Literature summary for 6.3.1.2 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.

Search for more literature for 6.3.1.2

Localization

Localization	Comment	Organism	GeneOntology No.	Textmining
chloroplast	isozyme GS2	Zea mays	9507	-
cytosol	isozyme GS1	Zea mays	5829	-

Metals/Ions

Metals/Ions	Comment	Organism	Structure
Mg2+	-	Zea mays

Natural Substrates/ Products (Substrates)

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

Organism

Organism	UniProt	Comment	Textmining
Zea mays	-	isozyme GS1 encoded by genes Gln1-1 to Gln1-4	-
Zea mays	P25462	isozyme GS2 encoded by gene Gln2	-

Source Tissue

Source Tissue	Comment	Organism	Textmining
leaf	bundle sheath and mesophyll cells, expression analysis of isozyme GS1, overview	Zea mays	-
leaf	bundle sheath and mesophyll cells, expression analysis of isozyme GS2, overview	Zea mays	-

Specific Activity [micromol/min/mg]

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

Substrates	Comment Substrates	Organism	Products	Comment (Products)	Rev.	Reac.
ATP + L-glutamate + NH3	-	Zea mays	ADP + phosphate + L-glutamine	-	?

Synonyms

Synonyms	Comment	Organism
Glutamine synthetase	-	Zea mays

Cofactor

Cofactor	Comment	Organism	Structure
ATP	-	Zea mays

Use of this online version of BRENDA is free under the CC BY 4.0 license. See terms of use for full details.

Release 2023.1 (January 2023)