Antimicrobial peptide active against many Gram-negative enterobacterial and plant-associated bacterial species. Not active against other bacterial species like H.pylori, P.mirabilis, B.pertussis or N.gonorrhoeae. Among others, also active against C.jejuni and L.pneumophila but not against Y.enterocolitica. Among others, also active against Y.enterocolitica butnot against L.pneumophila and C.jejuni. By bacterial infection. Apidaecin Cd 1+. Apidaecin Cd 1-. Belongs to the apidaecin family.