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Literature summary for 1.4.1.4 extracted from

  • Lin, H.P.P.; Reeves, H.C.
    Purification and characterization of NADP+-specific glutamate dehydrogenase from Escherichia coli (1991), Curr. Microbiol., 22, 371-376.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
Ca2+ at 1 mM 27% inhibition Escherichia coli
Zn2+ at 1 mM, 40% inhibition Escherichia coli

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.083
-
NADPH reductive amination Escherichia coli
0.11
-
NADP+ oxidative deamination Escherichia coli
2.2
-
L-glutamate oxidative deamination Escherichia coli
3.25
-
2-oxoglutarate reductive amination Escherichia coli
36
-
NH4+ reductive amination Escherichia coli

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
44500
-
alpha6, 6 * 44500, SDS-PAGE Escherichia coli
275000
-
gel filtration Escherichia coli

Natural Substrates/ Products (Substrates)

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

Organism

Organism UniProt Comment Textmining
Escherichia coli
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Escherichia coli

Substrates and Products (Substrate)

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

Subunits

Subunits Comment Organism
homohexamer alpha6, 6 * 44500, SDS-PAGE Escherichia coli

Cofactor

Cofactor Comment Organism Structure
NADP+
-
Escherichia coli
NADPH
-
Escherichia coli