Nucleic Acids Research 2022
Occurrence and stability of anion–π interactions between phosphate and nucleobases in functional RNA molecules
Mohit Chawla, Kanav Kalra, Zhen Cao, Luigi Cavallo, Romina Oliva
This study characterises a less-studied contact in RNA, ‘anion–π’ stacking between a phosphate group and the flat face of a nucleobase. Combining structural surveys with quantum-mechanical calculations, the team found these interactions are most stable at a specific geometry and are driven mainly by electrostatics, and confirmed their stability with DFT-based molecular dynamics. The work refines our understanding of the forces that shape RNA’s 3D structure.
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Cite this paper
Mohit Chawla, Kanav Kalra, Zhen Cao, Luigi Cavallo, Romina Oliva (2022) Occurrence and stability of anion–π interactions between phosphate and nucleobases in functional RNA molecules. Nucleic Acids Research. https://doi.org/10.1093/nar/gkac1081
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