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Literature summary for 2.4.1.34 extracted from

  • Marechal, L.R.; Goldemberg, S.H.
    Uridine diphosphate glucose-beta-1,3-glucan-beta-3-glucosyltransferase from Euglena gracilis (1964), J. Biol. Chem., 239, 3163-3167.
    View publication on PubMed

Activating Compound

Activating Compound Comment Organism Structure
cellobiose stimulate Euglena gracilis
cellobiosylglucose stimulate Euglena gracilis
D-glucosides stimulate Euglena gracilis
laminaribiose stimulate Euglena gracilis
additional information enzyme shows activity without addition of a primer Euglena gracilis
Salicin stimulate Euglena gracilis

Inhibitors

Inhibitors Comment Organism Structure
Glycylglycine buffer 0.75 M Euglena gracilis
KCl
-
Euglena gracilis
Na2SO4
-
Euglena gracilis
NaCl
-
Euglena gracilis
Natural inhibitor in green Euglena cells
-
Euglena gracilis
p-hydroxymercuribenzoate
-
Euglena gracilis
phosphoenolpyruvate
-
Euglena gracilis
UDP
-
Euglena gracilis

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.6
-
UDPglucose
-
Euglena gracilis

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
UDPglucose + (1,3-beta-D-glucosyl)n Euglena gracilis
-
UDP + (1,3-beta-D-glucosyl)n+1
-
?

Organism

Organism UniProt Comment Textmining
Euglena gracilis
-
-
-

Storage Stability

Storage Stability Organism
-14°C, 2 weeks, 20% loss of activity Euglena gracilis

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
UDPglucose + (1,3-beta-D-glucosyl)n
-
Euglena gracilis UDP + (1,3-beta-D-glucosyl)n+1
-
?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
23
-
-
Euglena gracilis

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
17 37 17°C: 80% of activity maximum, 30°C: 90% of activity maximum, 37°C: 80% of activity maximum Euglena gracilis

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.5
-
glycylglycine buffer Euglena gracilis

pH Range

pH Minimum pH Maximum Comment Organism
7 7.8 7: about 60% of activity maximum, 7.8: about 70% of activity maximum Euglena gracilis