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Literature summary for 2.4.1.25 extracted from

  • Weiss, S.C.; Skerra, A.; Schiefner, A.
    structural basis for the interconversion of maltodextrins by MalQ, the amylomaltase of Escherichia coli (2015), J. Biol. Chem., 290, 21352-21364.
    View publication on PubMedView publication on EuropePMC

Cloned(Commentary)

Cloned (Comment) Organism
expressed in Escherichia coli BL21(DE3) cells Escherichia coli

Crystallization (Commentary)

Crystallization (Comment) Organism
hanging drop vapor diffusion method, using 20% (w/v) PEG-3350 Escherichia coli

Inhibitors

Inhibitors Comment Organism Structure
acarbose
-
Escherichia coli

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
78500
-
x * 78500, calculated from amino acid sequence Escherichia coli

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
maltodextrin + maltose Escherichia coli
-
maltooligosaccharides + alpha-D-glucose
-
?

Organism

Organism UniProt Comment Textmining
Escherichia coli P15977
-
-

Purification (Commentary)

Purification (Comment) Organism
iminodiacetic acid-Sepharose column chromatography and Superdex 200 gel filtration Escherichia coli

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
maltodextrin + maltose
-
Escherichia coli maltooligosaccharides + alpha-D-glucose
-
?
maltose + maltose
-
Escherichia coli maltooligosaccharides + D-glucose
-
?
maltotriose + maltotriose
-
Escherichia coli maltooligosaccharides + D-glucose
-
?

Subunits

Subunits Comment Organism
? x * 78500, calculated from amino acid sequence Escherichia coli

Synonyms

Synonyms Comment Organism
amylomaltase
-
Escherichia coli
MalQ
-
Escherichia coli