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Merck

10102105001

Roche

Adenosine Deaminase (ADA)

from calf intestine

Synonyme(s) :

ADA

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A propos de cet article

UNSPSC Code:
12352204
Numéro CE :
NACRES:
NA.54
Specific activity:
~200 units/mg protein (At 25 °C with adenosine as the substrate.)
Biological source:
bovine (calf) intestine
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biological source

bovine (calf) intestine

form

solution

specific activity

~200 units/mg protein (At 25 °C with adenosine as the substrate.)

mol wt

230-440 kDa (high), 30-47 kDa (low )

packaging

pkg of 2 mL (10 mg)

manufacturer/tradename

Roche

optimum pH

7.0-7.4

shipped in

wet ice

storage temp.

2-8°C

General description

Adenosine deaminase (ADA) is a zinc metalloenzyme.
Adenosine Deaminase (ADA) is present majorly in the proximal small intestine and the duodenum. It is also called Adenosine aminohydrolase. It is a zinc metalloenzyme and exists as a high (230−440 kDa) and low molecular weight (30−47 kDa) isoforms.

Application

Adenosine deaminase has been used to pre-treat primary Kupffer cells.
Adenosine Deaminase (ADA) has been used as a component of macrophage- serum-free media (SFM) to treat macrophages.

Biochem/physiol Actions

Adenosine deaminase (ADA) is involved in the deamination of adenosine to inosine and 2′ deoxyadenosine to 2′-deoxyinosine.
Adenosine Deaminase (ADA) catalyzes the deamination of adenosine analogs to the corresponding inosine analogs. It is present in high levels in colorectal cancer and is a potential marker in tuberculous pleuriti. ADA deficiency affects T-and B-lymphocytes resulting in severe combined immunodeficiency (SCID) leading to lymphocytopenia.

Physical form

Solution in 50% glycerol (v/v), 10 mM potassium phosphate, pH approximately 6

Preparation Note

Storage conditions (working solution): ADA (all preparations) may be dialyzed, without loss of activity, at 2 to 8 °C against 20 mM phosphate buffer, pH 7. The dialyzed preparation is stable at -15 to -25 °C.

Analysis Note

Contaminants: <0.01% alkaline phosphatase, AMP-deaminase, guanase, and nucleoside phosphorylase each

Other Notes

For life science research only. Not for use in diagnostic procedures.


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Adenosine deaminase deficiency: a review
Flinn AM and Gennery AR
Orphanet Journal of Rare Diseases, 13(1), 65-65 (2018)
Pdx-1 is required for activation in vivo from a duodenum-specific enhancer
Dusing MR, et al.
The Journal of biological chemistry, 276(17), 14434-14442 (2001)
Purification and characterization of intestinal adenosine deaminase from mice
Singh L and Sharma R
Molecular and Cellular Biochemistry, 204(1-2), 127-134 (2000)