N-Formylmethionine leucyl-phenylalanine
Encyclopedia
N-Formylmethionyl-leucyl-phenylalanine is a formylated
Formylation
Formylation is a type of posttranslational modification in which a formyl group is added to the N-terminus of a protein....

 tripeptide
Tripeptide
A tripeptide is a peptide consisting of three amino acids joined by peptide bonds.Examples of tripeptides are:*Eisenin is a peptide with immunological activity that is isolated from the Japanese marine alga, Eisenia bicyclis, which more commonly is known as, Arame*GHK-Cu is a human copper binding...

 originally isolated from bacterial filtrates that is positively chemotactic to polymorphonuclear leucocytes, and causes them to release lysosomal enzymes and become "metabolically activated" <-(undefined term, please define).
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
x
OK