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Literature summary for 3.2.1.54 extracted from

  • Bradley, M.K.; Lindsay, J.A.
    Reclassification of a thermostable alpha-glucosidase from Bacillus subtilis H-17 as a cyclomaltodextrinase (1992), Enzyme Microb. Technol., 14, 194-196.
No PubMed abstract available

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.91
-
maltoheptaose
-
Bacillus subtilis
0.93
-
alpha-cyclodextrin
-
Bacillus subtilis

Organism

Organism UniProt Comment Textmining
Bacillus subtilis
-
H-17, transformed with Bacillus caldolyticus C2 DNA
-

Purification (Commentary)

Purification (Comment) Organism
-
Bacillus subtilis

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
alpha-cyclodextrin + H2O
-
Bacillus subtilis maltose + glucose
-
?
alpha-cyclodextrin + H2O
-
Bacillus subtilis glucose + maltose + maltotriose
-
?
amylopectin + H2O
-
Bacillus subtilis maltose + ? degraded slowly by cleavage of maltose units from the nonreducing ends ?
amylose + H2O 12% Bacillus subtilis ?
-
?
beta-cyclodextrin + H2O
-
Bacillus subtilis maltose + glucose
-
?
beta-cyclodextrin + H2O
-
Bacillus subtilis maltose + maltotriose + maltotetraose + maltopentaose + maltoheptaose + glucose
-
?
maltodextrins + H2O linear, enzyme degrades the linear molecules by splitting off maltose units from the nonreducing end of the chain Bacillus subtilis maltose + glucose
-
?
maltoheptaose + H2O
-
Bacillus subtilis D-glucose + maltose + ?
-
?
maltohexaose + H2O
-
Bacillus subtilis maltotetraose + maltose
-
?
maltopentaose + H2O
-
Bacillus subtilis maltose + maltotriose
-
?
maltotetraose + H2O
-
Bacillus subtilis 2 maltose
-
?
maltotriose + H2O
-
Bacillus subtilis ?
-
?
pullulan + H2O
-
Bacillus subtilis glucose + panose + isopanose + large saccharides containing alpha 1,6-glucosidic bonds
-
?
starch + H2O 10% Bacillus subtilis glucose + maltose degraded slowly by cleavage of maltose units from the nonreducing ends ?

Synonyms

Synonyms Comment Organism
H-17 CDase
-
Bacillus subtilis
H-17 thermostable CDase
-
Bacillus subtilis

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
65
-
-
Bacillus subtilis