P1435
Phosphatase, Acid from sweet potato
ammonium sulfate suspension, ≥10.0 units/mg protein (modified Warburg-Christian)
Synonyme(s) :
(Orthophosphoric-monoester phosphohydrolase [acid optimum] )
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About This Item
Produits recommandés
Forme
ammonium sulfate suspension
Niveau de qualité
Activité spécifique
≥10.0 units/mg protein (modified Warburg-Christian)
secondary activity
≤9.9 units/mg protein ATPase
Poids mol.
110 kDa
Température de stockage
2-8°C
InChI
1S/C6H10O2/c1-3-4-8-5-6(2)7/h1,6-7H,4-5H2,2H3
Clé InChI
GZCWLCBFPRFLKL-UHFFFAOYSA-N
Description générale
Acid phosphatase from sweet potato is a phosphomonoesterase, which can appear in multiple molecular forms of similar molecular mass but with different isoelectric points.
Application
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.
Actions biochimiques/physiologiques
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.
Définition de l'unité
One unit will hydrolyze 1.0 μmole of p-nitrophenyl phosphate per min at pH 4.8 at 37 °C.
Forme physique
Suspension in 1.8 M (NH4)2SO4, 10 mM MgCl2, pH 5.3
Mention d'avertissement
Danger
Mentions de danger
Conseils de prudence
Classification des risques
Resp. Sens. 1
Code de la classe de stockage
10 - Combustible liquids
Classe de danger pour l'eau (WGK)
WGK 3
Point d'éclair (°F)
Not applicable
Point d'éclair (°C)
Not applicable
Équipement de protection individuelle
Eyeshields, Gloves, type N95 (US)
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Les clients ont également consulté
S M Duff et al.
Proceedings of the National Academy of Sciences of the United States of America, 88(21), 9538-9542 (1991-11-01)
Induction of phosphatase activity is an important component of the plant cell response to phosphate deficiency. Suspension cell cultures of Brassica nigra contain two major inducible acid phosphatase (APase) isozymes; vacuolar phosphoenolpyruvate (PEP) APase and cell wall nonspecific APase. Polyclonal
H Kawabe et al.
Biochimica et biophysica acta, 784(1), 81-89 (1984-01-18)
The function of Mn(III) in plant acid phosphatase has been investigated by a metal-substitution study, and some properties of the Fe(III)-substituted enzyme were compared with those of the native Mn(III) enzyme and mammalian Fe(III)-containing acid phosphatases. 19F nuclear magnetic resonance
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
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
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
Articles
Instructions for working with enzymes supplied as ammonium sulfate suspensions
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