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Literature summary extracted from

  • Valadier, M.H.; Yoshida, A.; Grandjean, O.; Morin, H.; Kronenberger, J.; Boutet, S.; Raballand, A.; Hase, T.; Yoneyama, T.; Suzuki, A.
    Implication of the glutamine synthetase/glutamate synthase pathway in conditioning the amino acid metabolism in bundle sheath and mesophyll cells of maize leaves (2008), FEBS J., 275, 3193-3206.
    View publication on PubMed

Activating Compound

EC Number Activating Compound Comment Organism Structure
1.4.1.14 additional information NADH-GOGAT activity is induced at the end of the dark phase, peaks at the dark/light transition, and then becomes undetectable, there is a substantial increase in NADH-GOGAT activity at the end of the light phase Zea mays

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
1.4.7.1 chloroplast
-
 Zea mays 9507
-
1.4.7.1 cytoplasm
-
 Zea mays 5737
-
6.3.1.2 chloroplast isozyme GS2 Zea mays 9507
-
6.3.1.2 cytosol isozyme GS1 Zea mays 5829
-

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
6.3.1.2 Mg2+
-
 Zea mays

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
6.3.1.2 ATP + L-glutamate + NH3 Zea mays
-
 ADP + phosphate + L-glutamine
-
 ?

Organism

EC Number Organism UniProt Comment Textmining
1.4.1.14 Zea mays
-
 cultivar DEA
-
1.4.7.1 Zea mays P23225
-
-
6.3.1.2 Zea mays
-
 isozyme GS1 encoded by genes Gln1-1 to Gln1-4
-
6.3.1.2 Zea mays P25462 isozyme GS2 encoded by gene Gln2
-

Source Tissue

EC Number Source Tissue Comment Organism Textmining
1.4.1.14 bundle sheath
-
 Zea mays
-
1.4.1.14 leaf
-
 Zea mays
-
1.4.1.14 mesophyll
-
 Zea mays
-
1.4.7.1 bundle sheath cell
-
 Zea mays
-
1.4.7.1 leaf
-
 Zea mays
-
1.4.7.1 mesophyll
-
 Zea mays
-
6.3.1.2 leaf bundle sheath and mesophyll cells, expression analysis of isozyme GS1, overview Zea mays
-
6.3.1.2 leaf bundle sheath and mesophyll cells, expression analysis of isozyme GS2, overview Zea mays
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
6.3.1.2 additional information
-
 activity of isozyme GS1 in leaves during the early phase of grain filling of the plant, overview Zea mays
6.3.1.2 additional information
-
 activity of isozyme GS2 in leaves during the early phase of grain filling of the plant, overview Zea mays

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.4.1.14 L-glutamine + 2-oxoglutarate + NADH
-
 Zea mays L-glutamate + NAD+
-
 ?
1.4.7.1 L-glutamine + 2-oxoglutarate + reduced ferredoxin
-
 Zea mays L-glutamate + oxidized ferredoxin
-
 ?
6.3.1.2 ATP + L-glutamate + NH3
-
 Zea mays ADP + phosphate + L-glutamine
-
 ?

Synonyms

EC Number Synonyms Comment Organism
1.4.1.14 NADH-GOGAT
-
 Zea mays
1.4.7.1 Fd-GOGAT
-
 Zea mays
1.4.7.1 ferredoxin-GOGAT
-
 Zea mays
6.3.1.2 Glutamine synthetase
-
 Zea mays

Cofactor

EC Number Cofactor Comment Organism Structure
1.4.1.14 NADH
-
 Zea mays
1.4.7.1 Ferredoxin
-
 Zea mays
6.3.1.2 ATP
-
 Zea mays