Patent ID: 8299020

Claim:
An isolated peptide comprising an amino acid sequence that is at least 80% identical to the sequence SEQ ID NO.5, wherein the sequence comprises: (i) amino acids at positions 1, 6, 7, 11, 15, 17, 19, 20, 22, 23, 25, 26, and 29 that are identical to the amino acids in SEQ ID NO.5; (ii) at least four Lys residues wherein at least one of said Lys residues is at position 30; (iii) one or more dehydrated amino acids α,β-dehydro-alanine (Dha); (iv) one or more dehydrated amino acids α,β-dehydro-butyrine (Dhb); and (v) a Dhb-Dhb tandem, wherein the peptide is a lantibiotic.