Raman study of the low-frequency vibrations of polynucleotides

T. Weidlich; Stuart Lindsay

doi:10.1021/j100334a001

Raman study of the low-frequency vibrations of polynucleotides

T. Weidlich, Stuart Lindsay

Physics

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4 Scopus citations

Abstract

We have performed low-frequency Raman experiments on several polynucleotides with different sequences, conformations, and number of strands per helix. Below 200 cm^-1 we have observed three Raman active intrahelical modes in A-DNA and B-DNA. Within one class of structure the modes show little sequence dependence. The bridging hydrogen bonds between the two strands only have a small influence on the frequency of the modes. The modes are strongly dependent on conformation and may therefore be useful as marker bands for structures and intrahelical interactions.

Original language	English (US)
Pages (from-to)	6479-6482
Number of pages	4
Journal	Journal of physical chemistry
Volume	92
Issue number	23
DOIs	https://doi.org/10.1021/j100334a001
State	Published - Jan 1 1988

ASJC Scopus subject areas

Engineering(all)
Physical and Theoretical Chemistry

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10.1021/j100334a001

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abstract = "We have performed low-frequency Raman experiments on several polynucleotides with different sequences, conformations, and number of strands per helix. Below 200 cm-1 we have observed three Raman active intrahelical modes in A-DNA and B-DNA. Within one class of structure the modes show little sequence dependence. The bridging hydrogen bonds between the two strands only have a small influence on the frequency of the modes. The modes are strongly dependent on conformation and may therefore be useful as marker bands for structures and intrahelical interactions.",

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N2 - We have performed low-frequency Raman experiments on several polynucleotides with different sequences, conformations, and number of strands per helix. Below 200 cm-1 we have observed three Raman active intrahelical modes in A-DNA and B-DNA. Within one class of structure the modes show little sequence dependence. The bridging hydrogen bonds between the two strands only have a small influence on the frequency of the modes. The modes are strongly dependent on conformation and may therefore be useful as marker bands for structures and intrahelical interactions.

AB - We have performed low-frequency Raman experiments on several polynucleotides with different sequences, conformations, and number of strands per helix. Below 200 cm-1 we have observed three Raman active intrahelical modes in A-DNA and B-DNA. Within one class of structure the modes show little sequence dependence. The bridging hydrogen bonds between the two strands only have a small influence on the frequency of the modes. The modes are strongly dependent on conformation and may therefore be useful as marker bands for structures and intrahelical interactions.

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Raman study of the low-frequency vibrations of polynucleotides

Abstract

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