2vb3

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Image:2vb3.jpg

2vb3, resolution 2.33Å

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CRYSTAL STRUCTURE OF AG(I)CUSF

Overview

Methionine-rich motifs have an important role in copper trafficking, factors, including the CusF protein. Here we show that CusF uses a new, metal recognition site wherein Cu(I) is tetragonally displaced from a, Met2His ligand plane toward a conserved tryptophan. Spectroscopic studies, demonstrate that both thioether ligation and strong cation-pi interactions, with tryptophan stabilize metal binding. This novel active site chemistry, affords mechanisms for control of adventitious metal redox and, substitution chemistry.

About this Structure

2VB3 is a Single protein structure of sequence from Escherichia coli with as ligand. Known structural/functional Site: . Full crystallographic information is available from OCA.

Reference

Cu(I) recognition via cation-pi and methionine interactions in CusF., Xue Y, Davis AV, Balakrishnan G, Stasser JP, Staehlin BM, Focia P, Spiro TG, Penner-Hahn JE, O'Halloran TV, Nat Chem Biol. 2008 Feb;4(2):107-9. Epub 2007 Dec 23. PMID:18157124

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