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“Examples include cisplatin , which forms a covalent adduct with guanines , and doxorubicin, which traps a cleavage intermediate between topoisomerase II and torsionally strained DNA.”
“At low levels of DNA-modification (cis-Pt:nucleotide = 1:50-1:1000) the intrastrand cross-link of cis-Pt with two guanines consisted of 60-70% of the total platination of DNA.”
“The main adduct was shown to be an intrastrand cross-link of cis-Pt bound to the N-7 atoms of two neighboring guanines.”