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About: C-DNA

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C-DNA, also known as C-form DNA, is one of many possible double helical conformations of DNA. DNA can be induced to take this form in particular conditions such as relatively low humidity and the presence of certain ions, such as Li+ or Mg2+, but C-form DNA is not very stable and does not occur naturally in living organisms. In 1961, it was found by Marvin, when he tried to repeat for the Li salt the higher water content pattern of the Na salt. What Marvin found is the semicrystalline C-DNA. "Semicrystalline" describes a diffraction pattern for which crystalline reflexions are seen at low resolution but continuous transform at higher resolution.

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  • C-DNA, also known as C-form DNA, is one of many possible double helical conformations of DNA. DNA can be induced to take this form in particular conditions such as relatively low humidity and the presence of certain ions, such as Li+ or Mg2+, but C-form DNA is not very stable and does not occur naturally in living organisms. In 1961, it was found by Marvin, when he tried to repeat for the Li salt the higher water content pattern of the Na salt. What Marvin found is the semicrystalline C-DNA. "Semicrystalline" describes a diffraction pattern for which crystalline reflexions are seen at low resolution but continuous transform at higher resolution. (en)
  • 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，且溼度較低的狀態下。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。 (zh)
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  • C-DNA, also known as C-form DNA, is one of many possible double helical conformations of DNA. DNA can be induced to take this form in particular conditions such as relatively low humidity and the presence of certain ions, such as Li+ or Mg2+, but C-form DNA is not very stable and does not occur naturally in living organisms. In 1961, it was found by Marvin, when he tried to repeat for the Li salt the higher water content pattern of the Na salt. What Marvin found is the semicrystalline C-DNA. "Semicrystalline" describes a diffraction pattern for which crystalline reflexions are seen at low resolution but continuous transform at higher resolution. (en)
  • 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，且溼度較低的狀態下。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。 (zh)
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  • C-DNA (en)
  • C-DNA (zh)
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