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Article

A Tetranuclear Cu(I) Cluster in the Metallochaperone Protein CopZ

11 Sept 2009

Abstract excerpt

Copper trafficking proteins and copper-sensitive regulators are often found to be able to bind multiple Cu(I) ions in the form of Cu(I) clusters. We have determined the high-resolution X-ray crystal structure of an Atx1-like copper chaperone protein from Bacillus subtilis containing a novel tetranuclear Cu(I) cluster. The identities and oxidation states of the cluster ions were established unambiguously by...

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PMID: 19746989
DOI: 10.1021/bi9011995

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