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Triggering Cu-coordination change in Cu( ii )-Ala-His-His by external ligands
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Edité par CCSD ; Royal Society of Chemistry -
International audience. Cu(II) forms well-known and stable complexes with peptides having histidine at position 2 (Xxx-His) or 3 (Xxx-Zzz-His). Their properties differ considerably due to the histidine positioning. Here we report that in the hybrid motif Xxx-His-His, the Cu(II)-complexes can be switched between the Xxx-His and the Xxx-Zzz-His coordination modes by addition of external ligands.