US Patent 7884070 Linear cationic peptides having antibacterial and/or antifungal properties

A peptide including a first peptide sequence of formula KLAKLAK (SEQ ID NO:11)in which K is lysine, L is leucine and A is alanine, and a second peptide sequence of formula (B) in which B is a peptide of 4 to 15 amino acids positively charged at neutral pH, including at least one peptide motif of formula βxxβ (SEQ ID NO:13)in which β is a basic amino acid and X is any amino acid, and in which the first peptide sequence is repeated n times and the second peptide sequence is repeated m times, n and m being whole numbers between 1 and 5.