Research Article

Antibacterial Activity of Synthetic Peptides Derived from Lactoferricin against Escherichia coli ATCC 25922 and Enterococcus faecalis ATCC 29212

Figure 2

Synthesis of Peptide I.4. A dimer (top) was first synthesized and purified; this molecule contains two copies of the sequence RRWQWR, a spacer (Ahx, in blue), and a cysteine residue (in red). The tetra branched peptide (bottom) was obtained by oxidation of dimer molecule.