A7646
Apirasa from potatoes
ATPase ≥60 units/mg protein, lyophilized powder (partially purified)
Sinónimos:
Adenosina 5′-difosfatasa, Adenosina 5′-trifosfatasa
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Número CAS:
UNSPSC Code:
12352204
NACRES:
NA.54
EC Number:
232-569-8
MDL number:
Biological source:
potato
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Permítanos ayudarlebiological source
potato
type
Grade III
form
lyophilized powder (partially purified)
ATPase activity
≥60 units/mg protein
mol wt
~49 kDa by gel filtration
composition
Protein, 30-60%
solubility
H2O: soluble 10 mg/mL, slightly hazy
application(s)
diagnostic assay manufacturing
foreign activity
Acid Phosphatase ≤5% of base activity
storage temp.
−20°C
Quality Level
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Application
Se encuentran al menos dos isoenzimas en diferentes variedades de S. tuberosum: una con una elevada relación ATPasa/ADPasa (∼10) y otra con una relación baja (∼1).
Reacción: ATP → ADP+Pi → AMP+2Pi.
Reacción: ATP → ADP+Pi → AMP+2Pi.
Apyrase is used to hydrolyze nucleoside triphosphates and diphosphates. For hydrolysis of organic di and triphosphates, the optimal pH is 6, and for inorganic substrates, the optimal pH is 5.1 Apyrase, from Sigma, has been used in inhibition studies of platelet-aggregation. The enzyme has been used to assess the possibility of ATP involvement in intestinal lamina propria Th17 cell differentiation.
Biochem/physiol Actions
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. The molecular weight of the protein is found to be approximately 45 kDa.
Packaging
Sold on the basis of ATPase units
Analysis Note
Enthält Säurephosphatase.
Other Notes
Mixture of high and low ratio isoenzymes.
One unit will liberate 1.0 μmole of inorganic phosphate from ATP or ADP per min at pH 6.5 at 30 °C.
signalword
Danger
hcodes
pcodes
Hazard Classifications
Resp. Sens. 1
Clase de almacenamiento
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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Yen-Ta Chen et al.
Journal of tissue engineering and regenerative medicine, 13(12), 2155-2168 (2019-09-11)
This study tested the hypothesis that preactivated and disaggregated shape-changed platelet (PreD-SCP) therapy significantly protected rat kidney from ischemia-reperfusion (IR) injury. Adult-male Sprague-Dawley rats (n = 24) were equally categorized into Groups 1 (sham-operated control [SC]), 2 (SC + PreD-SCP)
Properties of Two Apyrases from Solanum tuberosum
Kettlun, A. et al.
Phytochemistry, 21(3), 551-558 (1982)
Koji Atarashi et al.
Nature, 455(7214), 808-812 (2008-08-22)
Interleukin (IL)-17-producing CD4(+) T lymphocytes (T(H)17 cells) constitute a subset of T-helper cells involved in host defence and several immune disorders. An intriguing feature of T(H)17 cells is their selective and constitutive presence in the intestinal lamina propria. Here we
Mathieu F Chevalier et al.
Blood, 121(1), 29-37 (2012-10-09)
Natural regulatory T cells (Tregs) participate in responses to various chronic infections including HIV. HIV infection is associated with a progressive CD4 lymphopenia and defective HIV-specific CD8 responses known to play a key role in the control of viral replication.
Nicholas J Roberts et al.
Plant physiology, 161(1), 556-567 (2012-11-09)
Nodulation in legumes requires the recognition of rhizobially made Nod factors. Genetic studies have revealed that the perception of Nod factors involves LysM domain receptor-like kinases, while biochemical approaches have identified LECTIN NUCLEOTIDE PHOSPHOHYDROLASE (LNP) as a Nod factor-binding protein.
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