Piotr Młynarz, Wojciech Bal, Teresa Kowalik-Jankowska, Marcin Stasiak, Mirosław T. Leplawy and Henryk Kozłowski
A tripetide amide HmS-HmS-His-NH2 is the strongest peptidic CuII chelator known to date, due to the steric shielding of the chelate plane as well as electronic effects.