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Direct evidence for (G)O6···H(2)-N4(C)(+) hydrogen bonding in transient G(syn)-C(+) and G(syn)-m(5)C(+) Hoogsteen base pairs in duplex DNA from cytosine amino nitrogen off-resonance R(1ρ) relaxation dispersion measurements
NMR relaxation dispersion studies have shown that Watson-Crick G-C and A-T base pairs in duplex DNA exist in dynamic equilibrium with their Hoogsteen counterparts. Hoogsteen base pairs form through concurrent rotation of the purine base about the glycosidic bond from an anti to a syn conformation an...
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| Publicado no: | J Magn Reson |
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| Main Authors: | , , , , |
| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
2019
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC6933314/ https://ncbi.nlm.nih.gov/pubmed/31539864 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1016/j.jmr.2019.106589 |
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