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Literature summary for 3.2.1.33 extracted from

  • Narahara, E.; Makino, Y.; Omichi, K.
    Glycogen debranching enzyme in bovine brain (2001), J. Biochem., 130, 465-470.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
AMP 10 mM, 86% of initial activity Bos taurus
ATP 10 mM, no activity Bos taurus
Cd2+ 1 mM, no activity Bos taurus
Co2+ 1 mM, 15% of initial activity Bos taurus
Cu2+ 1 mM, 6% of initial activity Bos taurus
D-glucose 10 mM, 89% of initial activity Bos taurus
D-glucose-1-phosphate 10 mM, 82% of initial activity Bos taurus
D-Glucose-6-phosphate 10 mM, 89% of initial activity Bos taurus
Fe2+ 1 mM, 7% of initial activity Bos taurus
Hg2+ 1 mM, 3% of initial activity Bos taurus
Ni2+ 1 mM, 25% of initial activity Bos taurus
Zn2+ 1 mM, 4% of initial activity Bos taurus

Localization

Localization Comment Organism GeneOntology No. Textmining
cytosol
-
Bos taurus 5829
-

Metals/Ions

Metals/Ions Comment Organism Structure
Ba2+ 1 mM, 154% of initial activity Bos taurus

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
190000
-
gel filtration Bos taurus

Organism

Organism UniProt Comment Textmining
Bos taurus
-
-
-

Purification (Commentary)

Purification (Comment) Organism
partial Bos taurus

Source Tissue

Source Tissue Comment Organism Textmining
brain cerebrum Bos taurus
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
3100
-
37°C, pH 6.5 Bos taurus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
Glc1-4Glc-alpha1-4(Glc-alpha1-6)Glc-alpha1-4 Glc-alpha1-4 Glc-alpha1-4Glc-2-aminopyridine + H2O
-
Bos taurus ?
-
?
additional information no alpha-glucosidase or alpha-amylase activity Bos taurus ?
-
?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6
-
-
Bos taurus