Patent ID: 7371720

Claim:
An isolated antibiotic peptide with broad spectrum anti-microbial activity having the amino acid sequence: Phe Leu Ser Leu Ile Pro His Ala Ile Asn Ala Val Ser Xaa 1 Xaa 2 Xaa 3 Xaa 4 His Xaa 5 (SEQ ID NO: 4) wherein Xaa 1 , Xaa 2 , Xaa 3 , Xaa 4 and Xaa 5 are each independently a hydrophobic amino acid, a hydrophilic basic amino acid or a hydrophilic neutral amino acid, with the proviso that when Xaa 2 and Xaa 3 are hydrophobic amino acids, Xaa 1 is a hydrophobic amino acid or a hydrophilic neutral amino acid, Xaa 4 is a hydrophilic basic amino acid or hydrophilic neutral amino acid, and Xaa 5 is a hydrophilic neutral amino acid or hydrophobic amino acid.