Selective cross-linking behavior of oligodeoxyribonucleotides containing 2'-O-[N-(4,5',8-trimethylpsoralen-4'-ylmethylcarbamoyl)]adenosine to mutant H-ras DNA.

Abstract excerpt

Point mutations are well characterized activators of oncogenes but are often indistinguishable using common gene technologies. In general, the precise sites of point-mutated oncogenes are difficult to distinguish under physiological conditions primarily because single nucleotide mismatch do not affect the annealing temperatures of DNA probes sufficiently. To address this limitation, we developed photo-responsive...

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