Salt induced B----A transition of poly(dG).poly(dC) and the stabilization of A form by its methylation.

@article{Nishimura1986SaltIB,
  title={Salt induced B----A transition of poly(dG).poly(dC) and the stabilization of A form by its methylation.},
  author={Yukinobu Nishimura and C Torigoe and Masamichi Tsuboi},
  journal={Nucleic acids research},
  year={1986},
  volume={14 6},
  pages={2737-48}
}
Raman spectra of poly(dG).poly(dC) have been observed in aqueous solutions at various ionic strengths, [NaCl] = 0.03 to 4 M, and at different temperatures, 10 to 60 degrees C. At 30 degrees C, and at [NaCl] = 0.03 M, it was found to have a B-form (with O4'endo-anti guanosine and C2'endo-anti cytidine), whereas, at [NaCl] = 4 M, an A form (with C3'endo-anti guanosine and C3'endo-anti cytidine). At 30 degrees C and [NaCl] = 1 M, namely at an intermediate state, a fraction of this molecules was… CONTINUE READING

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