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A2230
Apyrase aus Kartoffeln
High Activity, ATPase ≥600 units/mg protein, lyophilized powder
Synonym(e):
Adenosin-5′-diphosphatase, Adenosin-5′-triphosphatase und Adenosin-5′-diphosphatase.
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About This Item
CAS-Nummer:
MDL-Nummer:
UNSPSC-Code:
12352204
NACRES:
NA.54
Empfohlene Produkte
Biologische Quelle
potato
Qualitätsniveau
Form
lyophilized powder
Qualität
High Activity
ATPase activity
≥600 units/mg protein
secondary activity
≥50 % of base activity ADPase
Zusammensetzung
protein, ≥30%
Fremdaktivität
Acid Phosphatase ≤2% of base activity
Versandbedingung
wet ice
Lagertemp.
−20°C
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Anwendung
Apyrase is used to hydrolyze nucleoside triphosphates and diphosphates. Apyrase, from Sigma, has been used in inhibition studies of platelet-aggregation . Product A2230 is a high activity apyrase.
Mindestens zwei Isoenzyme kommen in verschiedenen Varietäten von S. tuberosum vor: eines mit einem hohen ATPase/ADPase-Verhältnis (∼10) und ein weiteres mit einem niedrigen Verhältnis (∼1).
Reaktion: ATP → ADP+Pi → AMP+2Pi.
Reaktion: ATP → ADP+Pi → AMP+2Pi.
Biochem./physiol. Wirkung
Apyrase is found in all eukaryotes and some prokaryotes. Apyrase, from potato, has a crucial role in regulating growth and development. Apyrase is involved in the inactivation of synaptic ATP as a neurotransmitter following nerve stimulation and in the inhibition of ADP induced platelet aggregation to prevent thrombosis . Divalent metal ions are required for activity and best activity is observed with calcium ion at 5 mM.
Verpackung
Sold on the basis of ATPase units.
Einheitendefinition
One unit will liberate 1.0 μmole of inorganic phosphate from ATP or ADP per min at pH 6.5 at 30 °C.
Physikalische Form
Lyophilized powder containing potassium succinate buffer salts.
Angaben zur Herstellung
Derived from red potato
Signalwort
Danger
H-Sätze
P-Sätze
Gefahreneinstufungen
Resp. Sens. 1
Lagerklassenschlüssel
11 - Combustible Solids
WGK
WGK 3
Flammpunkt (°F)
Not applicable
Flammpunkt (°C)
Not applicable
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