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Inne
Binding ability of α-ketoamide unit in amino acid derivatives.
Autorzy
Rok wydania
1997
Czasopismo
Journal of Inorganic Biochemistry
Numer woluminu
65
Strony
67-71
DOI
10.1016/S0162-0134(96)00081-5
Kolekcja
Język
Angielski
Typ publikacji
Artykuł
An X-ray study of pyruvyl-L-methionine has shown that in the α-ketoamide group, the COCO bond is in trans orientation. Potentiometric and spectroscopic (EPR, CD, UV-VIS) studies of this ligand with Cu2+ indicated that α-ketoamides of amino acids are efficient chelating agents for cupric ions able to involve their amide nitrogen in metal ion binding without the need for an anchoring site, e.g., in peptides. The likely modification of pyruvic moiety in basic solution (hydration) may have a distinct effect on the binding ability of the title ligands.
Adres publiczny
https://doi.org/10.1016/S0162-0134(96)00081-5
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