Plantaricin J and Plantaricin K forms a the two-peptide bacteriocin. The sequence of Plantaricin K is RRSRKNGIGYAIGYAFGAVERAVLGGSRDYNK. Plantaricin JK has Antimicrobial activity. The source of Plantaricin JK is Lactobacillus plantarum C1.
Anderssen EL, Diep DB, Nes IF, Eijsink VG, Nissen-Meyer J. Antagonistic activity of Lactobacillus plantarum C11: two new two-peptide bacteriocins, plantaricins EF and JK, and the induction factor plantaricin A. Appl Environ Microbiol. 1998 Jun;64(6):2269-72.