P9389
Poly(deoxyguanylic-deoxycytidylic) acid sodium salt
double stranded, alternating copolymer
Synonym(s):
Poly(dG-dC) • Poly(dG-dC)
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General description
Poly(deoxyguanylic-deoxycytidylic) acid (poly(dG-dC)) undergoes salt dependent conformational transition. Under high-salt, it exists as a left-handed double helix and at low-salt it displays B-DNA conformation. However on immobilization, poly(dG-dC) takes up A DNA form.
Application
Poly(deoxyguanylic-deoxycytidylic) acid (Poly(dG-dC) • Poly(dG-dC)) is an alternating copolymer, self-complementary, double-stranded DNA model for conformational studies of DNA structure dynamics and drug interaction.
Poly(deoxyguanylic-deoxycytidylic) acid sodium salt has been used:
- in electrophoretic mobility shift assay of transcription factor IIIB complex
- as synthetic copolymers for circular dichroism (CD) spectroscopy studies
- as a positive control in liquid scintillation counting
Other Notes
Alternating copolymer; self-complementary, form double-stranded complex
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).
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
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Salt-dependent dynamic structure of poly (dG-dC) textperiodcentered poly (dG-dC)
Ramstein J and Leng M
Nature, 288(5789), 413-413 (1980)
Genomic DNA methylation decreases in response to moderate folate depletion in elderly women-
Rampersaud GC, et al.
American Journal of Clinical Nutrition, 72(4), 998-1003 (2000)
Poly (dG)-poly (dC) DNA appears shorter than poly (dA)-poly (dT) and possibly adopts an A-related conformation on a mica surface under ambient conditions
Borovok N, et al.
Febs Letters, 581(30), 5843-5846 (2007)
TFIIIB subunit locations on U6 gene promoter DNA mapped by site-specific protein-DNA photo-cross-linking
Kang JJ, et al.
Febs Letters, 590(10), 1488-1497 (2016)
Anil Kumar et al.
Chemphyschem : a European journal of chemical physics and physical chemistry, 10(9-10), 1426-1430 (2009-03-25)
Low-energy electrons (LEEs) interact with a DNA model system to create a variety of excited states. In the gas phase, dissociative (sigma*) states are accessible by LEEs with energy <4 eV (see picture) and cause facile strand breaks through a
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