Potent antimicrobial peptide that displays activity against S.aureus and P.aeruginosa (PubMed:24694388). Does not inhibit growth of E.coli (PubMed:24694388). Highly expressed in intestine, liver and spleen and expressed at lower levels in brain, kidney, lung, testis and venom gland. The 4 N-terminal Arg residues do not affect the overall fold, but are important for the antimicrobial potency.