The present invention relates to the field of antimicrobial agents active against Enterococcus bacteria. In particular, the present invention relates to a polypeptide comprising a first and a second amino acid sequence, wherein the first amino acid sequence is a sequence selected from SEQ ID NO:2； SEQ ID NO:3； SEQ ID NO: 5； and derivatives thereof； and wherein the second amino acid sequence is an antimicrobial peptide, amphipathic peptide, cationic peptide, hydrophobic peptide, sushi peptide or defensin. In addition, the present invention relates to nucleic acids encoding such polypeptides, vectors comprising such nucleic acids, and corresponding host cells. Finally, the present invention relates to applications of the inventive polypeptides, nucleic acids, vectors, and/or host cells, in particular in the pharmaceutical field.
