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SRE0019

Apyrase from potatoes

Suitable for manufacturing of diagnostic kits and reagents, ATPase ≥200 units/mg protein

Synonym(s):

Apyrase from potatoes, Adenosine 5′-diphosphatase, Adenosine 5′-triphosphatase

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About This Item

CAS Number:
UNSPSC Code:
12352204
NACRES:
NA.32
EC Number:
232-569-8
MDL number:
EC Number:
Technical Service
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Quality Level

type

Grade VII

form

lyophilized powder

ATPase activity

≥200 units/mg protein

secondary activity

≥50 % of base activity ADPase

composition

Protein, 25-60%

solubility

H2O: soluble 1.0 mg/mL

application(s)

diagnostic assay manufacturing

foreign activity

Acid Phosphatase ≤2% of base activity

storage temp.

−20°C

Application

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.
At least two isoenzymes are found in different varieties of S. tuberosum: one with a high ATPase/ADPase ratio (∼10) and another with a low ratio (∼1).
Reaction: ATP → ADP+Pi → AMP+2Pi.

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.

Physical form

Partially purified, lyophilized powder containing potassium succinate buffer salts.

Preparation Note

Sold on the basis of ATPase units.

Other Notes

One unit will liberate 1.0 μmole of inorganic phosphate from ATP or ADP per min at pH 6.5 at 30 °C.
This grade has a low ATPase/ADPase ratio.


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pictograms

Health hazard

signalword

Danger

hcodes

Hazard Classifications

Resp. Sens. 1

Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

低风险生物材料

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Kettlun, A., et al.
Phytochemistry, 21, 551-551 (1982)
Differentiation of platelet-aggregating effects of human tumor cell lines based on inhibition studies with apyrase, hirudin, and phospholipase.
E Bastida et al.
Cancer research, 42(11), 4348-4352 (1982-11-01)
David Riewe et al.
Plant physiology, 147(3), 1092-1109 (2008-05-16)
Apyrases hydrolyze nucleoside triphosphates and diphosphates and are found in all eukaryotes and a few prokaryotes. Although their enzymatic properties have been well characterized, relatively little is known regarding their subcellular localization and physiological function in plants. In this study



Global Trade Item Number

SKUGTIN
SRE0019-100UN04061833226650
SRE0019-1KU04061826704035
SRE0019-200UN04061833226667
SRE0019-2KU04061833226674
SRE0019-500UN04061833226681