Metal binding selectivity of an N-terminally free multihistidine peptide HAVAHHH-NH2

Bettina Diána Balogh, Zsolt Bihari, Péter Buglyó, Gizella Csire, Zsuzsanna Kerekes, Márton Lukács, I. Sóvágó, Katalin Várnagy

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Copper(ii), nickel(ii), zinc(ii) and organometallic ruthenium(ii) ([(η6-p-cym)Ru(H2O)3]2+) complexes of an N-terminally free heptapeptide containing four histidyl residues (NH2-HAVAHHH-NH2) have been studied by potentiometric and various spectroscopic techniques (UV-vis, CD, NMR and ESI-MS). The data revealed a significant selectivity in the metal binding ability of this ligand. Histamine-like coordination of the amino terminus is the primary binding mode for all metal ions but the internal histidyl residues can also contribute to the overall stability of the complexes. Copper(ii) and nickel(ii) ions are able to induce the deprotonation and coordination of the amide functions both at the amino terminus and around the internal histidyl sites, resulting in the co-existence of various coordination isomers or the formation of dinuclear complexes in the presence of excess of metal ions.

Original languageEnglish
Pages (from-to)907-916
Number of pages10
JournalNew Journal of Chemistry
Volume43
Issue number2
DOIs
Publication statusPublished - Jan 1 2019

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Nickel
Peptides
Metal ions
Copper
Metals
Deprotonation
Ruthenium
Organometallics
Amides
Isomers
Histamine
Zinc
Ligands
Nuclear magnetic resonance
Ions

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)
  • Materials Chemistry

Cite this

Balogh, B. D., Bihari, Z., Buglyó, P., Csire, G., Kerekes, Z., Lukács, M., ... Várnagy, K. (2019). Metal binding selectivity of an N-terminally free multihistidine peptide HAVAHHH-NH2 New Journal of Chemistry, 43(2), 907-916. https://doi.org/10.1039/c8nj04538k

Metal binding selectivity of an N-terminally free multihistidine peptide HAVAHHH-NH2 . / Balogh, Bettina Diána; Bihari, Zsolt; Buglyó, Péter; Csire, Gizella; Kerekes, Zsuzsanna; Lukács, Márton; Sóvágó, I.; Várnagy, Katalin.

In: New Journal of Chemistry, Vol. 43, No. 2, 01.01.2019, p. 907-916.

Research output: Contribution to journalArticle

Balogh, BD, Bihari, Z, Buglyó, P, Csire, G, Kerekes, Z, Lukács, M, Sóvágó, I & Várnagy, K 2019, 'Metal binding selectivity of an N-terminally free multihistidine peptide HAVAHHH-NH2 ', New Journal of Chemistry, vol. 43, no. 2, pp. 907-916. https://doi.org/10.1039/c8nj04538k
Balogh BD, Bihari Z, Buglyó P, Csire G, Kerekes Z, Lukács M et al. Metal binding selectivity of an N-terminally free multihistidine peptide HAVAHHH-NH2 New Journal of Chemistry. 2019 Jan 1;43(2):907-916. https://doi.org/10.1039/c8nj04538k
Balogh, Bettina Diána ; Bihari, Zsolt ; Buglyó, Péter ; Csire, Gizella ; Kerekes, Zsuzsanna ; Lukács, Márton ; Sóvágó, I. ; Várnagy, Katalin. / Metal binding selectivity of an N-terminally free multihistidine peptide HAVAHHH-NH2 In: New Journal of Chemistry. 2019 ; Vol. 43, No. 2. pp. 907-916.
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