Transition metal complexes of terminally protected peptides containing histidyl residues (Articolo in rivista)

Type
Label
  • Transition metal complexes of terminally protected peptides containing histidyl residues (Articolo in rivista) (literal)
Anno
  • 2006-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.jinorgbio.2006.04.003 (literal)
Alternative label
  • V. Jószai; Z. Nagy; K. Õsz; D. Sanna; G. Di Natale; D. La Mendola; G. Pappalardo; E. Rizzarelli; I. Sóvágó (2006)
    Transition metal complexes of terminally protected peptides containing histidyl residues
    in Journal of inorganic biochemistry
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • V. Jószai; Z. Nagy; K. Õsz; D. Sanna; G. Di Natale; D. La Mendola; G. Pappalardo; E. Rizzarelli; I. Sóvágó (literal)
Pagina inizio
  • 1399 (literal)
Pagina fine
  • 1409 (literal)
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  • 100 (literal)
Rivista
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  • Pubblicazione scientifica (literal)
Note
  • ISI Web of Science (WOS) (literal)
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  • V. Jószai, Department of Inorganic and Analytical Chemistry, University of Debrecen, Hungary Z. Nagy, Department of Inorganic and Analytical Chemistry, University of Debrecen, Hungary K. Õsz, Department of Inorganic and Analytical Chemistry, University of Debrecen, Hungary I. Sóvágó, Department of Inorganic and Analytical Chemistry, University of Debrecen, Hungary G. Di Natale, Dipartimento di Scienze Chimiche, Universita` di Catania, Italy E. Rizzarelli, Dipartimento di Scienze Chimiche, Universita` di Catania, Italy (literal)
Titolo
  • Transition metal complexes of terminally protected peptides containing histidyl residues (literal)
Abstract
  • Histidine-containing peptide fragments of prion protein are efficient ligands to bind various transition metal ions and they have high selectivity in metal binding. The metal ion affinity follows the order: Pd(II) >> Cu(II) >> Ni(II) >= Zn(II) > Cd(II) similar to Co(II) > Mn(II). The high selectivity of metal binding is connected to the involvement of both imidazole and amide nitrogen atoms in metal binding for Pd(II), Cu(II) and Ni(II), while only the monodentate N-im-coordination is possible with the other metal ions. The stoichiometry and binding mode of palladium(II) complexes show great variety depending on the metal ion to ligand ratio, pH and especially the presence of coordinating donor atoms in the side chains of peptide fragments. It is also clear from our data that the peptide fragments containing histidine outside the octarepeat (His96, His111 and His187) are more efficient ligands than the monomer peptide fragments of the octarepeat domain. (literal)
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