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Literature summary for 2.4.1.11 extracted from

  • Takahara, H.; Matsuda, K.
    Biosynthesis of glycogen in Neurospora crassa. Purification and properties of the UDPglucose:glycogen 4-alpha-glucosyltransferase (1978), Biochim. Biophys. Acta, 522, 363-374.
    View publication on PubMed

Activating Compound

Activating Compound Comment Organism Structure
glucose 6-phosphate dependent on Neurospora crassa

Inhibitors

Inhibitors Comment Organism Structure
Co2+
-
Neurospora crassa
Cu2+ 1 mM Neurospora crassa
Hg2+ 1 mM Neurospora crassa
iodoacetate not inhibitory Neurospora crassa
additional information not inhibitory: EDTA, iodoacetic acid, thioglycolate, trypsin and chymotrypsin decrease activity to 60% within 60 min Neurospora crassa
phenylmercuric acetate
-
Neurospora crassa
SDS
-
Neurospora crassa
Zn2+ 1 mM Neurospora crassa

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
additional information
-
additional information
-
Neurospora crassa

Metals/Ions

Metals/Ions Comment Organism Structure
Ca2+ no influence on activity Neurospora crassa
Mg2+ no influence on activity Neurospora crassa
Mn2+ no influence on activity Neurospora crassa
additional information no divalent cation requirement, no activation by Fe3+ Neurospora crassa

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
270000
-
sucrose density gradient centrifugation Neurospora crassa

Natural Substrates/ Products (Substrates)

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

Organism

Organism UniProt Comment Textmining
Neurospora crassa
-
-
-

Source Tissue

Source Tissue Comment Organism Textmining

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
6.884
-
-
Neurospora crassa

Storage Stability

Storage Stability Organism
-85°C, stable for several months Neurospora crassa
4°C, 24 h stable Neurospora crassa

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
UDP-glucose + glycogen
-
Neurospora crassa glycogen + UDP
-
?
UDP-glucose + glycogen transfers glucose to glycogen as well as to its phosphorylase limit dextrin, but not to its beta-amylase dextrin, glucose, maltose and maltotriose are not acceptors Neurospora crassa glycogen + UDP
-
?

Subunits

Subunits Comment Organism
trimer 3 * 88000-90000, SDS-PAGE Neurospora crassa

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
30
-
-
Neurospora crassa

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8.2 9
-
Neurospora crassa

pH Stability

pH Stability pH Stability Maximum Comment Organism
7.4 8.2
-
Neurospora crassa