Penta-glycine copper(II) complexes in slightly alkaline solutions

Zeev Gaisin, Gary Gellerman, Dan Meyerstein

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

The kinetics of the reaction of CuII(GGG), CuII(GGGGG) and CuII(GGGGS), where G = glycine and S = sarcosine, with 4-nitrophenyl-acetate were measured. The results point out that at pH 9.0 hydroxide is an axial, or equatorial ligand to a significant amount of these complexes. The source of the different mechanisms of reaction of the analogous nickel complexes is attributed to the axial water ligand of the copper complexes. The biological implications of axial hydroxide binding to copper peptides is discussed.

Original languageEnglish
Pages (from-to)211-215
Number of pages5
JournalInorganica Chimica Acta
Volume450
DOIs
StatePublished - 24 Aug 2016

Keywords

  • Copper peptide structures
  • Hydroxide as an axial ligand
  • Kinetics
  • Penta-coordinated copper

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry
  • Materials Chemistry

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