N-t-Boc-Phe-Leu-Phe-Leu-Phe is a chemotactic peptide antagonist. A competetive antagonist of the binding of N-formly-Met-Leu-Phe to neutrophils. N-Boc-Phe-Leu-Phe-Leu-Phe(Boc-PLPLP) is used extensively in Formyl Peptide Receptor(FPR) research. In regard to neutrophils, it was found that…