Interactions of VO(IV) with oligopeptides

Tamás Kiss, Tamás Jakusch, Joao Costa Pessoa, Isabel Tomaz

Research output: Contribution to journalArticle

44 Citations (Scopus)

Abstract

The oxovanadium(IV)-binding features of various oligopeptides are reviewed in the paper. The decisive role of amide coordination and the presence of a suitable anchoring donor group in the molecules are discussed through numerous examples. It is found that the effectiveness of the anchoring donors in promoting peptide amide deprotonation and coordination follows the sequence: phenolate-O- > alcoholate-O-, thiolate-S- > carboxylate-COO- > NH2. This basic sequence is finely tuned by the presence of additional donors in the molecule, and also by the presence of additional binder molecules in the biological fluids.

Original languageEnglish
Pages (from-to)123-133
Number of pages11
JournalCoordination Chemistry Reviews
Volume237
Issue number1-2
DOIs
Publication statusPublished - Feb 1 2003

Keywords

  • Oligopeptides
  • Solution speciation
  • Structure
  • VO(IV) complexes

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry
  • Materials Chemistry

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