Article
Modulation of drug sensitivity in yeast cells by the ATP-binding domain of human DNA topoisomerase IIalpha.
Nucleic acids research - 1 Oct 2003
Vilain Nathalie, Tsai-Pflugfelder Monika, Benoit Audrey, Gasser Susan M, Leroy Didier
Abstract excerpt
Epipodophyllotoxins are effective antitumour drugs that trap eukaryotic DNA topoisomerase II in a covalent complex with DNA. Based on DNA cleavage assays, the mode of interaction of these drugs was proposed to involve amino acid residues of the catalytic site. An in vitro binding study, however, revealed two potential binding sites for etoposide within human DNA topoisomerase IIalpha (htopoIIalpha), one in the...
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