High-resolution crystal structure of Z-DNA in complex with Cr cations
Journal of Biological Inorganic Chemistry, ISSN: 1432-1327, Vol: 20, Issue: 3, Page: 595-602
2015
- 11Citations
- 14Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Metrics Details
- Citations11
- Citation Indexes11
- 11
- CrossRef3
- Captures14
- Readers14
- 14
Article Description
Abstract This work is part of our project aimed at characterizing metal-binding properties of left-handed Z-DNA helices. The three Cr cations found in the asymmetric unit of the d(CGCGCG)-Cr crystal structure do not form direct coordination bonds with atoms of the Z-DNA molecule. Instead, the hydrated Cr ions are engaged in outer-sphere interactions with phosphate groups and O6 and N7 guanine atoms of the DNA. The Cr(1) and Cr(2) ions have disordered coordination spheres occupied by six water molecules each. These partial-occupancy chromium cations are 2.354(15) Å apart and are bridged by three water molecules from their hydration spheres. The Cr(3) cation has distorted square pyramidal geometry. In addition to the high degree of disorder of the DNA backbone, alternate conformations are also observed for the deoxyribose and base moieties of the G2 nucleotide. Our work illuminates the question of conformational flexibility of Z-DNA and its interaction mode with transition-metal cations.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84939991388&origin=inward; http://dx.doi.org/10.1007/s00775-015-1247-5; http://www.ncbi.nlm.nih.gov/pubmed/25687556; http://link.springer.com/10.1007/s00775-015-1247-5; https://dx.doi.org/10.1007/s00775-015-1247-5; https://link.springer.com/article/10.1007/s00775-015-1247-5
Springer Nature
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