Antibacterial peptide with narrow spectrum of activity. Active against the Gram-negative bacterium P.multocida (MIC=25 ug/ml). Inhibits the formation of NO by neuronal nitric oxide synthase with an IC(50) of 9 ug/ml. Expressed by the skin dorsal glands. Belongs to the frog skin active peptide (FSAP) family. Caerin subfamily.