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Literature summary extracted from

  • Paczek, V.; Dubois, F.; Sangwan, R.; Morot-Gaudry, J.F.; Roubelakis-Angelakis, K.A.; Hirel, B.
    Cellular and subcellular localisation of glutamine synthetase and glutamate dehydrogenase in grapes gives new insights on the regulation of carbon and nitrogen metabolism (2002), Planta, 216, 245-254.
    View publication on PubMed

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
1.4.1.2 mitochondrion preferentially localized in the mitochondria of phloem companion cells in both leaves and flowers Vitis vinifera 5739
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1.4.1.2 multivesicular body within the flower receptacle, significant amounts of enzyme Vitis vinifera 5771
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Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
1.4.1.2 2-oxoglutarate + NH3 + NADH Vitis vinifera in conjugation with glutamine synthase, the glutamate dehydrogenase plays a major role in controlling the translocation of organic carbon and nitrogen metabolites in both vegetative and reproductive organs. It is possible that the presence of glutamate dehydrogenase in multivesicular bodies within the flower receptacle is important for the recycling of carbon and nitrogen molecules in senescing tissues in which the enzyme is generally induced L-glutamate + H2O + NAD+
-
?

Organism

EC Number Organism UniProt Comment Textmining
1.4.1.2 Vitis vinifera
-
-
-

Source Tissue

EC Number Source Tissue Comment Organism Textmining
1.4.1.2 flower phloem companion cells Vitis vinifera
-
1.4.1.2 leaf phloem companion cells Vitis vinifera
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.4.1.2 2-oxoglutarate + NH3 + NADH
-
Vitis vinifera L-glutamate + H2O + NAD+
-
?
1.4.1.2 2-oxoglutarate + NH3 + NADH in conjugation with glutamine synthase, the glutamate dehydrogenase plays a major role in controlling the translocation of organic carbon and nitrogen metabolites in both vegetative and reproductive organs. It is possible that the presence of glutamate dehydrogenase in multivesicular bodies within the flower receptacle is important for the recycling of carbon and nitrogen molecules in senescing tissues in which the enzyme is generally induced Vitis vinifera L-glutamate + H2O + NAD+
-
?

Synonyms

EC Number Synonyms Comment Organism
1.4.1.2 GDH
-
Vitis vinifera

Cofactor

EC Number Cofactor Comment Organism Structure
1.4.1.2 NADH
-
Vitis vinifera