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Literature summary extracted from

  • Monma, M.; Nakakuki, T.; Kainuma, K.
    Formation and hydrolysis of maltohexaose by an extracellular exo-maltohexaohydrolase (1983), Agric. Biol. Chem., 47, 1769-1774.
No PubMed abstract available

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
3.2.1.98 additional information
-
 additional information kinetic data Klebsiella pneumoniae
3.2.1.98 0.46
-
 short-chain amylose
-
 Klebsiella pneumoniae
3.2.1.98 7.68
-
 maltohexaose
-
 Klebsiella pneumoniae
3.2.1.98 10.02
-
 maltopentaose
-
 Klebsiella pneumoniae
3.2.1.98 50
-
 maltotetraose
-
 Klebsiella pneumoniae

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
3.2.1.98 extracellular ultraviolet induced mutant Klebsiella pneumoniae
-
-
3.2.1.98 extracellular extracellular enzyme has the same characteristics as the cell-bound enzyme: enzyme is secreted extracellulary due to mutation of parent strain of Klebsiella pneumoniae Klebsiella pneumoniae
-
-

Organism

EC Number Organism UniProt Comment Textmining
3.2.1.98 Klebsiella pneumoniae
-
 Aerobacter aerogenes
-
3.2.1.98 Klebsiella pneumoniae
-
 ultraviolet-induced mutant
-

Purification (Commentary)

EC Number Purification (Comment) Organism
3.2.1.98
-
 Klebsiella pneumoniae

Reaction

EC Number Reaction Comment Organism Reaction ID
3.2.1.98 (Glcalpha(1-4))m + H2O = (Glcalpha(1-4))m-6 + maltohexaose mechanism of transglycosylation Klebsiella pneumoniae
a

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.2.1.98 amylose + H2O short-chain amylose, DP, average degree of polymerization, = 23 Klebsiella pneumoniae maltohexaose main product, 40% maltohexaose ?
3.2.1.98 maltohexaose + H2O
-
 Klebsiella pneumoniae maltose + maltotetraose main product ?
3.2.1.98 maltohexaose + H2O
-
 Klebsiella pneumoniae D-glucose + maltopentaose small amounts ?
3.2.1.98 maltohexaose + H2O
-
 Klebsiella pneumoniae maltotriose + ? small amounts ?
3.2.1.98 maltooligosaccharide + H2O maltooligosaccharide larger than G6, maltohexaose Klebsiella pneumoniae maltohexaose + ? main product ?
3.2.1.98 maltooligosaccharide + H2O 6 glucose units and shorter Klebsiella pneumoniae maltooligosaccharide + ? with less than 6 glucose units ?
3.2.1.98 maltotetraose transglycosylation, mechanism Klebsiella pneumoniae maltohexaose + maltose main product ?
3.2.1.98 additional information substrate and product specificity, overview Klebsiella pneumoniae ?
-
 ?
3.2.1.98 short-chain amylose + H2O
-
 Klebsiella pneumoniae ?
-
 ?
3.2.1.98 starch + H2O
-
 Klebsiella pneumoniae maltohexaose + ?
-
 ?