Biopolym. Cell. 1986; 2(3):115-124.
Структура та функції біополімерів
рН-залежний структурний перехід у гомопурин-гомопіримідиновому блоці у надспіральній ДНК
1Лямічев В. І., 1Міркін С. М., 1Франк-Каменецкий М. Д.
  1. Інститут молекулярної генетики АН СРСР
    Москва, СРСР

Abstract

За допомогою двовимірного електрофорезу виявлено структурний перехід нового типу в гомопурин-гомопіримідиновій ділянці в надспіральній ДНК. На відміну від інших досліджених переходів, цей перехід сильно залежить від рН, що проявляється у зменшенні щільності негативної надспіралізаціі, необхідної для структурної зміни, при зниженні рН. Нова структура ДНК названа Н-формою.

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