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Literature summary extracted from

  • Palmer, T.N.; Ryman, B.; Whelan, W.J.
    The action pattern of amylomaltase from Escherichia coli (1976), Eur. J. Biochem., 69, 105-115.
    View publication on PubMed

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
2.4.1.25 71000
-
 gel filtration, low molecular weight form Escherichia coli
2.4.1.25 370000
-
 gel filtration, high molecular weight form Escherichia coli

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
2.4.1.25 maltodextrin + maltose Escherichia coli catabolic processing of glycogen and maltodextrins maltooligosaccharides
-
 ?
2.4.1.25 maltodextrin + maltose Streptococcus equinus catabolic processing of glycogen and maltodextrins maltooligosaccharides
-
 ?
2.4.1.25 maltodextrin + maltose Streptococcus mitis catabolic processing of glycogen and maltodextrins maltooligosaccharides
-
 ?
2.4.1.25 maltodextrin + maltose Escherichia coli ML catabolic processing of glycogen and maltodextrins maltooligosaccharides
-
 ?

Organism

EC Number Organism UniProt Comment Textmining
2.4.1.25 Bacillus subtilis
-
-
-
2.4.1.25 Escherichia coli
-
-
-
2.4.1.25 Escherichia coli ML
-
-
-
2.4.1.25 Streptococcus equinus
-
-
-
2.4.1.25 Streptococcus mitis
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
2.4.1.25
-
 Escherichia coli

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
2.4.1.25 30
-
-
 Escherichia coli

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2.4.1.25 1,4-alpha-D-glucan + 1,4-alpha-D-glucan
-
 Escherichia coli maltooligosaccharides
-
 ?
2.4.1.25 1,4-alpha-D-glucan + glucose
-
 Escherichia coli maltooligosaccharides
-
 ?
2.4.1.25 maltodextrin + maltose
-
 Escherichia coli maltooligosaccharides
-
 ?
2.4.1.25 maltodextrin + maltose catabolic processing of glycogen and maltodextrins Escherichia coli maltooligosaccharides
-
 ?
2.4.1.25 maltodextrin + maltose catabolic processing of glycogen and maltodextrins Streptococcus equinus maltooligosaccharides
-
 ?
2.4.1.25 maltodextrin + maltose catabolic processing of glycogen and maltodextrins Streptococcus mitis maltooligosaccharides
-
 ?
2.4.1.25 maltodextrin + maltose
-
 Escherichia coli ML maltooligosaccharides
-
 ?
2.4.1.25 maltodextrin + maltose catabolic processing of glycogen and maltodextrins Escherichia coli ML maltooligosaccharides
-
 ?
2.4.1.25 maltohexaose + maltopentaose
-
 Escherichia coli maltooligosaccharides
-
 ?
2.4.1.25 maltose + (1,4-alpha-glucan)n+1
-
 Escherichia coli D-glucose + (1,4-alpha-glucan)n+1
-
 ?
2.4.1.25 maltose + (1,4-alpha-glucan)n+1
-
 Escherichia coli ML D-glucose + (1,4-alpha-glucan)n+1
-
 ?
2.4.1.25 maltose + maltose
-
 Escherichia coli maltotriose + glucose
-
 ?
2.4.1.25 maltose + maltose
-
 Escherichia coli ML maltotriose + glucose
-
 ?
2.4.1.25 maltotriose + maltotriose
-
 Escherichia coli maltopentaose + maltotetraose
-
 ?
2.4.1.25 additional information maltose is inable to serve as a donor substrate, serving only as an acceptor substrate Escherichia coli ?
-
 ?
2.4.1.25 additional information maltose is inable to serve as a donor substrate, serving only as an acceptor substrate Escherichia coli ML ?
-
 ?