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.
Reaction
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)
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Source Tissue
Source Tissue on EC 1.4.1.14 - glutamate synthase (NADH)
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shorter than 10 mm, supply with 1 mM ammonium ions for 24 h increases the enzyme content in the epidermis and exodermis cells of the root surface
additional information
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NADH-GOGAT occurrs at higher levels in young and nonexpanded leaves and decreases with leaf age
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low concentrations, but 15-40% higher enzyme activity in the roots of transgenic plants than of control plants
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roots of seedlings: root tips and area where the secondary roots are actively developing, enzyme in the central cylinder, apical meristem and the primordia of secondary roots of seedlings grown for 26 d in water, supply with 1 mM ammonium ions for 24 h increases the enzyme content in the epidermis and exodermis of the root surface
NADH-GOGAT is primarily located in plastids of non-photosynthetic tissues such as roots
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high enzyme activity in nodules compared to roots and other organs
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enzyme activity increases markedly during development of effective root nodules
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NADH-GOGAT II is twice as active as NADH-GOGAT I in mature nodules
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NADH-GOGAT-II expression is higher than NADH-GOGAT-I during nodule development
organ specific expression pattern analysis
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little or no enzyme activity and mRNA in leaves, stems, cotyledons and roots
additional information
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enzyme is translated in sclerenchyma cells and transported to the root surface through epidermal and exodermal cells
additional information
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not found in crude soluble protein fractions from leaves or bacteroids