0006) 3.2.1.20 Thermoanaerobacter tengcongensis MB4 AAM23323.1
NP_621719.1
Q8RDL1  
Eukaryota
Protein Name EC#OrganismGenBankUniprotPDB/3D
 α-glucosidase / α-1,3-glucosidase (Aig) 3.2.1.20
3.2.1.84
Acremonium implicatum BAD08418.1 Q75QW0  
 α-glucosidase 1 (Aglu1;Aglu-1;At5g11720) 3.2.1.20 Arabidopsis thaliana AAB82656.1
AAK96644.1
AAN72233.1
AAX04435.1
AED91714.1
CAB87690.1
NP_196733.1
O22444
Q9LYF8
 
 α-glucosidase / α-xylosidase (AtXyl1;AXY3;AtGlu2;Aglu2;Aglu-2;At1g68560) 3.2.1.177
3.2.1.20
Arabidopsis thaliana AAD05539.1
AAD37363.1
AAD49987.1
AAL09716.1
AAO11591.1
AEE34811.1
NP_177023.1
Q9S7Y7
Q9ZP26
 
 α-glucosidase II (Rsw3;Aglu3;Aglu-3;At5g63840) (RSW3) 3.2.1.84 Arabidopsis thaliana AED97803.1
BAB11032.1
NP_201189.1
Q9FN05  
 α-glucosidase (α-G I;α-GI) 3.2.1.20 Aspergillus awamori KT-11 BAD06006.1 Q76KT3  
 α-glucosidase (AgdB;AN8953.2) 3.2.1.20 Aspergillus nidulans FGSC A4 EAA63748.1 C8VLA3  
 α-glucosidase (AgdC;AN7345.2) 3.2.1.20 Aspergillus nidulans FGSC A4 ABF50883.1
EAA61716.1
C8VCK6  
 α-glucosidase (AgdE;AN0941.2) 3.2.1.20 Aspergillus nidulans FGSC A4 ABF50846.1
EAA65970.1
   
 α-xylosidase (AgdD;AN7505) 3.2.1.177 Aspergillus nidulans FGSC A4 ABF50885.1
EAA62085.1
C8VBI7  
 α-glucosidase (AgdA;AN2017.2) 3.2.1.20 Aspergillus nidulans FGSC A4 AAF17102.1
EAA64849.1
C8VLE5  
 α-xylosidase (AX;AxlA;Aspni5|43342) 3.2.1.177 Aspergillus niger ATCC 1015      
 α-glucosidase (AgdA;An04g06920;AglU) 3.2.1.20 Aspergillus niger CBS 513.88 CAK44692.1 A2QJF7  
 α-glucosidase (AglA) 3.2.1.20 Aspergillus niger GN-3 AAB23581.1
BAA23616.1
BAF37801.1
A0PCH8
P56526.1
 
 glucosidase II α-subunit P2 (Gls2A) 3.2.1.84 Aspergillus niger N402 ACF60497.1 B5AFM4  
 α-1,3-glucosidase II α-subunit (AoGls2a;G-II;AO090102000559) 3.2.1.84 Aspergillus oryzae RIB40 BAE61578.1    
 α-glucosidase (AgdA;Agl; AO090003001209) 3.2.1.20 Aspergillus oryzae RIB40 BAA08125.1
BAA95702.1
BAE58289.1
Q12558  
 α-glucosidase (AgdA) 3.2.1.20 Aspergillus oryzae ZL-1      
 α-glucosidase 3.2.1.20 Beta vulgaris AAX04433.1
BAA20343.1
O04931.1  
 acidic α-glucosidase 3.2.1.20 Bos taurus AAF81636.1
AAF81637.1
NP_776338.1
Q9MYM4  
 α-glucosidase (peptide fragment) 3.2.1.20 Brassica oleracea var. italica      
 α-glucosidase ( Aagr-1;D2096.3/D2096.12) 3.2.1.20 Caenorhabditis elegans Bristol N2 AAA81491.1
AAO91743.1
NP_501419.1
Q19004  
 α-glucosidase (Aagr-3;F40F9.6) 3.2.1.20 Caenorhabditis elegans Bristol N2 CAA94764.1
CAB54240.1
NP_505507.1
Q20239  
 α-glucosidase (Aagr-4;F52D1.1) 3.2.1.20 Caenorhabditis elegans Bristol N2 AAB71267.2
AAB71267.3
CCD70824.1
NP_508105.1
O17352  
 α-glucosidase (Aagr-2:Msp-31;R05F9.12;ZK546.10) 3.2.1.20 Caenorhabditis elegans Bristol N2 AAA68743.1
AAA83174.3
CCD69278.1
NP_494897.3
Q21750  
 α-glucosidase (glucoamylase) (Gca1) 3.2.1.20 Candida albicans AAC31968.1
AAV04403.1
O74254.1  
 α-glucosidase II (Rot2;CaO19.8589) 3.2.1.20
3.2.1.84
Candida albicans SC5314 EAK97887.1    
 α-glucosidase (Gaa1) 3.2.1.20 Coturnix japonica BAA25884.1
BAC15595.1
O73626  
 acid α-glucosidase (Gaa2;GAAII) 3.2.1.20 Coturnix japonica BAA25890.2
BAC15596.1
O73632  
 α-glucosidase B (AgdB) 3.2.1.20 Emericella nidulans BAB39856.1 Q9C1S7  
 α-1,4-glucan lyase isozyme 1 (GLq1;Ag111) 4.2.2.13 Gracilariopsis lemaneiformis AAR66623.1
ABA16064.1
CAB51910.1
Q9STC1 2X2H[A,B,C,D]
2X2I[A,B,C,D]
2X2J[A,B,C,D]
 α-1,4-glucan lyase isozyme 2 (GLq2;Ag112) 4.2.2.13 Gracilariopsis lemaneiformis AAR66624.1
ABA16065.1
CAB51911.1
Q9STC0  
 α-1,4-glucan lyase isozyme 4 (GLs1;Ag114) 4.2.2.13 Gracilariopsis lemaneiformis AAP61561.1
ABA16068.1
CAB51909.1
Q9STC2  
 α-1,4-glucan lyase isozyme 5 (GLs2;Ag115) (fragment) 4.2.2.13 Gracilariopsis lemaneiformis AAP61562.1
ABA16069.1
CAB51913.1
Q9STB8  
 α-glucosidase A (GAA) (lysosomal) 3.2.1.20 Homo sapiens AAA52506.1
AAB33842.1
AAH40431.1
ABI53718.1
ACM80396.1
ACM84029.1
BAH13042.1
CAA38907.1
CAA68763.1
CAA68764.1
CAC12967.1
CAE85448.1
NP_000143.1
P10253.2
P10253.2
Q8IWE7
 
 α-glucosidase II (GanAB;G2AN;KIAA0088 ) 3.2.1.20
3.2.1.84
Homo sapiens AAF66685.1
AAH17433.2
AAH17435.2
AAH65266.1
BAA07642.1
BAG58624.1
BAG58692.1
BAG61688.1
BAG63965.1
CAA04006.1
XP_043268.1
Q14697
Q14697.3
 
 maltase-glucoamylase (MgaM;Mga;MGAML) 3.2.1.20 Homo sapiens AAC39568.2
AAI20873.1
AAL83560.1
NP_004659.1
O43451.4
Q8TE24
3TON[A,B]
3TOP[A,B]
 maltase-glucoamylase (MgaM;Mga;MGAML) 3.2.1.20 Homo sapiens AAC39568.2
AAI20873.1
AAL83560.1
AAP21875.1
NP_004659.1
O43451.4
Q86UM5
Q8TE24
2QLY[A]
2QMJ[A]
3CTT[A]
3L4T[A]
3L4U[A]
3L4V[A]
3L4W[A]
3L4X[A]
3L4Y[A]
3L4Z[A]
 sucrase-isomaltase (SI) 3.2.1.48 Homo sapiens AAI15035.1
AAI16453.1
AAI16454.1
AAI32835.1
AAI32861.1
AAT18166.1
AAT19036.1
ABH87017.1
ACM85129.1
ACP58672.1
CAA45140.1
NP_001032.1
P14410.4  
 sucrase-isomaltase (SI) 3.2.1.10
3.2.1.48
Homo sapiens AAA60551.1
AAI15035.1
AAI16453.1
AAI16454.1
AAI32835.1
AAI32861.1
AAT18166.1
AAT19036.1
ABH87017.1
ACM85129.1
ACP58672.1
CAA45140.1
NP_001032.1
P14410.4 3LPO[A,B,C,D]
3LPP[A,B,C,D]
 α-glucosidase 3.2.1.20 Hordeum vulgare AAB02985.1
AAX04432.1
Q43763  
 α-glucosidase (Agl1;Agl97) 3.2.1.20 Hordeum vulgare subsp. vulgare AAF76254.1
ACZ37234.1
ACZ37244.1
ACZ37249.1
BAJ89297.1
D1MDV2
Q9LLY2
 
 α-glucosidase 3.2.1.20 Litopenaeus vannamei CAB85963.1 Q9NFY8  
 α-1,4-glucan lyase (Agll1) 4.2.2.13 Morchella costata AAE24522.1
AAR66625.1
ABA16066.1
CAB52260.1
Q9UVZ2  
 α-1,4-glucan lyase (Agll1) 4.2.2.13 Morchella vulgaris AAE24523.1
AAR66626.1
ABA16067.1
CAB52201.1
Q9UVZ1  
 α-glucosidase (AgdA) 3.2.1.20 Mortierella alliacea YN-15 BAC57563.1 Q876Z7  
 α-glucosidase 3.2.1.20 Mucor javanicus BAA11053.1 Q92442  
 α-glucosidase (lysosomal) 3.2.1.20 Mus musculus AAB06943.1
AAH10210.1
BAC34888.1
BAC40382.1
BAE23960.1
BAE27243.1
BAE30001.1
CAM15004.1
CAM15005.1
CAM15006.1
CAM15007.1
NP_032090.2
A2AFL4
P70699
P70699.2
 
 α-glucosidase II (GanAB;G2an;Kiaa0088 ) 3.2.1.20
3.2.1.84
Mus musculus AAC53182.1
AAH94437.1
AAI17889.1
AAI17890.1
AAI28070.1
BAB30982.1
BAC27099.1
BAC38370.1
BAC65483.1
BAE29025.1
NP_032086.1
A1A4T2
Q149A6
Q8BHN3
Q8BHN3.1
 
 sucrase-isomaltase (SI) 3.2.1.20
3.2.1.20
3.2.1.48
Oryctolagus cuniculus AAA31459.1 P07768.3  
 sucrase-isomaltase (SI) 3.2.1.10
3.2.1.20
Oryctolagus cuniculus AAA31459.1 P07768.3  
 α-glucosidase (Ong2;Ong-2;Ong3;OngX-H3;Os06g0675700) 3.2.1.20 Oryza sativa Japonica Group BAD45910.1
BAF20261.1
Q0DA62
Q653V7
 
 α-glucosidase (Ong1;OngX-H1;Os06g0676700) 3.2.1.20 Oryza sativa Japonica Group BAD45516.1
BAD45913.1
BAF20267.1
Q653V4  
 α-xylosidase (Ong4;OngX-H4;Os01g0130400) 3.2.1.177 Oryza sativa Japonica Group BAA99366.1
BAF03836.1
BAG95494.1
Q9LGC6  
 α-1,3-glucosidase (PAG;Pa_2_60) 3.2.1.20
3.2.1.84
Podospora anserina S mat+ CAP72574.1 B2B450  
 α-glucosidase 3.2.1.20 Pseudozyma tsukubaensis CAA39501.1 P29064.1  
 sucrase-isomaltase (SI) 3.2.1.10
3.2.1.48
Rattus norvegicus AAA65097.1
NP_037193.1
P23739.5  
 sucrase-isomaltase (SI) 3.2.1.10
3.2.1.48
Rattus norvegicus AAA65097.1
CAA33552.1
NP_037193.1
P23739.5  
 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- BAB43946.1
CAC36906.1
NP_593996.1
Q9C0Y4  
 α-glucosidase (glucoamylase) (Gam1) 3.2.1.20 Schwanniomyces occidentalis AAA33923.1
CAA00795.1
P22861.1  
 α-glucosidase (GAM1) 3.2.1.20 Schwanniomyces occidentalis ATCC 26074 BAE20170.1 Q401B1  
 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
O04893.1  
 sucrase-isomaltase (SI) 3.2.1.10
3.2.1.48
Suncus murinus BAA25370.1 O62653.3  
 sucrase-isomaltase (SI) 3.2.1.10
3.2.1.48
Suncus murinus BAA25370.1 O62653.3  
 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 O00906.1  
 α-xylosidase 3.2.1.177 Tropaeolum majus CAA10382.2 Q9ZP04  
 glucosidase II, α-subunit 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  

Footnotes

Experimental characterization exclusively covers enzyme activities at present. If you are aware of any missing experimental characterization that should be mentioned here, we encourage you to send your comment and support of the experimental evidence, including an electronic copy or appropriate link to the support material (i.e., article(s), thesis, database, etc), to cazy@afmb.univ-mrs.fr.





Last update: 2012-01-31 © Copyright 1998-2012
AFMB - CNRS - Universités Aix-Marseille I & II