Dimethylsulfoxide-stabilized conformer of guanine-adenine repeat strand of DNA

. 2001 ; 62 (2) : 81-4.

Jazyk angličtina Země Spojené státy americké Médium print

Typ dokumentu časopisecké články, práce podpořená grantem

Perzistentní odkaz   https://www.medvik.cz/link/pmid11288056

Circular dichroism spectroscopy and other methods are used to show that the addition of dimethylsulfoxide causes reversible folding of the (GA)(10) strand of DNA into an ordered single-stranded conformer. The ordered conformer melts in a cooperative way and it does not contain protonated adenine. The (TA)(10), (A)(20), and (G)(20) are all unstable in this conformer. To the best of our knowledge, this is the first known ordered conformer of DNA that is stabilized by dimethylsulfoxide. This conformer might be a DNA analog of the protein alpha helix, which is an interesting idea for thinking about the evolution of DNA.

Citace poskytuje Crossref.org

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. 2009 Apr ; 37 (6) : 1713-25. [epub] 20090203

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