P1435
Phosphatase, sauer aus Süsskartoffeln
ammonium sulfate suspension, ≥10.0 units/mg protein (modified Warburg-Christian)
Synonym(e):
(Orthophosphoric-monoester phosphohydrolase [acid optimum] )
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About This Item
Empfohlene Produkte
Form
ammonium sulfate suspension
Qualitätsniveau
Spezifische Aktivität
≥10.0 units/mg protein (modified Warburg-Christian)
secondary activity
≤9.9 units/mg protein ATPase
Mol-Gew.
110 kDa
Lagertemp.
2-8°C
InChI
1S/C6H10O2/c1-3-4-8-5-6(2)7/h1,6-7H,4-5H2,2H3
InChIKey
GZCWLCBFPRFLKL-UHFFFAOYSA-N
Allgemeine Beschreibung
Acid phosphatase from sweet potato is a phosphomonoesterase, which can appear in multiple molecular forms of similar molecular mass but with different isoelectric points.
Anwendung
Potato acid phosphatase is used as a dephosphorylating reagent in thiochrome assays for the detection of thiamin in biological samples. In this assay, it was shown to be more effective than acid phosphatases from wheat germ or α-amylase.
Sweet potato acid phosphatase has been used in a study as a pre-column enzyme reactor via a covalent bond with glutaraldehyde and aminopropyl controlled-pore glass. It has also been used in a study to investigate the use of tyrosine, histidine, and cysteine as ligands for Mn(III) in sweet potato phosphatase.
Biochem./physiol. Wirkung
Acid phosphatases (APase) are a family of enzymes that non-specifically catalyze the hydrolysis of monoesters and anhydrides of phosphoric acid to produce inorganic phosphate at an optimum pH of 4 to 7 by the following reaction: APaseR-PO4 + H2O --------------- R-OH + HOPO3 2+Their function in the production, transport, and recycling of phosphate is critical for the metabolic and energy transduction processes of the cell. As a group, Apases may be as important as kinases in regulatory processes.
Einheitendefinition
One unit will hydrolyze 1.0 μmole of p-nitrophenyl phosphate per min at pH 4.8 at 37 °C.
Physikalische Form
Suspension in 1.8 M (NH4)2SO4, 10 mM MgCl2, pH 5.3
Signalwort
Danger
H-Sätze
P-Sätze
Gefahreneinstufungen
Resp. Sens. 1
Lagerklassenschlüssel
10 - Combustible liquids
WGK
WGK 3
Flammpunkt (°F)
Not applicable
Flammpunkt (°C)
Not applicable
Persönliche Schutzausrüstung
Eyeshields, Gloves, type N95 (US)
Analysenzertifikate (COA)
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D T Wyatt et al.
Clinical chemistry, 35(11), 2173-2178 (1989-11-01)
We analyzed extensively a modified thiochrome method for thiamin analysis. Acid phosphatase (EC 3.1.3.2) from potato was superior to either alpha-amylase or acid phosphatase from wheat germ as a dephosphorylating agent. Timing of cyanogen bromide exposure was important, but the
Mina Solhtalab et al.
Environmental science & technology, 56(22), 16441-16452 (2022-10-26)
Among ubiquitous phosphorus (P) reserves in environmental matrices are ribonucleic acid (RNA) and polyphosphate (polyP), which are, respectively, organic and inorganic P-containing biopolymers. Relevant to P recycling from these biopolymers, much remains unknown about the kinetics and mechanisms of different
An unstable manganese(III) complex incorporating ligand donor types proposed for an acid phosphatase from sweet potato: (p-nitrobenzenethiolato)[N,N'-ethylenebis(salicylideneaminato)]manganese(III)
Gohdes, J. and W. Armstrong
Inorganic Chemistry, 27, 1841-1842 (1988)
Tatsuya Kusudo et al.
Bioscience, biotechnology, and biochemistry, 67(7), 1609-1611 (2003-08-13)
Purple acid phosphatase (PAP) was purified from sweet potato dry powder, which is used as a food additive. Spectrometric and enzymatic analyses, and analysis of the amino-terminal sequence indicated that the purified purple acid phosphatase was PAP1. High activity in
G Schenk et al.
Archives of biochemistry and biophysics, 370(2), 183-189 (1999-10-08)
Purple acid phosphatases comprise a family of binuclear metal-containing acid hydrolases, representatives of which have been found in animals, plants, and fungi. The goal of this study was to characterize purple acid phosphatases from sweet potato tubers and soybean seeds
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