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Cu(II) binding by angiotensin II fragments: Asp-Arg-Val-Tyr-Ile-His and Arg-Val-Tyr-Ile-His. Competition between amino group and imidazole nitrogens in anchoring of metal ions.
Autorzy
Rok wydania
1995
Czasopismo
Journal of Inorganic Biochemistry
Numer woluminu
57
Strony
235-247
DOI
10.1016/0162-0134(94)00026-7
Kolekcja
Język
Angielski
Typ publikacji
Artykuł
Potentiometric and spectroscopic (absorption, circular dichroism and electron paramagnetic resonance) study on the coordination of two angiotensin II fragments (Asp-Arg-Val-Tyr-Ile-His and Arg-Val-Tyr-Ile-His) to Cu(II) ions has shown that competition between amino and imidazole nitrogens to anchor metal ions is a complicated process and may lead to formation of macrochelate rings. The important factor that influences this competition is the distance between competing His and N-terminal residues (number of spacer residues in a peptide sequence).
Adres publiczny
https://doi.org/10.1016/0162-0134(94)00026-7