fMLP peptide

https://doi.org/10.1351/goldbook.13140
Formyl-methionyl-leucyl-phenylalanine, a chemoattractant (see chemotactic factor, chemotaxis) derived from degradation of bacterial or mitochondrial proteins. It causes neutrophil activation.
Source:
PAC, 2012, 84, 1113. (IUPAC glossary of terms used in immunotoxicology (IUPAC Recommendations 2012)) on page 1165 [Terms] [Paper]