| Section2 = | Section3 = }} N-Formylmethionine (fMet)'s a proteinogenic amino acid found in Bacteria and related Eukaryotic organelles. It's a derivative of the amino acid methionine in which a formyl group has been added to the amino group. It's specifically used for initiation of protein synthesis, and may be removed after. fMet plays a crucial part in the protein synthesis of bacteria, mitochondria and chloroplasts. It isn't used in cytosolicprotein synthesis of eukaryotes, where eukaryotic… (More on Formylmethionine)