Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 131, Issue 40, Pages 14196-+Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ja906363t
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Funding
- NIH [GM58518]
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Copper trafficking proteins, including the chaperone Atox1 and the P-1B-type ATPase ATP7B, have been implicated in cellular resistance to the anticancer drug cisplatin. We have determined two crystal structures of cisplatin-Atox1 adducts that reveal platinum coordination by the conserved CXXC copper-binding motif. Direct interaction of cisplatin with this functionally relevant site has significant implications for understanding the molecular basis for resistance mediated by copper transport pathways.
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