EC - Glucan 1,4-α-maltohydrolase

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IntEnz Enzyme Nomenclature


Accepted name:
glucan 1,4-α-maltohydrolase
Other names:
maltogenic α-amylase
1,4-α-D-glucan α-maltohydrolase
Systematic name:
4-α-D-glucan α-maltohydrolase



Acts on starch and related polysaccharides and oligosaccharides. The product is α-maltose; cf. EC β-amylase.

Links to other databases

Enzymes and pathways: NC-IUBMB , BRENDA , ExplorEnz , ENZYME@ExPASy , KEGG , MetaCyc , UniPathway
Protein domains and families: PROSITE:PDOC51166
Structural data: CSA , EC2PDB
Gene Ontology: GO:0043897
CAS Registry Number: 160611-47-2


  1. Diderichsen, B. and Christiansen, L.
    Cloning of a maltogenic alpha-amylase from Bacillus stearothermophilus.
    FEMS Microbiol. Lett. 56: 53-59 (1988).
  2. Outtrup, H. and Norman, B.E.
    Properties and application of a thermostable maltogenic amylase produced by a strain of Bacillus modified by recombinant-DNA techniques.
    Stärke 36: 405-411 (1984).

[EC created 1992, modified 1999]