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Literature summary for 3.1.3.2 extracted from

  • Kamenan, A.; Diopoh, J.
    Purification and physicochemical properties of an acid phosphatase from Dioscorea cayenensis cytoplasm (1982), Plant Sci. Lett., 24, 173-182.
No PubMed abstract available

Inhibitors

Inhibitors Comment Organism Structure
2-mercaptoethanol slight inhibition Dioscorea cayenensis-rotundata
Ca2+
-
Dioscorea cayenensis-rotundata
EDTA
-
Dioscorea cayenensis-rotundata
Hg2+
-
Dioscorea cayenensis-rotundata
molybdate
-
Dioscorea cayenensis-rotundata
Na+
-
Dioscorea cayenensis-rotundata

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
2.85
-
p-nitrophenyl phosphate cytoplasmic enzyme Dioscorea cayenensis-rotundata

Localization

Localization Comment Organism GeneOntology No. Textmining
cytoplasm
-
Dioscorea cayenensis-rotundata 5737
-

Metals/Ions

Metals/Ions Comment Organism Structure
Mg2+ stimulates Dioscorea cayenensis-rotundata

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
98000
-
-
Dioscorea cayenensis-rotundata

Organism

Organism UniProt Comment Textmining
Dioscorea cayenensis-rotundata
-
-
-

Purification (Commentary)

Purification (Comment) Organism
cytoplasmic enzyme A Dioscorea cayenensis-rotundata

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
1600
-
-
Dioscorea cayenensis-rotundata

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1-naphthyl phosphate + H2O
-
Dioscorea cayenensis-rotundata 1-naphthol + phosphate
-
?
2',5'-ADP + H2O
-
Dioscorea cayenensis-rotundata ?
-
?
2-naphthyl phosphate + H2O
-
Dioscorea cayenensis-rotundata 2-naphthol + phosphate
-
?
3',5'-AMP + H2O
-
Dioscorea cayenensis-rotundata ?
-
?
ATP + H2O
-
Dioscorea cayenensis-rotundata ADP + phosphate
-
?
D-ribose 5-phosphate + H2O
-
Dioscorea cayenensis-rotundata D-ribose + phosphate
-
?
glyceraldehyde-3-phosphoric acid diethylacetal + H2O
-
Dioscorea cayenensis-rotundata ?
-
?
p-nitrophenyl phosphate + H2O
-
Dioscorea cayenensis-rotundata p-nitrophenol + phosphate
-
?
phenyl phosphate + H2O
-
Dioscorea cayenensis-rotundata phenol + phosphate
-
?

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
50
-
stable for at least 20 min Dioscorea cayenensis-rotundata

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
4.5
-
-
Dioscorea cayenensis-rotundata
5
-
-
Dioscorea cayenensis-rotundata

pH Stability

pH Stability pH Stability Maximum Comment Organism
4 7 at 0°C or at 37°C, stable Dioscorea cayenensis-rotundata