The Electronic Structure of Interaction Platinum(Ⅱ) with DNA bases, Adenine, Guanine, and Cytosine

Platinum(Ⅱ) Complex와 DNA bases인 Adenine, Guanine 그리고 Cytosine의 Interaction에 대한 전자구조

  • 김의락 (계명대학교 자연과학부 화학과) ;
  • 김상해 (계명대학교 자연과학대학 화학과) ;
  • Published : 19901100


Molecular Orbital calculations using the SC-MEH method have been carried out for the interaction of Adenine, Guanine and Cytosine as DNA base and diaminecytosineplatinum(DCP) in various conformations. The results showed that the order of DCP binding to the DNA bases was guanine > adenine > cytosine and the stabilization energy of cis-isomer was larger than that of trans-isomer in the adenine-DCP complexes system. Furthermore, platinum(II) binding to DNA bases markedly gives rise to change of atomic charge in DNA bases ring, which can explain anti-tumor activity of platinum complex.



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