Adenosine Deaminase from bovine spleen, Type IX, ammonium sulfate suspension, 150-200 units/mg prote

Stock Code: 3578976
Manufacturer Part No: A5168-1KU

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Descriptions

Analysis Note

Protein determined by biuret.

Application

Adenosine deaminase is useful in various molecular biology assays, such as glycerol release assays . Adenosine deaminase is a potential target for treatments of combined immunodeficiency disease.

Adenosine Deaminase from bovine spleen has been used to metabolize adenosine triphosphate (ATP) and adenosine to an inactive form (inosine). It has also been used to as an additive in KRH (Krebs?Ringer solution buffered with Hepes, containing CaCl2) medium in order to remove exogenous adenosine for cyclic adenosine monophosphate (cAMP) assay.

Biochem/physiol Actions

Adenosine deaminase is a purine catabolic enzyme which catalyzes the deamination of adenosine and 2′-deoxyadenosine with approximately equal specificity. It is ubiquitous in mammalian tissue, and deficiency in adenosine deaminase has been associated with severe combined immunodeficiency disease.

Adenosine deaminase/ADA can be used as an important marker to identify tuberculouspleural effusion. The activity of ADA is usually high in liver disease, tuberculosis,typhoid, infectivemononucleosisand several malignancies.

General description

Adenosine deaminase/ADA is an enzyme, that is mainly present in lymphocytesandmonocytes.

Molecular weight: 32.5-33 kDapI: 4.85

Physical form

Suspension in 3.2 M (NH₄)₂SO₄, 0.01 M potassium phosphate, pH 6.0

Unit Definition

One unit will deaminate 1.0 µmole of adenosine to inosine per min at pH 7.5 at 25 °C.