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Literature summary for 6.3.1.2 extracted from

  • Teixeira, J.; Pereira, S.; Canovas, F.; Salema, R.
    Glutamine synthetase of potato (Solanum tuberosum L. cv. Desiree) plants: cell- and organ-specific expression and differential developmental regulation reveal specific roles in nitrogen assimilation and mobilization (2005), J. Exp. Bot., 56, 663-671.
    View publication on PubMed
Search for more literature for 6.3.1.2

Localization

Localization Comment Organism GeneOntology No. Textmining
chloroplast isoenzyme GS2 Solanum tuberosum 9507
-
cytosol isoenzyme GS1 Solanum tuberosum 5829
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
42000
-
 x * 42000, isoenzyme GS1, SDS-PAGE Solanum tuberosum
45000
-
 x * 45000, isoenzyme GS2, SDS-PAGE Solanum tuberosum

Organism

Organism UniProt Comment Textmining
Solanum tuberosum
-
 L. cv. Desiree, isoenzyme GS1
-
Solanum tuberosum
-
 L. cv. Desiree, isoenzyme GS2
-

Source Tissue

Source Tissue Comment Organism Textmining
leaf decrease of GS2 during leaf senescence Solanum tuberosum
-
leaf increase of GS1 during leaf senescence, isoenzyme GS1 Solanum tuberosum
-
additional information GS1 is the only glutamine synthase detected in nonphotosynthetic tissues and in later leaf senescing stages Solanum tuberosum
-
root isoenzyme GS1 Solanum tuberosum
-
sprout isoenzyme GS1 Solanum tuberosum
-
stem isoenzyme GS1 Solanum tuberosum
-
tuber sprouting, isoenzyme GS1 Solanum tuberosum
-

Subunits

Subunits Comment Organism
? x * 42000, isoenzyme GS1, SDS-PAGE Solanum tuberosum
? x * 45000, isoenzyme GS2, SDS-PAGE Solanum tuberosum

Synonyms

Synonyms Comment Organism
GS1
-
 Solanum tuberosum
GS2
-
 Solanum tuberosum

pI Value

Organism Comment pI Value Maximum pI Value
Solanum tuberosum isoenzyme GS2
-
 4.7
Solanum tuberosum the GS1 polypeptide, less abundant and with pI 4.8, describes a short increase in its relative abundance from the second to the fourth leaf and then its abundance decreases as leaf age increased, being almost undetected in the sixth leaf extracts
-
 4.8
Solanum tuberosum isoenzyme GS1, the polypeptide population with pI 5.0 is more abundant in all the leaf developmental stages analysed, and increases with leaf age
-
 5