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Literature summary for 3.1.1.2 extracted from

  • Cummins, I.; Burnet, M.; Edwards, R.
    Biochemical characterization of esterases active in hydrolysing xenobiotics in wheat and competing weeds (2001), Physiol. Plant., 113, 477-485.
No PubMed abstract available

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
4.2
-
4-nitrophenyl acetate pH 7.2, 37°C Triticum aestivum

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
45000
-
gel filtration Triticum aestivum

Organism

Organism UniProt Comment Textmining
Alopecurus myosuroides
-
2 populations, one of which, Rothamsted, is suceptible to herbicides, while the other, Peldon, shows cross-resistance to multiple classes of herbicides
-
Avena fatua
-
-
-
Triticum aestivum
-
cv. Hunter
-

Purification (Commentary)

Purification (Comment) Organism
7300fold Triticum aestivum
partially Avena fatua
partially Alopecurus myosuroides

Source Tissue

Source Tissue Comment Organism Textmining
shoot
-
Triticum aestivum
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.00014
-
partially purified enzyme, substrate diclofop methyl Avena fatua
0.00024
-
partially purified enzyme, substrate binapacryl Triticum aestivum
0.00031
-
partially purified enzyme, substrate binapacryl, population Rothamsted Alopecurus myosuroides
0.00043
-
partially purified enzyme, substrate binapacryl, population Peldon Alopecurus myosuroides
0.00049
-
partially purified enzyme, substrate binapacryl Avena fatua
0.00066
-
partially purified enzyme, substrate diclofop methyl Alopecurus myosuroides
0.0048
-
partially purified enzyme, substrate bromoxynil octanoate, population Peldon Alopecurus myosuroides
0.0056
-
partially purified enzyme, substrate bromoxynil octanoate Triticum aestivum
0.006
-
purified enzyme, substrate binapacryl Triticum aestivum
0.0061
-
partially purified enzyme, substrate bromoxynil octanoate, population Rothamsted Alopecurus myosuroides
0.007
-
partially purified enzyme, substrate bromoxynil octanoate Avena fatua
0.03
-
partially purified enzyme, substrate 4-nitrophenyl acetate Avena fatua
0.04
-
partially purified enzyme, substrate 4-nitrophenyl acetate Alopecurus myosuroides
0.08
-
partially purified enzyme, substrate 4-nitrophenyl acetate Triticum aestivum
0.19
-
purified enzyme, substrate bromoxynil octanoate Triticum aestivum
4.18
-
purified enzyme, substrate 4-nitrophenyl butyrate Triticum aestivum
77.9
-
purified enzyme, substrate 4-nitrophenyl acetate Triticum aestivum
159.2
-
purified enzyme, substrate beta-naphthyl acetate Triticum aestivum
170.7
-
purified enzyme, substrate alpha-naphthyl acetate Triticum aestivum

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
4-nitrophenyl acetate + H2O
-
Triticum aestivum 4-nitrophenol + acetate
-
?
4-nitrophenyl acetate + H2O
-
Avena fatua 4-nitrophenol + acetate
-
?
4-nitrophenyl acetate + H2O
-
Alopecurus myosuroides 4-nitrophenol + acetate
-
?
alpha-naphthyl acetate + H2O
-
Triticum aestivum alpha-naphthol + acetate
-
?
alpha-naphthyl acetate + H2O
-
Avena fatua alpha-naphthol + acetate
-
?
alpha-naphthyl acetate + H2O
-
Alopecurus myosuroides alpha-naphthol + acetate
-
?
binapacryl + H2O
-
Triticum aestivum ?
-
?
binapacryl + H2O
-
Avena fatua ?
-
?
binapacryl + H2O
-
Alopecurus myosuroides ?
-
?
bromoxynil octanoate + H2O
-
Triticum aestivum ?
-
?
bromoxynil octanoate + H2O
-
Avena fatua ?
-
?
bromoxynil octanoate + H2O
-
Alopecurus myosuroides ?
-
?
diclofop methyl + H2O
-
Triticum aestivum ?
-
?
diclofop methyl + H2O
-
Avena fatua ?
-
?
diclofop methyl + H2O
-
Alopecurus myosuroides ?
-
?
additional information no activity with 4-nitrophenyl caprylate and diclofop methyl Triticum aestivum ?
-
?

Subunits

Subunits Comment Organism
monomer 1 * 45000, SDS-PAGE Triticum aestivum

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
37
-
assay at Triticum aestivum
37
-
assay at Avena fatua
37
-
assay at Alopecurus myosuroides

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.2
-
assay at Triticum aestivum
7.2
-
assay at Avena fatua
7.2
-
assay at Alopecurus myosuroides

pI Value

Organism Comment pI Value Maximum pI Value
Triticum aestivum isoelectric focusing 4.7 4.6