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Literature summary for 3.1.3.2 extracted from

  • Hoehamer, C.F.; Mazur, C.S.; Wolfe, N.L.
    Purification and partial characterization of an acid phosphatase from Spirodela oligorrhiza and its affinity for selected organophosphate pesticides (2005), J. Agric. Food Chem., 53, 90-97.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
additional information poor inhibition by Zn2+, Mn2+, Mg2+, EDTA, and EGTA at 5 mM each Landoltia punctata
phosphate competitive, 54% inhibition at 5 mM Landoltia punctata

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
60000
-
2 * 60000, SDS-PAGE Landoltia punctata
120000
-
gel filtration and native PAGE Landoltia punctata

Organism

Organism UniProt Comment Textmining
Landoltia punctata
-
aquatic duckweed
-

Purification (Commentary)

Purification (Comment) Organism
1871fold by ammonium sulfate precipitation, hydrophobic interaction and ion exchange chromatography, and gel filtration Landoltia punctata

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
-
Landoltia punctata
118
-
purified enzyme, substrate 4-nitrophenyl phosphate Landoltia punctata
125
-
purified enzyme, substrate ATP Landoltia punctata
131
-
purified enzyme, substrate diphosphate Landoltia punctata
156
-
purified enzyme, substrate AMP Landoltia punctata

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2,2-dichlorovinyl dimethylphosphate + H2O i.e. dichlorvos, an organophosphate pesticide, complete degradation Landoltia punctata ?
-
?
3-phosphoglycerate + H2O
-
Landoltia punctata glycerate + phosphate
-
?
4-methylumbelliferyl phosphate + H2O
-
Landoltia punctata 4-methylumbelliferol + phosphate
-
?
4-nitrophenyl phosphate + H2O
-
Landoltia punctata 4-nitrophenol + phosphate
-
?
ADP + H2O
-
Landoltia punctata AMP + phosphate
-
?
AMP + H2O best substrate Landoltia punctata adenosine + phosphate
-
?
ATP + H2O
-
Landoltia punctata ADP + phosphate
-
?
diphosphate + H2O
-
Landoltia punctata 2 phosphate
-
?
additional information no activity with the pesticide dylox Landoltia punctata ?
-
?
O,O,O,O-tetraethyldithiodiphosphate + H2O i.e. sulfatep, an organophosphate pesticide, 50% degradation Landoltia punctata ?
-
?
O,O-dimethyl O-4-nitrophenyl phosphate + H2O i.e. paraoxon, an organophosphate pesticide Landoltia punctata ?
-
?
O-2-chloro-4-nitrophenyl O,O-dimethylphosphorothionate + H2O i.e. dicapthon, an organophosphate pesticide, complete degradation Landoltia punctata ?
-
?
phospho-L-serine + H2O
-
Landoltia punctata L-serine + phosphate
-
?
S-1,2-bis(ethoxycarbonyl)ethyl O,O-dimethylphosphorodithionate + H2O i.e. malathion, an organophosphate pesticide, 95% degradation Landoltia punctata ?
-
?
S-2-ethylthioethyl O,O-dimethylphosphothionate + H2O i.e. demeton-S-methyl, an organophosphate pesticide, 36% degradation Landoltia punctata ?
-
?

Subunits

Subunits Comment Organism
dimer 2 * 60000, SDS-PAGE Landoltia punctata

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
25
-
-
Landoltia punctata

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
10 40 stable Landoltia punctata

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6
-
-
Landoltia punctata

pH Range

pH Minimum pH Maximum Comment Organism
5 8 90% of maximal activity at pH 5.0, 20% at pH 8.0, substrate 4-nitrophenyl phosphate Landoltia punctata