Glycoside Hydrolase Family 49

Activities in Familydextranase (EC 3.2.1.11); isopullulanase (EC 3.2.1.57); dextran 1,6-α-isomaltotriosidase (EC 3.2.1.95).
Mechanism Inverting
ClanGH-N
3D Structure Status( β )-helix
Catalytic Nucleophile/BaseAsp
Catalytic Proton DonorAsp
External resourcesCAZypedia;
Commercial Enzyme Provider(s)MEGAZYME;
Statistics GenBank accession (27); Uniprot accession (12); PDB accession (6); 3D entries (2); cryst (0)
Eukaryota
Protein Name EC#OrganismGenBankUniprot
PDB/3D Carbohydrate Ligands Resolution (Å)
 isopullulanase (IpuA;IPU) 3.2.1.57 Aspergillus brasiliensis ATCC 9642 (formerly Aspergillus niger ATCC 9642) BAA18971.1
BAA19473.1
O00105
1WMR[A,B] 2.40
1X0C[A,B] 1.70
2Z8G[A,B] α-D-Glcp-(1-4)-α-D-Glcp-(1-6)-β-D-Glcp
1.70
3WWG[A,B,C,D] α-D-Glcp-(1-4)-α-D-Glcp
α-D-Glcp-(1-6)-β-D-Glcp
2.20
 dextranase (Dex;DexA) (Dex49A) 3.2.1.11 Talaromyces minioluteus MUCL 38929 (HI-4) AAB47720.1 P48845
1OGM[X] 1.8
1OGO[X] α-D-Glcp-(1-6)-β-D-Glcp
1.65
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