Bacteriocin active against the Gram-negative bacteria S.enteritidis, S.choleraesuis, S.typhimurium, S.gallinarum, E.coli O157:H7, Y.enterocolitica, C.freundii, K.pneumoniae, S.dysentriae, P.aeruginosa, P.mirabilis, M.morganii, C.jejuni and 20 other Campylobacter isolates, and the Gram-positive bacteria S.aureus, S.epidermidis and L.monocytogenes. Stable between pH 5.0 and pH 8.7. Activity is lost at pH 3.0 and above pH 9.5. Thermostable, retains activity after heating at 100 degrees Celsius for 5 minutes. Belongs to the bacteriocin class IIB family.