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Literature summary for 3.1.3.2 extracted from

  • Waymack, P.P.; van Etten, R.L.
    Isolation and characterization of a homogeneous isoenzyme of wheat germ acid phosphatase (1991), Arch. Biochem. Biophys., 288, 621-633.
    View publication on PubMed

General Stability

General Stability Organism
50% loss of activity after lyophilization Triticum aestivum

Inhibitors

Inhibitors Comment Organism Structure
Ag+
-
Triticum aestivum
Cu2+
-
Triticum aestivum
Hg2+
-
Triticum aestivum
molybdate
-
Triticum aestivum
additional information substrate inhibition with some substrates below pH 6 Triticum aestivum

Metals/Ions

Metals/Ions Comment Organism Structure
Co2+ slight stimulation Triticum aestivum
Mg2+ slight stimulation Triticum aestivum

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
58000
-
and a second isoenzyme with 60000 Da, gel filtration Triticum aestivum
60000
-
and a second isoenzyme with 58000 Da, gel filtration Triticum aestivum

Organism

Organism UniProt Comment Textmining
Triticum aestivum
-
-
-

Posttranslational Modification

Posttranslational Modification Comment Organism
no modification does not contain carbohydrate chains with significant amounts of terminal mannose or galactose residues Triticum aestivum

Purification (Commentary)

Purification (Comment) Organism
-
Triticum aestivum

Source Tissue

Source Tissue Comment Organism Textmining
germ
-
Triticum aestivum
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
605
-
-
Triticum aestivum

Storage Stability

Storage Stability Organism
4°C, pH 4-7, protein concentration 1 mg/ml, half-life of partially purified enzyme is 3 months Triticum aestivum

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
22
-
room temperature, half-life: 3-4 days Triticum aestivum

pH Stability

pH Stability pH Stability Maximum Comment Organism
3 7.5 25°C, dramatic loss of activity above pH 7.5 and below pH 3.0 Triticum aestivum
4 7 maximal stability Triticum aestivum
8
-
25°C, half-life: 40 min Triticum aestivum