Abstract: Novel biologically active amphiphilic peptides having from 21 to 26 amino acid residues, and which may be employed as for inhibiting the growth of target cells, viruses and virally-infected cells.
Abstract: A composition comprising at least one biologically active amphiphilic peptide or protein, said peptide or protein being an ion channel-forming peptide or protein, and an antibiotic which inhibits DNA gyrase. The biologically active amphiphilic peptide and the antibiotic which inhibits DNA gyrase may be administered in amounts effective to inhibit growth of a target cell such as a bacterium.