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Literature summary for 2.4.1.11 extracted from

  • Hannigan, L.L.; Donahue, M.J.; Masaracchia, R.A.
    Comparative purification and characterization of invertebrate muscle glycogen synthase from the porcine parasite Ascaris suum (1985), J. Biol. Chem., 260, 16099-16105.
    View publication on PubMed

Activating Compound

Activating Compound Comment Organism Structure
glucose 6-phosphate synthase D, i.e. phosphorylated form, is glucose 6-phosphate dependent, synthase I, i.e. dephosphorylated form, is glucose 6-phosphate independent, interconversion of D and I forms and vice versa Ascaris suum

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
additional information
-
additional information
-
Ascaris suum
0.31 0.32 UDP-glucose value independent of glucose 6-phosphate concentration Ascaris suum

Localization

Localization Comment Organism GeneOntology No. Textmining
soluble
-
Ascaris suum
-
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
85000
-
x * 85000, SDS-PAGE Ascaris suum

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
UDP-glucose + glycogen Ascaris suum
-
glycogen + UDP
-
?

Organism

Organism UniProt Comment Textmining
Ascaris suum
-
swine parasite
-

Posttranslational Modification

Posttranslational Modification Comment Organism
phosphoprotein phosphorylation of glucose-6-phosphate independent enzyme, i.e. I enzyme, results in glucose-6-phosphate dependent enzyme, i.e. D enzyme Ascaris suum
phosphoprotein incorporation of 1.3 pmol phosphate per mol enzyme Ascaris suum
phosphoprotein phosphorylation leads to loss of activity Ascaris suum

Source Tissue

Source Tissue Comment Organism Textmining
muscle
-
Ascaris suum
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
-
Ascaris suum
4.3
-
-
Ascaris suum

Storage Stability

Storage Stability Organism
-80°C, 50 mM glycerophosphate buffer, pH 7.0, 2 mM EDTA, 40 mM 2-mercaptoethanol, 10% sucrose Ascaris suum

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
UDP-glucose + glycogen
-
Ascaris suum glycogen + UDP
-
?

Subunits

Subunits Comment Organism
? x * 85000, SDS-PAGE Ascaris suum

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
30
-
instable above Ascaris suum

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.5
-
absence of glucose 6-phosphate Ascaris suum
7.8
-
absence of glucose 6-phosphate Ascaris suum
8.8
-
presence of glucose 6-phosphate Ascaris suum

pH Range

pH Minimum pH Maximum Comment Organism
6 9
-
Ascaris suum