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Dependence of Counterion Binding on DNA Shape as Determined By Counterion Condensation Theory
- Source :
- Macromolecules. 33:1899-1903
- Publication Year :
- 2000
- Publisher :
- American Chemical Society (ACS), 2000.
-
Abstract
- We have computed the fraction of DNA phosphate charge neutralized by condensed counterions for parallel pairs of linear DNA segments, DNA circles, and representative closed-circular supercoiled DNA configurations ranging in length from 42 to 3000 base pairs. We find significant but small uptake of condensed counterions for the more compact structures relative to an isolated linear DNA segment.
- Subjects :
- inorganic chemicals
chemistry.chemical_classification
Physics::Biological Physics
Quantitative Biology::Biomolecules
Polymers and Plastics
Base pair
Stereochemistry
Organic Chemistry
Charge (physics)
Counterion binding
Quantitative Biology::Genomics
Inorganic Chemistry
chemistry.chemical_compound
Crystallography
chemistry
Counterion condensation
Ionic strength
Materials Chemistry
DNA supercoil
Counterion
DNA
Subjects
Details
- ISSN :
- 15205835 and 00249297
- Volume :
- 33
- Database :
- OpenAIRE
- Journal :
- Macromolecules
- Accession number :
- edsair.doi...........3b1b5e0bf6f8d231ee3787f4fd0b79fa
- Full Text :
- https://doi.org/10.1021/ma990191u