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Literature summary for 3.1.3.2 extracted from

  • Patil, K.; Mahajan, R.; Lautre, H.; Patil, V.
    Isolation, purification and characterization of acid phosphatase from Scenedesmus obliquus (2016), Res. J. Pharm. Biol. Chem. Sci., 7, 1584-1597 .
No PubMed abstract available

Activating Compound

Activating Compound Comment Organism Structure
Ca2+ about 112% activity at 1 mM Tetradesmus obliquus
Cu2+ about 130% activity at 1 mM Tetradesmus obliquus
EDTA about 120% activity at 1 mM Tetradesmus obliquus
Fe3+ about 120% activity at 1 mM Tetradesmus obliquus
guaiacol about 120% activity at 1 mM Tetradesmus obliquus
Triton X-100 about 115% activity at 1 mM Tetradesmus obliquus

Inhibitors

Inhibitors Comment Organism Structure
acetone about 70% residual activity at 1 mM Tetradesmus obliquus
butanol about 40% residual activity at 1 mM Tetradesmus obliquus
chloroform about 30% residual activity at 1 mM Tetradesmus obliquus
hexane about 90% residual activity at 1 mM Tetradesmus obliquus
Hg2+ about 95% residual activity at 1 mM Tetradesmus obliquus
isoamyl alcohol about 80% residual activity at 1 mM Tetradesmus obliquus
K+ strong inhibition, about 55% residual activity at 1 mM Tetradesmus obliquus
Mg2+ about 95% residual activity at 1 mM Tetradesmus obliquus
SDS strong inhibition, about 10% residual activity at 1 mM Tetradesmus obliquus
Tween 80 strong inhibition, about 60% residual activity at 1 mM Tetradesmus obliquus
Zn2+ about 70% residual activity at 1 mM Tetradesmus obliquus

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.24
-
4-nitrophenyl phosphate at pH 5.0 and 37°C Tetradesmus obliquus

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
56100
-
liquid crystal mass spectrometry analysis Tetradesmus obliquus

Organism

Organism UniProt Comment Textmining
Tetradesmus obliquus
-
-
-

Purification (Commentary)

Purification (Comment) Organism
ammonium sulfate precipitation, DEAE-cellulose column chromatography, and Sephadex G-75 gel filtration Tetradesmus obliquus

Storage Stability

Storage Stability Organism
4°C, enzyme extracted with ammonium sulfate precipitation, 1 week, 13.8% loss of activity Tetradesmus obliquus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
4-nitrophenyl phosphate + H2O
-
Tetradesmus obliquus 4-nitrophenol + phosphate
-
?

Subunits

Subunits Comment Organism
monomer 1 * 59410, SDS-PAGE Tetradesmus obliquus

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
50
-
-
Tetradesmus obliquus

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
30 60 the enzyme is most active between 30°C and 60°C. It retains more than 44% activity till 60°C, while the activity drops rapidly below 30°C and above 60°C Tetradesmus obliquus

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
37 50 the enzyme is fairly stable for 120 min at temperature up to 37°C. Above 50°C, the activity declines rapidly as the temperature is increased Tetradesmus obliquus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
5
-
-
Tetradesmus obliquus

pH Range

pH Minimum pH Maximum Comment Organism
4 6 the enzyme shows the most activity in the pH range 4.0-6.0, and its activity decreases sharply above pH 5.0 retaining 12% of maximum activity Tetradesmus obliquus