... b(HnL), j and n ¼ 2, except for DAHKam, where j ¼ 1 and n ¼ 3.bNi(II) data from ref [11].c[31].d[36].eglycylglycylhistamine, [9].fa-hydroxymetylseryl-a-hydroxymetylserylhistidinamide; ... Asp-Ala-His-NH2(DAHam)wasagiftofHenrykKozlowski,Faculty of Chemistry, University of Wroclaw. Stocksolutions of NiCl2 and CuCl2were standardized gravimet-rically with dimethylglyoxime and complexometrically withEDTA, ... pooled and lyophilized to yield with solid ofpurity exceeding 99% as assessed by HPLC analysis of thefinal m aterials. I dentity and purity of peptide was confirmedby mass spectrometry, utilizing...