Abstract
The novel BTM-P1 peptide interferes with energetic processes in mitochondria; its antimicrobial activity against Gram-positive and Gram-negative bacteria is described here. BTM-P1 three-dimensional structure was determined by 1H NMR to explain its biological mechanisms and membrane activity. Structural data indicated that BTM-P1 can form an α-helix; circular dichroism analysis confirmed the peptide’s propensity to behave as a typical transmembrane helix in a lipidic environment. According to the structural characteristics of the polycationic BTM-P1 peptide so revealed, its biological activity can be explained by a mechanism involving the formation of ion-permeable channels in biomembranes.
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