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1.4.1.14: glutamate synthase (NADH)

This is an abbreviated version!
For detailed information about glutamate synthase (NADH), go to the full flat file.

Word Map on EC 1.4.1.14

Reaction

2 L-glutamate +

NAD+
=
L-glutamine
+
2-oxoglutarate
+
NADH
+
H+

Synonyms

gltA, GltA2, gltB, glutamate (reduced nicotinamide adenine dinucleotide) synthase, glutamate synthase, glutamate synthase (NADH), glutamate synthase (NADH-dependent), glutamate synthetase, glutamine 2-oxoglutarate aminotransferase, GOGAT, GOGAT1, GOGAT2, L-glutamate synthase (NADH), L-glutamate synthetase, NADH glutamate synthase, NADH-dependent glutamate synthase, NADH-dependent glutamine-2-oxoglutarate aminotransferase, NADH-GltS, NADH-glutamate synthase, NADH-GOGAT, NADH-GOGAT I, NADH-GOGAT II, NADH-GOGAT1, NADH-GOGAT2, NADH: GOGAT, Os01g0681900, Os05g0555600, synthase, glutamate (reduced nicotinamide adenine dinucleotide)

ECTree

     1 Oxidoreductases
         1.4 Acting on the CH-NH2 group of donors
             1.4.1 With NAD+ or NADP+ as acceptor
                1.4.1.14 glutamate synthase (NADH)

Inhibitors

Inhibitors on EC 1.4.1.14 - glutamate synthase (NADH)

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INHIBITOR
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
(2,5-dioxoimidazolidin-4-yl)urea
-
activity of NADH-GOGAT I significantly decreases in the presence of 10 mM allantoine
(2S)-2-amino-4-(S-methylsulfonimidoyl)butanoic acid
2-hydroxyglutarate
-
D- and L-isomer, most potent competitive inhibitor
2-oxoglutarate
-
-
3-acetylpyridine adenine dinucleotide
-
competitive inhibitor with respect to NADH
6-diazo-5-oxo-L-norleucine
acridine
-
inhibitor of flavoenzymes, 65% inhibition
allopurinol
-
activity of NADH-GOGAT I significantly decreases in the presence of 2 mM allopurinol
arginine
-
20 mM, complete inhibition
asparagine
aspartate
azaserine
bathophenanthroline
-
50% inhibition
Cd2+
-
0.5 mM slightly decreases GOGAT activity in the absence of 2-oxoglutarate
citrate
-
inhibited by high concentrations, 40 mM
Co2+
-
slight inhibition
Cu2+
-
Cu2+ and Fe2+ are most inhibitory metal ions
D-2-hydroxyglutarate
-
-
D-glutamate
-
competitive inhibitor
D-glutamine
DL-ethionine sulfone
DL-homocysteic acid
-
-
Fe2+
-
Cu2+ and Fe2+ are most inhibitory metal ions
glutamine
-
activity of NADH-GOGAT I significantly decreases in the presence of 10 mM glutamine
Glutarate
-
most potent competitive inhibitor
glycine
L-2-Amino-4-oxo-5-chloropentanoate
-
1 mM, 30 min, 0°C, pH 7.6, irreversible inhibition
L-2-hydroxyglutarate
-
-
L-Albizziin
L-glutamate
L-histidine
-
25 mM, 20-30% inhibition
L-homocysteine sulfonamide
-
very potent transition state inhibitor, competitive to L-glutamine
L-methionine D,L-sulfoximine
-
-
L-methionine sulfone
L-methionine-SR-sulfoxide
malate
methionine
Mg2+
-
slight inhibition
NADH
-
substrate inhibition at high concentrations
NADPH
-
0.2 mM, 50% inhibition
O-diazoacetyl-L-serine
-
1 mM, 30 min, 0°C, pH 7.6, irreversible inhibition
oxaloacetate
-
weak inhibition, competitive with 2-oxoglutarate
p-hydroxymercuribenzoate
-
complete inhibition at 0.1-1 mM, at 0.0005 mM 33% inhibition or 75% inhibition after preincubation in presence of glutamine and 2-oxoglutarate, substrates induce a conformation, which makes essential sulfhydryl groups more accessible to reagent
phenylalanine
-
20 mM, complete inhibition
pyruvate
serine
Sodium dithionite
-
strong inhibitory effect
tryptophan
xanthine
-
activity of NADH-GOGAT I significantly decreases in the presence of 10 mM xanthine
Zn2+
-
slight inhibition
additional information
-