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Literature summary for 1.4.1.4 extracted from

  • Weining, S.; Nicholas, D.J.D.
    Purification and properties of NADP+-dependent glutamate dehydrogenase from Nitrobacter hamburgensis strain X14 (1987), Phytochemistry, 26, 2151-2153.
No PubMed abstract available

Inhibitors

Inhibitors Comment Organism Structure
fumarate at 20 mM 30% inhibition Nitrobacter hamburgensis
glyoxylate at 20 mM, 30% inhibition Nitrobacter hamburgensis
malate at 20 mM, 30% inhibition Nitrobacter hamburgensis
oxaloacetate at 20 mM, 60% inhibition Nitrobacter hamburgensis

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
5
-
2-oxoglutarate reductive amination Nitrobacter hamburgensis
9
-
NH4+ reductive amination Nitrobacter hamburgensis

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
48000
-
alpha6, 6 * 48000, SDS-PAGE Nitrobacter hamburgensis
310000
-
gel filtration Nitrobacter hamburgensis

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
L-glutamate + NADP+ + H2O Nitrobacter hamburgensis
-
2-oxoglutarate + NADPH + NH3
-
r
L-glutamate + NADP+ + H2O Nitrobacter hamburgensis X14
-
2-oxoglutarate + NADPH + NH3
-
r

Organism

Organism UniProt Comment Textmining
Nitrobacter hamburgensis
-
-
-
Nitrobacter hamburgensis X14
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Nitrobacter hamburgensis

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
9.2
-
reductive amination Nitrobacter hamburgensis

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2-oxoglutarate + NH4+ + NADPH
-
Nitrobacter hamburgensis L-glutamate + NADP+
-
?
2-oxoglutarate + NH4+ + NADPH
-
Nitrobacter hamburgensis X14 L-glutamate + NADP+
-
?
L-glutamate + NADP+ + H2O
-
Nitrobacter hamburgensis 2-oxoglutarate + NADPH + NH3
-
r
L-glutamate + NADP+ + H2O
-
Nitrobacter hamburgensis X14 2-oxoglutarate + NADPH + NH3
-
r

Subunits

Subunits Comment Organism
homohexamer alpha6, 6 * 48000, SDS-PAGE Nitrobacter hamburgensis

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.5
-
reductive amination Nitrobacter hamburgensis

Cofactor

Cofactor Comment Organism Structure
NADP+
-
Nitrobacter hamburgensis
NADPH
-
Nitrobacter hamburgensis