Bacteriocin active against species of Gram-positive bacterial genera Bacillus, Enterococcus, Lactobacillus, Lactococcus, Micrococcus, Staphylococcus and Streptococcus. Active against L.monocytogenes (MIC=0.53 mg/ml). Has no activity against various Gram-negative species. Has no activity against strains of fungi C.albicans and A.brasiliensis. Stable from pH 2 to 12. Thermostable. Retains 100% activity after incubaction at 100 degrees Celsius for 30 minutes. Retains 70% activity after incubation at 121 degrees Celsius at high pressure for 30 minutes. Antibacterial activity is lost upon treatment with pronase E and partially with trypsin but not when treated with lysozyme or proteinase K.