CATH Classification

Domain Context

CATH Clusters

Superfamily Golgi alpha-mannosidase II
Functional Family

Enzyme Information

3.2.1.60
Glucan 1,4-alpha-maltotetraohydrolase.
based on mapping to UniProt P13507
Hydrolysis of (1->4)-alpha-D-glucosidic linkages in amylaceous polysaccharides, to remove successive maltotetraose residues from the non-reducing chain ends.
-!- Compare EC 3.2.1.2, which removes successive maltose residues, and EC 3.2.1.98 and EC 3.2.1.116.

UniProtKB Entries (1)

P13507
AMT4_PSEST
Pseudomonas stutzeri
Glucan 1,4-alpha-maltotetraohydrolase

PDB Structure

PDB 1QPK
External Links
Method X-RAY DIFFRACTION
Organism Escherichia
Primary Citation
Roles of catalytic residues in alpha-amylases as evidenced by the structures of the product-complexed mutants of a maltotetraose-forming amylase.
Hasegawa, K., Kubota, M., Matsuura, Y.
Protein Eng.
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