A7646
Sigma

Apyrase from potato

ATPase 40-200 units/mg protein, lyophilized powder (partially purified)

Synonym

Adenosine 5′-diphosphatase

Adenosine 5′-triphosphatase

CAS Number

9000-95-7

Enzyme Commission (EC) Number

3.6.1.5 ( BRENDA | IUBMB )

MDL number

MFCD00130542

EG/EC Number

232-569-8

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Descriptions

Application

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

Other Notes

Mixture of high and low ratio isoenzymes.

Packaging

Sold on the basis of ATPase units

Quality

Contains ≤ 5% acid phosphatase.

Unit Definition

One unit will liberate 1.0 μmole of inorganic phosphate from ATP or ADP per min at pH 6.5 at 30 °C.

Properties

type

Grade III

form

lyophilized powder (partially purified)

composition

Protein, 30-60%

foreign activity

Acid Phosphatase ≤5% of base activity

storage temp.

−20°C

References

Cited Reference

1. Kettlun, A., et al. Phytochemistry 21, 551, (1982)

2. Molnar, J. and Lorand, L. Arch. Biochem. Biophys. 93, 353, (1961)

Merck

Merck 13,763

Safety

WGK Germany

3-10-21

Related Categories

... General Metabolic Enzymes > General Metabolic Enzymes A-H

... General Metabolic Enzymes > Nucleotide Metabolism

... 3.x.x.x Hydrolases > 3.6.x.x Acting on acid anhydrides

A7646 - Product Information Sheet (23kb)

A7646 - Enzyme Assay (29kb)

MSDS

Specification Sheet

Certificate of Analysis

Certificate of Origin

More Information