Peptide. Histone H3 Peptide, biotin conjugate, Source: Synthetic, Purity: G 95% (HPLC), Formulation: Peptide was dissolved in distilled water at 1 mg/ml & re-lyophilized, It is acetylated at lysine 18 with a C-terminal GG linker followed by a biotinylated lysine, amino acid residues 1-21, Size: 1mg