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P4929

Sigma-Aldrich

Poly(deoxyinosinic-deoxycytidylic) acid sodium salt

double-stranded alternating copolymer

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Synonym(s):
Poly(dI-dC) • Poly(dI-dC) sodium salt
CAS Number:
118578-37-3
MDL number:
MFCD00131970
UNSPSC Code:
41106305
NACRES:
NA.51

biological source

synthetic (organic)

Quality Level

200

form

powder

storage temp.

−20°C

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Application

Poly(deoxyinosinic-deoxycytidylic) acid (Poly(dI-dC) • Poly(dI-dC)) is an alternating copolymer used as a DNA substrate for evaluation of DNA methytransfeases, such as DNA-methyltransferase 1 and as double-stranded DNA model for conformational studies of DNA structure dynamics and drug, small molecule, interactions.
Poly(deoxyinosinic-deoxycytidylic) acid sodium salt has been used in a study that synthesized and characterized bis(2-(pyrimidin-2-γl)ethoxy)alkanes and their pharmacological activity. Poly(deoxyinosinic-deoxycytidylic) acid sodium salt has also been used in a study that investigated the growth of calcium carbonate films on LB/LbL matrices.
Poly(deoxyinosinic-deoxycytidylic) acid sodium salt has been used in the electrophoretic mobility shift assay in p65 protein and neuro-2A protein lysate. It has also been used as a substrate in the protein arginine methyltransferase 1 (PRMT1) and DNA methyltransferase 1 (DNMT1) selectivity assay.

Biochem/physiol Actions

Poly(2′-deoxyinosinic-2′-deoxycytidylic acid), poly(dI-dC) is a synthetic DNA substrate. At high salt, Poly(dI-dC) exists in left handed helical conformation and reverts to right-handed form upon decreasing salt. It is used in electrophoretic mobility shift assay (EMSA).

Other Notes

Double-stranded alternating copolymer

Unit Definition

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

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. What is the molecular weight of Product P4929, Poly(deoxyinosinic-deoxycytidylic) acid sodium salt?

    Molecular weight: Polymer size (by agarose gel electrophoresis) is lot dependent with a lower range of less than 150 to 550 base pairs and a high range of 3000 to over 5000 base pairs. Most of the material is between 1200 to 3000 base pairs.

  3. How many milligrams of Product P4929, Poly(deoxyinosinic-deoxycytidylic) acid sodium salt, do I have?

    The specifications for the product is approximately 13 U/mg, but the exact amount is lot specific.  One unit will yield an A260 of 1.0 in 1.0ml of water.  For example, the 5 unit size has approximately 0.384 mg. 

  4. Is Is Product P4929,  Poly(deoxyinosinic-deoxycytidylic) acid sodium salt (Poly(dI-dC), stable in solution?

    Both the solution and solid are very stable and can be stored for extended periods (years) at -20 °C.

  5. What is the solubility of Is Product P4929,  Poly(deoxyinosinic-deoxycytidylic) acid sodium salt (Poly(dI-dC)?

    This product is soluble in water or neutral buffer at 20 mg/ml.

  6. 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.

  7. 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.

  8. 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. 

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