C-DNA又稱C型DNA,是一種DNA雙螺旋型態,目前已知C-DNA與B-DNA(自然界最常見的DNA型態)有相似的構象。會出現於含鋰離子,且濕度較低的狀態下。研究顯示,B與C兩型的DNA實際上都含有兩種稍有不同的構型,分別稱為B-I與B-II,其中B-DNA的B-II含量約佔10%;C-DNA的B-II則大約佔了40%以上。

參見

參考文獻

  • L van Dam, M H Levitt. BII nucleotides in the B and C forms of natural-sequence polymeric DNA: A new model for the C form of DNA. J Mol Biol. 2000, 304 (4): 541–61. PMID 11099379.

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