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P9764

Sigma-Aldrich

Polydeoxyadenylic acid • Polythymidylic acid sodium salt

double-stranded homopolymer

Sinónimos:

Poly(dA) • Poly(dT)

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About This Item

Número de CAS:
86834-22-2
MDL number:
MFCD00131963
UNSPSC Code:
41106305
NACRES:
NA.51

biological source

synthetic (organic)

Quality Level

200

form

powder

storage temp.

−20°C

InChI

1S/C10H14N5O6P.C10H15N2O8P/c11-9-8-10(13-3-12-9)15(4-14-8)7-1-5(16)6(21-7)2-20-22(17,18)19;1-5-3-12(10(15)11-9(5)14)8-2-6(13)7(20-8)4-19-21(16,17)18/h3-7,16H,1-2H2,(H2,11,12,13)(H2,17,18,19);3,6-8,13H,2,4H2,1H3,(H,11,14,15)(H2,16,17,18)

InChI key

KKVQVIFXABFJCS-UHFFFAOYSA-N

Application

Polydeoxyadenylic acid • Polythymidylic acid (Poly(dA) • Poly(dT)) is a double-stranded homopolymer use as a DNA model for conformational studies of DNA structure dynamics and drug interaction.

Other Notes

Double-stranded homopolymer

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

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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M A Semenov et al.
Biofizika, 39(4), 628-636 (1994-07-01)
IR-spectrometry and thermopiezogravimetry are used to study the structure formation and the water environment of the double-helix Na-poly(dA)-poly(dT) complex in films in the 0-100% interval of the relative humidity (RH). It has been found that three different structures of the
J Tanha et al.
Molecular immunology, 34(2), 109-113 (1997-02-01)
A large combinatorial phage display library was panned against five nucleic acid antigens, calf thymus DNA, poly[d(GC)], poly[d(AT)], poly(dA) x poly(dT) and poly(rA) x poly(dT). After the third and fourth rounds of panning, many positive clones were selected against poly[d(GC)]
K H Yoo et al.
Physical review letters, 87(19), 198102-198102 (2001-11-03)
We report direct measurements of electrical transport through poly(dA)-poly(dT) and poly(dG)-poly(dC) DNA molecules containing identical base pairs. The observed experimental results suggest that electrical transport through DNA molecules occurs by polaron hopping. We have also investigated the effect of gate
Hongjuan Xi et al.
Biochemistry, 50(42), 9088-9113 (2011-08-26)
Recognition of nucleic acids is important for our understanding of nucleic acid structure as well as for our understanding of nucleic acid-protein interactions. In addition to the direct readout mechanisms of nucleic acids such as H-bonding, shape recognition of nucleic
Marta Airoldi et al.
Biopolymers, 75(2), 118-127 (2004-09-10)
CD and uv absorption data showed that high molecular weight poly(dA-dT) . poly(dA-dT), at 298 K, undergoes an acid-induced transition from B-double helix to random coil in NaCl solutions of different concentrations, ranging from 0.005 to 0.600M. Similarly, titration of
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