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Literature summary for 2.3.2.2 extracted from

  • Martin, M.N.; Saladores, P.H.; Lambert, E.; Hudson, A.O.; Leustek, T.
    Localization of members of the gamma-glutamyl transpeptidase family identifies sites of glutathione and glutathione S-conjugate hydrolysis (2007), Plant Physiol., 144, 1715-1732.
    View publication on PubMedView publication on EuropePMC

Localization

Localization Comment Organism GeneOntology No. Textmining
extracellular
-
Arabidopsis thaliana
-
-

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
additional information Arabidopsis thaliana the rosettes of GGT1 knockouts show premature senescence after flowering ?
-
?

Organism

Organism UniProt Comment Textmining
Arabidopsis thaliana O65652
-
-
Arabidopsis thaliana Q680I5
-
-
Arabidopsis thaliana Q9CAR5
-
-
Arabidopsis thaliana Q9M0G0
-
-

Source Tissue

Source Tissue Comment Organism Textmining
additional information GGT2 activity is below the detection limit of the assay in leaves and most other tissues of Arabidopsis Arabidopsis thaliana
-
additional information GGT4 activity, if present in the roots and stems, is near the limit of detection Arabidopsis thaliana
-
root
-
Arabidopsis thaliana
-
root GGT1 accounts for greater than 80% of the activity in stems and roots Arabidopsis thaliana
-
rosette GGT1 accounts for nearly 100% of the activity in rosettes Arabidopsis thaliana
-
stem
-
Arabidopsis thaliana
-
stem GGT1 accounts for greater than 80% of the activity in stems and roots Arabidopsis thaliana
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
5-L-glutamyl 4-nitroanilide + Gly-Gly in the standard GGT assay with gamma-glutamyl p-nitroanilide as substrate, GGT1 accounts for 80% to 99% of the activity in all tissues except seeds where GGT2 is 50% of the activity Arabidopsis thaliana 4-nitroaniline + 5-L-glutamyl-Gly-Gly
-
?
additional information the rosettes of GGT1 knockouts show premature senescence after flowering Arabidopsis thaliana ?
-
?

Synonyms

Synonyms Comment Organism
At1g69820
-
Arabidopsis thaliana
At4g29210
-
Arabidopsis thaliana
At4g39640
-
Arabidopsis thaliana
At4g39650
-
Arabidopsis thaliana
GGT1
-
Arabidopsis thaliana
GGT2
-
Arabidopsis thaliana
GGT3
-
Arabidopsis thaliana
GGT4
-
Arabidopsis thaliana