Glycoside Hydrolase Family 13

Known Activitiesa-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-a-glucosidase (EC 3.2.1.10); maltogenic amylase (EC 3.2.1.133); neopullulanase (EC 3.2.1.135); a-glucosidase (EC 3.2.1.20); maltotetraose-forming a-amylase (EC 3.2.1.60); isoamylase (EC 3.2.1.68); glucodextranase (EC 3.2.1.70); maltohexaose-forming a-amylase (EC 3.2.1.98); maltotriose-forming a-amylase (EC 3.2.1.116); branching enzyme (EC 2.4.1.18); trehalose synthase (EC 5.4.99.16); 4-a-glucanotransferase (EC 2.4.1.25); maltopentaose-forming a-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); amino acid transporter
Mechanism Retaining
ClanGH-H
3D Structure Status(b/a)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 resourcesAAMY; CAZypedia; EBI Protein of the Month; HOMSTRAD; InterPro; PDB Molecule of the Month; PFAM; PRINTS;
Commercial Enzyme Provider(s)MEGAZYME; PROZOMIX;
Statistics GenBank accession (14829); Uniprot accession (7548); PDB accession (335); 3D entries (80); cryst (4)
All (11833) Archaea (172) Bacteria (9835) Eukaryota (1705) Viruses (2) unclassified (119) Structure (80 - 4 cryst) Characterized (704) Subfamilies (9438)
Viruses
Protein Name EC#OrganismGenBankUniprotPDB/3D Subf
 EC_CP1639_03 (fragment)   Enterobacteria phage CP-1639 CAC83125.1    
 EC_CP1639_04 (fragment)   Enterobacteria phage CP-1639 CAC83126.1    




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