Literature summary extracted from

Martin, A.; Lee, J.; Kichey, T.; Gerentes, D.; Zivy, M.; Tatout, C.; Dubois, F.; Balliau, T.; Valot, B.; Davanture, M.; Terce-Laforgue, T.; Quillere, I.; Coque, M.; Gallais, A.; Gonzalez-Moro, M.B.; Bethencourt, L.; Habash, D.Z.; Lea, P.J.; Charcosset, A.; Perez, P.; Murigneux, A.; Sakakibara, H.; Ed, E.d.w.
Two cytosolic glutamine synthetase isoforms of maize are specifically involved in the control of grain production (2006), Plant Cell, 18, 3252-3274.

Protein Variants

EC Number	Protein Variants	Comment	Organism
6.3.1.2	gln1-3gln1-4 mutant	74% decrease in GS1 activity compared to the wild type enzyme	Zea mays
6.3.1.2	gln1-3gln1-4 mutant	increased GS2 activity compared to the wild type enzyme	Zea mays
6.3.1.2	gln1-3mutant	45% decrease in GS1 activity compared to the wild type enzyme	Zea mays
6.3.1.2	gln1-3mutant	increased GS2 activity compared to the wild type enzyme	Zea mays
6.3.1.2	gln1-4 mutant	16% decrease in GS1 activity compared to the wild type enzyme	Zea mays
6.3.1.2	gln1-4 mutant	increased GS2 activity compared to the wild type enzyme	Zea mays

EC Number	Localization	Comment	Organism	GeneOntology No.	Textmining
6.3.1.2	cytosol	-	Zea mays	5829	-
6.3.1.2	plastid	-	Zea mays	9536	-

EC Number	Molecular Weight [Da]	Molecular Weight Maximum [Da]	Comment	Organism
6.3.1.2	40000	-	SDS-PAGE	Zea mays
6.3.1.2	44000	-	SDS-PAGE	Zea mays

EC Number	Organism	UniProt	Comment	Textmining
6.3.1.2	Zea mays	P38562	isozyme GS1-3	-
6.3.1.2	Zea mays	P38562	isozyme GS1-4	-

EC Number	Source Tissue	Comment	Organism	Textmining
6.3.1.2	leaf	-	Zea mays	-
6.3.1.2	root	-	Zea mays	-

EC Number	Substrates	Comment Substrates	Organism	Products	Comment (Products)	Rev.	Reac.
6.3.1.2	ATP + L-Glu + NH4+	-	Zea mays	ADP + phosphate + L-Gln	-	?

EC Number	Synonyms	Comment	Organism
6.3.1.2	GS1	-	Zea mays
6.3.1.2	GS2	-	Zea mays