Antimicrobial leucocin analogues with a disulfide bridge replaced by a carbocycle or by noncovalent interactions of allyl glycine residues.


The type IIa bacteriocins are antimicrobial peptides isolated from lactic acid bacteria that act as food preservation agents and have nanomolar activity against pathogens such as Listeria monocytogenes. Previous reports with mutant bacteriocins indicate that the conserved disulfide bridge between cysteine residues 9 and 14 in bacteriocins such as leucocin A… (More)


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