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Literature summary for 1.4.1.4 extracted from

  • Park, J.H.; Schofield, P.J.; Edwards, M.R.
    Giardia intestinalis: characterization of a NADP-dependent glutamate dehydrogenase (1998), Exp. Parasitol., 88, 131-138.
    View publication on PubMed

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.017
-
NADPH reductive amination Giardia intestinalis
0.28
-
2-oxoglutarate reductive amination Giardia intestinalis

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
46500
-
alpha6, 6 * 46500, SDS-PAGE Giardia intestinalis
50120
-
alpha6, 6 * 50120, MALDI-TOF Giardia intestinalis
270000
-
gel filtration Giardia intestinalis

Natural Substrates/ Products (Substrates)

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

Organism

Organism UniProt Comment Textmining
Giardia intestinalis
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Giardia intestinalis

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
930
-
reductive amination at 37°C Giardia intestinalis

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
L-glutamate + NADP+ + H2O
-
Giardia intestinalis 2-oxoglutarate + NADPH + NH3
-
r
L-glutamate + NADP+ + H2O
-
Giardia intestinalis 2-oxoglutarate + NADPH + NH3 biphasic kinetic behavior for ammonia r

Subunits

Subunits Comment Organism
homohexamer alpha6, 6 * 50120, MALDI-TOF Giardia intestinalis
homohexamer alpha6, 6 * 46500, SDS-PAGE Giardia intestinalis

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.5
-
reductive amination Giardia intestinalis
9.3
-
oxidative deamination Giardia intestinalis

Cofactor

Cofactor Comment Organism Structure
NADP+
-
Giardia intestinalis
NADPH
-
Giardia intestinalis