Very weak antimicrobial peptide since it does not show activity below 100 ug/ml against Bacillus cereus, Escherichia coli, Leuconostoc mesenteroides, Micrococcus luteus, Pastewella haemolytica, Staphylococcus aureus, Streptococcus faecalis and Streptococcus uberis. Expressed by the skin glands. Belongs to the frog skin active peptide (FSAP) family. Frenatin subfamily.