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Merck
CN

40809

Purine nucleoside phosphorylase

recombinant, expressed in E. coli, ≥120 U/mL

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About This Item

CAS Number:
9030-21-1
UNSPSC Code:
12352204
EC Number:
2.4.2.1 (BRENDA, IUBMB)
MDL number:
MFCD00131739

Key Documents

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InChI key

MRWXACSTFXYYMV-FDDDBJFASA-N

InChI

1S/C10H12N4O4/c15-2-6-7(16)8(17)10(18-6)14-4-13-5-1-11-3-12-9(5)14/h1,3-4,6-8,10,15-17H,2H2/t6-,7-,8-,10-/m1/s1

recombinant

expressed in E. coli

form

buffered aqueous solution (100 mM phosphate buffer with 1 mM MgCl2)

specific activity

≥120 U/mL

storage temp.

−20°C

Application

Purine nucleoside phosphorylase is used to study nucleotide salvage pathways and purine metabolism. It is used to study purine nucleoside phosphorylase deficiency and responsible PNP genetic mutations.

Biochem/physiol Actions

Purine nucleoside phosphorylase is an enzyme involved in purine metabolism. PNP metabolizes adenosine into adenine, inosine into hypoxanthine, and guanosine into guanine. Mutations in the PNP gene are responsible for purine nucleoside phosphorylase deficiency.

Other Notes

1 U will cause the phosphorolysis 1 μmol of inosine to hypoxanthine and ribose 1-phosphate per minute at pH 7.4 at 25°C

Storage Class

12 - Non Combustible Liquids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
BCBQ2936V
BCBN7658V
BCBL2387V
BCBJ7734V
BCBD8998

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  1. Which document(s) contains shelf-life or expiration date information for a given product?

    If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.

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    The lot specific COA document can be found by entering the lot number above under the "Documents" section.

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  4. What is the Department of Transportation shipping information for this product?

    Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product. 

  5. What is the source gene of the purine nucleoside phosphorylase, Product 40809?

    Per our supplier, the purine nucleoside phosphorylase,product 40809, is of bacterial origin, specifically from Enterobacter. 

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Purine nucleoside phosphorylase deficiency with a novel PNP gene mutation: a first case report from India
Manisha Rajan Madkaikar, et al.
BMJ Case Reports, DOI:10-DOI:10 (2011)
Fernanda Canduri et al.
Biochemical and biophysical research communications, 313(4), 907-914 (2004-01-07)
Human purine nucleoside phosphorylase (PNP) is a ubiquitous enzyme which plays a key role in the purine salvage pathway, and PNP deficiency in humans leads to an impairment of T-cell function, usually with no apparent effect on B-cell function. PNP
Anke Konrad et al.
Gene, 510(2), 154-161 (2012-09-13)
Nucleoside phosphorylases are essential for the salvage and catabolism of nucleotides in bacteria and other organisms, and members of this enzyme superfamily have been of interest for the development of antimicrobial and cancer therapies. The nucleotide phosphorylase superfamily 1 encompasses
Keith Clinch et al.
Bioorganic & medicinal chemistry, 20(17), 5181-5187 (2012-08-03)
Several acyclic hydroxy-methylthio-amines with 3-5 carbon atoms were prepared and coupled via a methylene link to 9-deazaadenine. The products were tested for inhibition against human MTAP and Escherichia coli and Neisseria meningitidis MTANs and gave K(i) values as low as
M Palmer et al.
Alimentary pharmacology & therapeutics, 36(4), 370-378 (2012-06-20)
Combination therapy with the ribavirin (RBV) prodrug taribavirin (TBV) and pegylated interferon (PIFN) has produced lower rates of anaemia than with RBV and PIFN. Studies have demonstrated that the sharpest decline in viral load during TBV therapy occurs at Weeks
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