[N-Formylmethionyl-leucyl-phenylalanine. A formylated tripeptide originally isolated from bacterial filtrates that is positively chemotactic to polymorphonuclear leucocytes, and causes them to release lysosomal enzymes and become metabolically activated. ( MSH )]
UMLS (CSP) C0027229 - Amino Acid, Peptide, or Protein
- Biologically Active Substance