Copper-binding motifs: Structural and theoretical aspects

Amy Kaufman Katz, Liat Shimoni-Livny, Oshrit Navon, Nadav Navon, Charles W. Bock, Jenny P. Glusker

Research output: Contribution to journalArticlepeer-review

33 Scopus citations

Abstract

In this paper, we report the results of a study involving the coordination geometries of CuI, CuII, and CuIII crystal structures in the Cambridge Structural Database, and on Cu binding sites in proteins taken from the Protein Data Bank. The motifs used to bind two bridged Cu ions are also described. In addition, we report the results of ab initio molecular-orbital calculations performed on a variety of model CuI/CuII complexes (CuICuII. XnYm (X, Y = NH3, SH2); n + m = 4; n = 0 - 4) to provide data on the structural and energetic changes that occur in isolated complexes when the oxidation state of the Cu ion is changed from II to I while the coordination number is conserved. The use of such simple ligands in these calculations eliminates constraints on the geometric changes that may be imposed by more-complicated ligands.

Original languageEnglish
Pages (from-to)1320-1338
Number of pages19
JournalHelvetica Chimica Acta
Volume86
Issue number5
DOIs
StatePublished - 30 Jun 2003

ASJC Scopus subject areas

  • Catalysis
  • Biochemistry
  • Drug Discovery
  • Physical and Theoretical Chemistry
  • Organic Chemistry
  • Inorganic Chemistry

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