DNA sequence context and protein composition modulate HMG-domain protein recognition of cisplatin-modified DNA.

Abstract

Proteins containing the high mobility group (HMG) DNA-binding domain form specific complexes with cisplatin-modified DNA which shield the major intrastrand d(GpG) and d(ApG) cross-links from excision repair. The molecular basis for the specificity of binding was investigated for the two isolated domains of HMG1 with a series of 15-bp oligonucleotides, d… (More)

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