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Literature summary for 1.4.1.4 extracted from

  • Zhu, J.; Lu, K.; Xu, X.; Wang, X.; Shi, J.
    Purification and characterization of a novel glutamate dehydrogenase from Geotrichum candidum with higher alcohol and amino acid activity (2017), AMB Express, 7, 009 .
    View publication on PubMedView publication on EuropePMC

Inhibitors

Inhibitors Comment Organism Structure
ATP 1 mM, 14.4% residual activity Geotrichum candidum
Ca2+ 5 mM, 93.5% residual activity Geotrichum candidum
dithiothreitol 1 mM, 30.7% residual activity Geotrichum candidum
EDTA 1 mM, 5.3% residual activity Geotrichum candidum
Mg2+ 5 mM, 68% residual activity Geotrichum candidum
Mn2+ 5 mM, 51.8% residual activity Geotrichum candidum
NAD+ 0.3 mM, 50.5% residual activity Geotrichum candidum
NADH 0.3 mM, 5.3% residual activity Geotrichum candidum
NADPH 0.3 mM, 3.8% residual activity Geotrichum candidum
Pb2+ 5 mM, 19.8% residual activity Geotrichum candidum

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.00007
-
NADP+ pH not specified in the publication, 30°C Geotrichum candidum
0.00013
-
NADPH pH not specified in the publication, 30°C Geotrichum candidum
0.004
-
2-oxoglutarate pH not specified in the publication, 30°C Geotrichum candidum
0.0417
-
L-glutamate pH not specified in the publication, 30°C Geotrichum candidum

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
223000
-
PAGE Geotrichum candidum

Organism

Organism UniProt Comment Textmining
Geotrichum candidum
-
-
-
Geotrichum candidum S12
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Geotrichum candidum

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
3802.7
-
pH not specified in the publication, 30°C Geotrichum candidum

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2-oxoglutarate + NH3 + NADPH + H+ 136% of the activtiy with L-glutamate Geotrichum candidum L-glutamate + H2O + NADP+
-
r
2-oxoglutarate + NH3 + NADPH + H+ 136% of the activtiy with L-glutamate Geotrichum candidum S12 L-glutamate + H2O + NADP+
-
r
L-glutamate + H2O + NADP+
-
Geotrichum candidum 2-oxoglutarate + NH3 + NADPH + H+
-
r
L-glutamate + H2O + NADP+
-
Geotrichum candidum S12 2-oxoglutarate + NH3 + NADPH + H+
-
r
additional information enzyme additionally shows activity towards hexanol and isoamyl alcohol Geotrichum candidum ?
-
?
additional information enzyme additionally shows activity towards hexanol and isoamyl alcohol Geotrichum candidum S12 ?
-
?

Subunits

Subunits Comment Organism
tetramer 4 * 51400, SDS-PAGE Geotrichum candidum

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
30
-
-
Geotrichum candidum

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
40
-
stable below Geotrichum candidum

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
4
-
-
Geotrichum candidum

pH Stability

pH Stability pH Stability Maximum Comment Organism
2.2 7
-
Geotrichum candidum