Glycoside Hydrolase Family 13 / Subf 23

Activities in Familyα-amylase (EC 3.2.1.1); pullulanase (EC 3.2.1.41); cyclomaltodextrin glucanotransferase (EC 2.4.1.19); cyclomaltodextrinase (EC 3.2.1.54); trehalose-6-phosphate hydrolase (EC 3.2.1.93); oligo-α-glucosidase (EC 3.2.1.10); maltogenic amylase (EC 3.2.1.133); neopullulanase (EC 3.2.1.135); α-glucosidase (EC 3.2.1.20); maltotetraose-forming α-amylase (EC 3.2.1.60); isoamylase (EC 3.2.1.68); glucodextranase (EC 3.2.1.70); maltohexaose-forming α-amylase (EC 3.2.1.98); maltotriose-forming α-amylase (EC 3.2.1.116); branching enzyme (EC 2.4.1.18); trehalose synthase (EC 5.4.99.16); 4-α-glucanotransferase (EC 2.4.1.25); maltopentaose-forming α-amylase (EC 3.2.1.-) ; amylosucrase (EC 2.4.1.4) ; sucrose phosphorylase (EC 2.4.1.7); malto-oligosyltrehalose trehalohydrolase (EC 3.2.1.141); isomaltulose synthase (EC 5.4.99.11); malto-oligosyltrehalose synthase (EC 5.4.99.15); amylo-α-1,6-glucosidase (EC 3.2.1.33); α-1,4-glucan: phosphate α-maltosyltransferase (EC 2.4.99.16); 6'-P-sucrose phosphorylase (EC 2.4.1.-); amino acid transporter
Activities in Sub Family
Mechanism Retaining
ClanGH-H
3D Structure Status( β / α ) 8
Catalytic Nucleophile/BaseAsp (experimental)
Catalytic Proton DonorGlu (experimental)
NoteNew: many members have been assigned to subfamilies as described by Stam et al. (2006) Protein Eng Des Sel. 19, 555-562 (PMID: 17085431)
External resourcesCAZypedia; EBI Protein of the Month; HOMSTRAD; PDB Molecule of the Month; PRINTS;
Commercial Enzyme Provider(s)MEGAZYME; PROZOMIX;
Statistics GenBank accession (987); Uniprot accession (171); PDB accession (4); 3D entries (1); cryst (0)
Bacteria
Protein Name EC#OrganismGenBank UniprotPDB/3DSubf
 oligo-α-1,6-glucosidase 3.2.1.10 Bacillus flavocaldarius KP1228 BAB18518.1
CBF79207.1
Q9F237   23
 α-glucosidase (AglA;HaG) 3.2.1.20 Halomonas sp. H11 BAL49684.1   3WY1[A,B]
3WY2[A,B]
3WY3[A,B]
3WY4[A,B]
23
 α-glucosidase 3.2.1.20 Thermus caldophilus GK24 AAD50603.1
CBF79218.1
Q9RA62   23
 α,α-trehalase / α-glucosidase (TTC0107) 3.2.1.20
3.2.1.28
Thermus thermophilus HB27 AAS80455.1
CBF79062.1
YP_004082.1
Q72LF2   23
 α-glucosidase (TTHA0481) 3.2.1.20 Thermus thermophilus HB8 BAD70304.1
AAW21751.1
Q5SL12   23
 α-glucosidase (TtAG) 3.2.1.20 Thermus thermophilus TC11 AKA95141.1     23
 α-transglucosidase (XgtA) 2.4.1.- Xanthomonas campestris WU-9701 BAC87873.1
CBF79179.1
Q76LB0   23
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