A6132
Apyrase from potatoes
ATPase ≥3.0 units/mg protein, lyophilized powder
Synonyme(s) :
Adénosine 5′-diphosphatase, Adénosine 5′-triphosphatase
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About This Item
Produits recommandés
Source biologique
potato
Niveau de qualité
Type
Grade I
Forme
lyophilized powder
ATPase activity
≥3.0 units/mg protein
Composition
Protein, 30-60%
Température de stockage
−20°C
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Application
Apyrase is used to hydrolyze nucleoside triphosphates and diphosphates. Apyrase, from Sigma, has been used in inhibition studies of platelet-aggregation .
Au moins deux isoenzymes sont présentes dans diverses souches de S. tuberosum : l′une avec un rapport ATPase/ADPase élevé (∼ 10) et l′autre avec un rapport faible (∼ 1).
Réaction : ATP → ADP+Pi → AMP+2Pi.
Réaction : ATP → ADP+Pi → AMP+2Pi.
Actions biochimiques/physiologiques
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.
Conditionnement
Sold on the basis of ATPase units.
Autres remarques
Mixture of high and low ratio isoenzymes.
Définition de l'unité
One unit will liberate 1.0 micromole of inorganic phosphorus per minute at pH 6.5 at 30 °C
Forme physique
Partially purified, lyophilized powder containing potassium succinate
Mention d'avertissement
Danger
Mentions de danger
Conseils de prudence
Classification des risques
Resp. Sens. 1
Code de la classe de stockage
11 - Combustible Solids
Classe de danger pour l'eau (WGK)
WGK 1
Point d'éclair (°F)
Not applicable
Point d'éclair (°C)
Not applicable
Équipement de protection individuelle
Eyeshields, Gloves, type N95 (US)
Certificats d'analyse (COA)
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