Has antibacterial activity against several Gram-positive and Gram-negative bacteria. Is weakly active against yeasts. Acts by a nonpore mechanism. Expressed in the body wall, intestine, uterus and ovary. By bacterial infection. Belongs to the cecropin family. Was originally thought to originate from pig (PubMed:2512577 and PubMed:1396696). It was later shown that this protein in fact originates from A.suum which is present in pig intestine (PubMed:12737319).