The present invention relates to a antimicrobial peptide or peptide derivative comprising the following sequence: Sub1-X1-D2-K3-P4-P5-Y6-L7-P8-R9-P10-X2-P12-P13-R14-X3-T16-P17-N18-N19-X4-Sub2. The invention further relates to multimers comprising said peptides or peptide derivatives. Moreover, the invention provides a peptide or peptide derivative for use in the treatment of a disease. The peptide or peptide derivative may also be used in the screening for novel antimicrobial compounds.
