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Literature summary for 4.3.2.9 extracted from

  • Paulose, B.; Chhikara, S.; Coomey, J.; Jung, H.I.; Vatamaniuk, O.; Dhankher, O.P.
    A gamma-glutamyl cyclotransferase protects Arabidopsis plants from heavy metal toxicity by recycling glutamate to maintain glutathione homeostasis (2013), Plant Cell, 25, 4580-4595.
    View publication on PubMedView publication on EuropePMC

Cloned(Commentary)

Cloned (Comment) Organism
expressed in Saccharomyces cerevisiae strain HD9 Arabidopsis thaliana

Organism

Organism UniProt Comment Textmining
Arabidopsis thaliana
-
-
-

Source Tissue

Source Tissue Comment Organism Textmining
flower
-
Arabidopsis thaliana
-
meristem
-
Arabidopsis thaliana
-
root
-
Arabidopsis thaliana
-
sepal
-
Arabidopsis thaliana
-
vascular tissue
-
Arabidopsis thaliana
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
5-L-glutamyl-L-alanine low activity compared to glutathione Arabidopsis thaliana 5-oxoproline + L-alanine
-
?
glutathione
-
Arabidopsis thaliana 5-oxoproline + L-Cys-Gly
-
?

Synonyms

Synonyms Comment Organism
gamma-glutamyl cyclotransferase
-
Arabidopsis thaliana
GGCT2;1 isoform Arabidopsis thaliana

Expression

Organism Comment Expression
Arabidopsis thaliana the enzyme is upregulated after 0.025 mM arsenite treatment up

General Information

General Information Comment Organism
metabolism isoform GGCT2;1 participates in the cellular response to arsenic via glutathione degradation. The enzyme ensures sufficient glutathione turnover during abiotic stress by recycling L-Glu. Enzyme overexpression provides enhanced arsenite tolerance in Arabidopsis and decreases nitrogen requirement under arsenite toxicity Arabidopsis thaliana