Antibacterial peptide. Hemolymph. Produced in fat body. By bacterial infection. O-glycosylation is important for the antibacterial activity of lebocin, O-linked glycan structure is a disaccharide (Gal-GalNAc) in case of lebocin 1 and a monosaccharide (GalNAc) in case of lebocin 2. Belongs to the lebocin family.