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Interaction of metal ions with peptide hormones

✍ Scribed by Grazyna Formicka-Kozłowska; Leslie D. Pettit

Publisher
Elsevier Science
Year
1983
Tongue
English
Weight
220 KB
Volume
79
Category
Article
ISSN
0020-1693

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✦ Synopsis

Recent studies on Cu(I1) complexes with proline containing peptides have shown that the proline residue may act as a 'break-point' in the peptide sequence unless it is on a N-terminal position [ 1,3].

The lysine residue, on the other hand, may in specific cases bind the metal ion via its lateral NH2 group [2]. The dog double tuftsin octapeptide, Thr-Lys-Pro-Lys-Thr-Lys-Pro-Lys, contains both Pro and Lys residues and its coordination ability was checked in the system with cupric ions.

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