2015
DOI: 10.1080/07391102.2015.1013157
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Landscape ofππand sugar–πcontacts in DNA–protein interactions

Abstract: There were 1765 contacts identified between DNA nucleobases or deoxyribose and cyclic (W, H, F, Y) or acyclic (R, E, D) amino acids in 672 X-ray structures of DNA-protein complexes. In this first study to compare π-interactions between the cyclic and acyclic amino acids, visual inspection was used to categorize amino acid interactions as nucleobase π-π (according to biological edge) or deoxyribose sugar-π (according to sugar edge). Overall, 54% of contacts are nucleobase π-π interactions, which involve all ami… Show more

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Cited by 19 publications
(28 citation statements)
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References 60 publications
(97 reference statements)
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“…Previous analyses of nucleic acid-protein crystal structures reveal small distances between the nucleobases and π-containing amino acids (Jones et al 2001;Luscombe et al 2001;Treger and Westhof 2001;Lejeune et al 2005;Morozova et al 2006;Baker and Grant 2007;Ellis et al 2007;Wilson et al 2014;Barik et al 2015;Wilson et al 2015). Indeed, despite the involvement of the DNA nucleobases in stable stacking interactions within the double helix, an abundance of nucleobase-amino acid π-interactions (π-contacts) have been identified in DNA-protein complexes Lejeune et al 2005;Baker and Grant 2007;Wilson et al 2014;Wilson et al 2015).…”
Section: Introductionmentioning
confidence: 99%
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“…Previous analyses of nucleic acid-protein crystal structures reveal small distances between the nucleobases and π-containing amino acids (Jones et al 2001;Luscombe et al 2001;Treger and Westhof 2001;Lejeune et al 2005;Morozova et al 2006;Baker and Grant 2007;Ellis et al 2007;Wilson et al 2014;Barik et al 2015;Wilson et al 2015). Indeed, despite the involvement of the DNA nucleobases in stable stacking interactions within the double helix, an abundance of nucleobase-amino acid π-interactions (π-contacts) have been identified in DNA-protein complexes Lejeune et al 2005;Baker and Grant 2007;Wilson et al 2014;Wilson et al 2015).…”
Section: Introductionmentioning
confidence: 99%
“…Indeed, despite the involvement of the DNA nucleobases in stable stacking interactions within the double helix, an abundance of nucleobase-amino acid π-interactions (π-contacts) have been identified in DNA-protein complexes Lejeune et al 2005;Baker and Grant 2007;Wilson et al 2014;Wilson et al 2015). Since most RNA nucleobases are not stacked within duplexes, nucleobase-amino acid π-interactions can occur without requiring unfavorable conformational changes and with the added benefit of sequestering the bases from solvent.…”
Section: Introductionmentioning
confidence: 99%
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