TABLE 1.

Classification of LAB bacteriocins

Main categoryCharacteristicsSubcategoryExamplesReference(s)
Class ILantibiotics (containing lanthionine and β-lanthionine)Type A (elongated molecules; molecular mass, <4 kDa)Nisin A 23
Nisin Z 135
Subtilin 10
Epidermin 165
Type B (globular molecules; molecular mass, 1.8 to 2.1 kDa)Mersacidin 111
Actagardin 109
Mutacin II 190
Class IINonmodified heat-stable bacteriocins containing peptides with molecular masses of <10 kDaSubclass IIa (antilisterial pediocin-like bacteriocins)See Table 3
Subclass IIb (two-peptide bacteriocins)Plantaricin EF 3, 48
Plantaricin JK 3, 48
Subclass IIc (other peptide bacteriocins)Lactococcin 972 122
Class IIIProtein bacteriocins with molecular masses of >30 kDaHelveticin J 96
Millericin B 16