QPSYTHAFVamide |
QPTRRPRPGTGPGRRPRPRPRP |
StAR-related lipid transfer protein 12 |
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The peptide QPTRRPRPGTGPGRRPRPRPRP is derived from the heparin-binding region of PRELP [proline/arginine-rich end leucine-rich repeat protein] (Malmsten et al, 2006). The peptide possesses antimicrobial activities against the Gram-negative bacteria Escherichia coli and Pseudomonas aeruginosa, as well as against the Gram-positive Bacillus subtilis. The peptide is not hemolytic for erythrocytes and has no membrane permeabilising effects on human epithelial cells.
For other proteins/peptides with functions in innate immunity and/or antimicrobial activities see also: Innate immunity and defense peptides Dictionary.
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