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Literature summary for 2.5.1.18 extracted from

  • Yang, X.; Sun, W.; Liu, J.P.; Liu, Y.J.; Zeng, Q.Y.
    Biochemical and physiological characterization of a tau class glutathione transferase from rice (Oryza sativa) (2009), Plant Physiol. Biochem., 47, 1061-1068.
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
tau class GST gene OsGSTU17, DNA and amino acid sequence determination and analysis, overexpression of His6-tagged GSTU17 in Escherichia coli strain Bl21 Oryza sativa

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.058
-
glutathione pH 7.4, 37°C Oryza sativa
0.324
-
7-Chloro-4-nitrobenzo-2-oxa-1,3-diazole pH 7.4, 37°C Oryza sativa

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
25180
-
x * 25180, GSTU17, sequence calculation Oryza sativa

Organism

Organism UniProt Comment Textmining
Oryza sativa Q93WY5 GSTU17; isozyme GSTU17
-

Source Tissue

Source Tissue Comment Organism Textmining
bud low expression of GSTU17 Oryza sativa
-
leaf high expression of GSTU17 in mature, lower in young leaves, no expression in immature leaves Oryza sativa
-
root low expression of GSTU17 Oryza sativa
-
stem low expression of GSTU17 Oryza sativa
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.203
-
GSTU17, substrate 7-chloro-4-nitrobenzo-2-oxa-1,3-diazole Oryza sativa

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
glutathione + 1-chloro-2,4-dinitrobenzene
-
Oryza sativa S-(2,4-dinitrophenyl)glutathione + HCl
-
?
glutathione + 4-nitrobenzo-2-oxa-1,3-diazole
-
Oryza sativa ?
-
?
glutathione + 7-chloro-4-nitrobenzo-2-oxa-1,3-diazole
-
Oryza sativa ?
-
?
glutathione + cumene hydroperoxide
-
Oryza sativa ?
-
?
additional information no activity with 1,2-dichloro-4-nitrobenzene, 4-nitrophenyl acetate, and ethacrynic acid Oryza sativa ?
-
?

Subunits

Subunits Comment Organism
? x * 25180, GSTU17, sequence calculation Oryza sativa
More structure homology modeling Oryza sativa

Synonyms

Synonyms Comment Organism
GSTU17
-
Oryza sativa
tau class glutathione transferase
-
Oryza sativa
tau class GST
-
Oryza sativa

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
35 40
-
Oryza sativa

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
25 65
-
Oryza sativa

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
0.257
-
7-Chloro-4-nitrobenzo-2-oxa-1,3-diazole pH 7.4, 37°C Oryza sativa
0.264
-
glutathione pH 7.4, 37°C Oryza sativa

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.5
-
-
Oryza sativa

pH Range

pH Minimum pH Maximum Comment Organism
5.5 8.5 activity range of GSTU17 Oryza sativa

General Information

General Information Comment Organism
metabolism the classical phase II detoxification glutathione transferases are key metabolic enzymes that catalyze the conjugation of glutathione to various electrophilic compounds Oryza sativa

kcat/KM [mM/s]

kcat/KM Value [1/mMs-1] kcat/KM Value Maximum [1/mMs-1] Substrate Comment Organism Structure
0.013
-
7-Chloro-4-nitrobenzo-2-oxa-1,3-diazole pH 7.4, 37°C Oryza sativa
0.076
-
glutathione pH 7.4, 37°C Oryza sativa