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P0883

Sigma-Aldrich

Poly(deoxyadenylic-thymidylic) acid sodium salt

double-stranded alternating copolymer

Synonym(s):

Poly(dA-dT) • Poly(dA-dT)

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About This Item

CAS Number:
86828-69-5
MDL number:
MFCD00131964
UNSPSC Code:
41106305
NACRES:
NA.51

Quality Level

200

form

powder

storage temp.

−20°C

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Application

Poly(deoxyadenylic-thymidylic) (Poly(dA-dT) • Poly(dA-dT))acid is a double-stranded alternating copolymer DNA model for conformational studies of DNA structure dynamics and drug interaction.

Other Notes

Double-stranded alternating copolymer.

Unit Definition

One unit will yield an A260 of 1.0 in 1.0 ml 20 mM sodium phosphate/100 mM NaCl, pH 7.0 (1cm light path).

Quantity

One mg is equivalent to ≥12 A260 units.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

监管及禁止进口产品

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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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.

  2. How do I get lot-specific information or a Certificate of Analysis?

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

  3. How do I find price and availability?

    There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers.

  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. In what should Product P0883, Poly(deoxyadenylic-thymidylic) acid sodium salt, be dissolved?

    Per our supplier, to maintain a double stranded configuration of the polymer in solution, it should be rehydrated with a neutral buffer containing 100 mM NaCl.  After reconstitution, the polymer solution should be stored at -20°C.

  6. What is the difference between Poly(deoxyadenylic-thymidylic) acid sodium salt Products P0883 and P5782?

    Prod. No. P0883 is from a different supplier than Prod. No. P5782.  Chain lengths for both products can vary from batch to batch.  According to information from our suppliers, the A250/A260 ratios are similar, but the A280/A260 ratio for Prod. No. P0883 will be slightly higher than that of Prod. No. P5782.

  7. What is the sequence of Product P0883, Poly(deoxyadenylic-thymidylic) acid sodium salt?

    This product is a double-stranded alternating DNA copolymer, although it is possible for single strands to be present.  The sequence of each strand is an alternating sequence of dAdTdAdTdAdT….. or dATdATdATdAT… since dT (deoxythymidylic acid) and T (thymidylic acid) are the same.

  8. My question is not addressed here, how can I contact Technical Service for assistance?

    Ask a Scientist here.

Marta Airoldi et al.
Journal of biomolecular structure & dynamics, 25(1), 77-84 (2007-08-07)
The thermal denaturation of the synthetic high molecular weight double stranded polynucleotide poly(dA-dT) x poly(dA-dT) has been studied in aqueous buffered solution (Tris 1.0 mM; pH 7.8+/-0.2) in the presence of increasing concentrations of either Ni(2+) (borderline cation) or Cd(2+)
Marta Airoldi et al.
Chirality, 20(9), 951-960 (2008-02-05)
The thermal behavior of the synthetic, high molecular weight, double stranded polynucleotides poly(dA-dT).poly(dA-dT) [polyAT] and poly(dG-dC).poly(dG-dC) [polyGC] solubilized in the aqueous core of the quaternary water-in-oil cationic microemulsion CTAB|n-pentanol|n-hexane|water in the presence of increasing amounts of NiCl(2) at several constant
M Vorlícková et al.
Journal of biomolecular structure & dynamics, 3(1), 67-83 (1985-08-01)
The article reviews data indicating that poly(dA-dT).poly(dA-dT) is able of adopting three distinct double helical structures in solution, of which only the A form conforms to classical notions. The other two structures have dinucleotides as double helical repeats. At low
Jung Hwan Bae et al.
Cells, 8(4) (2019-04-11)
Mitochondrial dysfunction has been implicated in the pathogenesis of insulin resistance and type 2 diabetes. Damaged mitochondria DNA (mtDNA) may have a role in regulating hyperglycemia during type 2 diabetes. Circulating cell-free mitochondria DNA (ccf-mtDNA) was found in serum and
Creina Slator et al.
ACS chemical biology, 11(1), 159-171 (2015-10-22)
The in cellulo catalytic production of reactive oxygen species (ROS) by copper(II) and iron(II) complexes is now recognized as a major mechanistic model in the design of effective cytotoxins of human cancer. The developmental complex, [Cu(o-phthalate)(1,10-phenanthroline)] (Cu-Ph), was recently reported
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