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Models of Oxovanadium(IV)–Protein Interactions: The First Oxovanadium(IV) Complexes with Dipeptides†

  1. Anastasios J. Tasiopoulos1,
  2. Antonis T. Vlahos1,
  3. Dr. Anastasios D. Keramidas1,
  4. Dr. Themistoklis A. Kabanos1,*,
  5. Dr. Yiannis G. Deligiannakis2,
  6. Dr. Catherine P. Raptopoulou3,
  7. Prof. Aris Terzis3

Article first published online: 22 DEC 2003

DOI: 10.1002/anie.199625311

Issue

Angewandte Chemie International Edition in English

Angewandte Chemie International Edition in English

Volume 35, Issue 21, pages 2531–2533, November 18, 1996

Additional Information

How to Cite

Tasiopoulos, A. J., Vlahos, A. T., Keramidas, A. D., Kabanos, T. A., Deligiannakis, Y. G., Raptopoulou, C. P. and Terzis, A. (1996), Models of Oxovanadium(IV)–Protein Interactions: The First Oxovanadium(IV) Complexes with Dipeptides. Angew. Chem. Int. Ed. Engl., 35: 2531–2533. doi: 10.1002/anie.199625311

Author Information

  1. 1

    Department of Chemistry, Section of Inorganic and Analytical Chemistry, University of Ioannina, 45110 Ioannina (Greece), Fax: Int. code +(651)44831

  2. 2

    Section de Bioénergétique, URA CNRS 1290, Département de Biologie, Cellulaire et Moleculaire, CEA Saclay, 91191 Gif-sur-Yvette (France)

  3. 3

    NRPCS Demokritos, Institute of Material Science, Attikis (Greece)

*Department of Chemistry, Section of Inorganic and Analytical Chemistry, University of Ioannina, 45110 Ioannina (Greece), Fax: Int. code +(651)44831

  1. †

    This work was supported by the Greek General Secretariat of Research and Technology.

Publication History

  1. Issue published online: 22 DEC 2003
  2. Article first published online: 22 DEC 2003
  3. Manuscript Received: 23 APR 1996

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Keywords:

  • EPR spectroscopy;
  • peptides;
  • solid-state structures;
  • vanadium compounds
Thumbnail image of graphical abstract

The sulfur atom, the nitrogen atom of the deprotonated amide functionality, and an oxygen atom of the carboxylate group are the ligating atoms of the dipeptide N-(2-mercaptopropionyl)glycine (H3mpg) in its complex with the VO2+ center in the anion of 1 (shown on the right). This complex salt is accessible from [VOCl2(phen)] (phen = 1,10-phenanthroline) and H3mpg in the presence of Et3N. This study provides insight into the mode of binding of a dipeptide to an oxovanadium(IV) unit.

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