The iso-competition point, a new concept for characterizing multivalent versus monovalent counterion competition, successfully describes cation binding to DNA

Biophysical Journal

Volumn 77, Issue 1, 1999, Pages 1-2

  Ruben, George C ^a  

^a Dartmouth College   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

CATION; DIVALENT CATION; DNA; DNA FRAGMENT; MONOVALENT CATION; POLYELECTROLYTE; POLYMER;

DNA BINDING; GEL ELECTROPHORESIS; IONIC STRENGTH; MATHEMATICAL ANALYSIS; MATHEMATICAL MODEL; NOTE; POLYMERIZATION; SIMULATION; THEORY;

EID: 0033046718     PISSN: 00063495     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0006-3495(99)76867-0     Document Type: Note

References (5)

1. Li, A. Z., and K. A. Marx. 1999. The iso-competition point for counterion competition binding to DNA: calculated multivalent versus monovalent cation binding equivalence. Biophys. J. 77:114-122.
2. Li, A. Z., H. Huang, and K. A. Marx. 1997. DNA end-to-end distance change due to divalent counterion condensation studied by pulse gel electrophoresis. In Statistical Mechanics in Physics and Biology. MRS Symposium Proc. Series. 463:67-72.
3. Li, A. Z., H. Huang, X. Re, L. J. Qi, and K. A. Marx. 1998. A gel electrophoresis study of the competitive effects of monovalent counterion on the extent of divalent counterions binding to DNA. Biophys. J. 74:964-973.
4. Manning, G. S., and J. Ray. 1998. Counterion condensation theory revisited. J. Biomol. Struct. Dyn. 16:461-476.
5. Marx, K. A., and G. C. Ruben. 1983. Evidence for hydrated spermidine-calf thymus DNA toruses organized by circumferential DNA wrapping. Nucleic Acids Res. 11:1839-1854.