The synthetic peptide has antimicrobial activity against the Gram-positive bacteria B.amyloliquefacies S499 (MIC=0.05 mM), L.monocytogenes 2231 and S.aureus ATCC 29213, against the Gram-negative bacteria P.putida BTP1, P.aeruginosa PaO1 and E.coli ATCC 10536, and against the fungi S.cerevisiae, R.mucilaginosa and C.cucumerinum. It is not active against the fungi F.oxysporum and B.cinerea. Expressed by the venom gland.