CATH Classification

Domain Context

CATH Clusters

Superfamily Glycosidases
Functional Family

Enzyme Information

3.2.1.133
Glucan 1,4-alpha-maltohydrolase.
based on mapping to UniProt P19531
Hydrolysis of (1->4)-alpha-D-glucosidic linkages in polysaccharides so as to remove successive alpha-maltose residues from the non-reducing ends of the chains.
-!- Acts on starch and related polysaccharides and oligosaccharides. -!- The product is alpha-maltose; cf. EC 3.2.1.2.

UniProtKB Entries (1)

P19531
AMYM_GEOSE
Geobacillus stearothermophilus
Maltogenic alpha-amylase

PDB Structure

PDB 1QHP
External Links
Method X-RAY DIFFRACTION
Organism Bacillus
Primary Citation
X-ray structure of Novamyl, the five-domain "maltogenic" alpha-amylase from Bacillus stearothermophilus: maltose and acarbose complexes at 1.7A resolution.
Dauter, Z., Dauter, M., Brzozowski, A.M., Christensen, S., Borchert, T.V., Beier, L., Wilson, K.S., Davies, G.J.
Biochemistry