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Literature summary for 1.4.1.14 extracted from

  • Miyatake, K.; Kitaoka, S.
    NADH-dependent glutamate synthase in Euglena gracilis z (1981), Agric. Biol. Chem., 45, 1727-1729.
No PubMed abstract available

Activating Compound

Activating Compound Comment Organism Structure
additional information not activated by pyridoxal 5’-phosphate and pyridoxamine 5’-phosphate Euglena gracilis

Inhibitors

Inhibitors Comment Organism Structure
azaserine completely inhibited by 1 mM, glutamine analog Euglena gracilis
additional information not inhibited by vitamin B6-enzyme inhibitors Euglena gracilis

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.015
-
2-oxoglutarate
-
Euglena gracilis
0.02
-
NADH
-
Euglena gracilis
0.3
-
L-glutamine
-
Euglena gracilis

Localization

Localization Comment Organism GeneOntology No. Textmining
cytosol
-
Euglena gracilis 5829
-

Organism

Organism UniProt Comment Textmining
Euglena gracilis
-
Z
-
Euglena gracilis Z
-
Z
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
L-glutamine + 2-oxoglutarate + NADH absolute specificity for 2-oxoglutarate Euglena gracilis L-glutamate + NAD+
-
?
L-glutamine + 2-oxoglutarate + NADH highly specific for its substrates Euglena gracilis L-glutamate + NAD+
-
?
L-glutamine + 2-oxoglutarate + NADH specific for NADH Euglena gracilis L-glutamate + NAD+
-
?
L-glutamine + 2-oxoglutarate + NADH absolute specificity for 2-oxoglutarate Euglena gracilis Z L-glutamate + NAD+
-
?
L-glutamine + 2-oxoglutarate + NADH highly specific for its substrates Euglena gracilis Z L-glutamate + NAD+
-
?
L-glutamine + 2-oxoglutarate + NADH specific for NADH Euglena gracilis Z L-glutamate + NAD+
-
?
additional information no activity with L-asparagine, NH4Cl, pyruvate, oxaloacetate or NADPH Euglena gracilis ?
-
?
additional information no activity with L-asparagine, NH4Cl, pyruvate, oxaloacetate or NADPH Euglena gracilis Z ?
-
?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
30
-
-
Euglena gracilis

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
45
-
rapid inactivation above Euglena gracilis

pH Optimum

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

Cofactor

Cofactor Comment Organism Structure
additional information no activity with NADPH Euglena gracilis
NADH specific for NADH as reductant Euglena gracilis