Opposite Effect of Spermine on the Susceptibility of Native and Denatured Calf Thymus DNA to DNase 1.

Native 및 Denatured Calf Thymus DNA의 DNase 1 에 대한 Susceptibility에 미치는 Spermine의 영향

  • Thong-Sung Ko (Department of Chemistry, College of Science, Chungnam National University) ;
  • Joon Huh (Department of Chemistry, College of Science, Chungnam National University) ;
  • Chun-Bae Lee (Department of Chemistry, College of Science, Chungnam National University) ;
  • Moo- Kyeu Park (Department of Chemistry, College of Natural Sciences)
  • 고동성 (忠南大學校 理科大學 化學科) ;
  • 허준 (忠南大學校 理科大學 化學科) ;
  • 이천배 (忠南大學校 理科大學 化學科) ;
  • 박문규 (충남대학교)
  • Published : 1983.12.20

Abstract

Spermine has opposite effect on the susceptibility of native and denatured calf thymus DNA toward deoxyribonuclease Ⅰ (DNase I; deoxyribonucleate 5'-oligonucleotidohydrolase; EC 3.1.4.5; from bovine pancreas). It enhances the susceptibility of the native DNA, whereas depresses that of the denatured DNA. In the absence of spermine, the reactivity of the deoxyribonuclease is apparently insensitive to the conformational difference of the native and denatured DNA.

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