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1.4.1.4: glutamate dehydrogenase (NADP+)

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

Word Map on EC 1.4.1.4

Reaction

L-glutamate
+
H2O
+
NADP+
=
2-oxoglutarate
+
NH3
+
NADPH
+
H+

Synonyms

APE1386, BpNADPGDH I, BpNADPGDH II, dehydrogenase, glutamate (nicotinamide adenine dinucleotide phosphate), EcGDH, GDH, GDH1, Gdh1p, GDH2, GDH3, Gdh3p, GDH4, GdhA, GDHB, GDHC, GDHI, GDHI', GDHII, GDHP, GluDH, glutamate dehydrogenase, glutamate dehydrogenase 1, glutamate dehydrogenase 2, glutamate dehydrogenase 3, glutamic acid dehydrogenase, glutamic dehydrogenase, GW612_14215, H-form specific BpNADPGDH II, hGDH, hyphal-form specific BpNADPGDH II, L-glutamate dehydrogenase, NAD(P)H-dependent glutamate dehydrogenase, NADP(+)-dependent glutamate dehydrogenase, NADP(H)-dependent glutamate dehydrogenase, NADP(H)-GDH, NADP(H)-specific glutamate dehydrogenase, NADP+ - dependant-glutamate dehydrogenase, NADP+-dependent GDH, NADP+-dependent glutamate dehydrogenase, NADP+-Gdh, NADP-dependent GDH, NADP-dependent GluDH, NADP-dependent glutamate dehydrogenase, NADP-dependent glutamate dehydrogenase 1, NADP-dependent glutamate dehydrogenase 2, NADP-GDH, NADP-GDH 1, NADP-GDH 2, NADP-glutamate dehydrogenase, NADP-linked glutamate dehydrogenase, NADP-specific glutamate dehydrogenase, NADP-specific L-glutamate dehydrogenase, NADP-ylGdh1p, NADPH-dependent GDH, NADPH-dependent glutamate dehydrogenase, OsGDH4, Pcal_1606, RocG, TrGDH, Y-form specific BpNADPGDH I, YALI0F17820g, yeast-form specific BpNADPGDH I, ylGDH1

ECTree

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

pH Stability

pH Stability on EC 1.4.1.4 - glutamate dehydrogenase (NADP+)

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pH STABILITY
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
2.2 - 7
-
-
741577
4.5 - 9.5
Pcal_1606 retains more than 80% of its activity after incubation for 30 min at pH 4.5-9.5 at 50°C
724938
4.7
Thermophilic bacillus
-
inactivation
391687
5.2 - 8
-
-
391649
5.5 - 11.5
-
stable
656309
5.8 - 9
Thermophilic bacillus
-
highly thermostable
391687
6 - 9
-
unstable below pH 5.0 or above pH 10.0
391680
8.5
AKQ74236
above pH 8.5, 30 min at 4°C, at least 70% loss of activity
742423
additional information
-
Gdh3-encoded enzyme undergoes in vitro deamination at a particular asparaginyl residue which is absent in homologous isoenzyme, Gdh1p. Deamination of Asn54 is observed in vitro when Gdh3p is incubated at alkaline pH. The specific deamination of Asn54, could account, in part, for the relative lower stability of the GDH3-encoded protein
654465