4-Fluoro--threonine is an antibacterial produced by ''

Streptomyces cattleya ''Streptomyces cattleya'' is a Gram-positive bacterium which makes cephamycin, penicillin and thienamycin. The bacterium expresses a fluorinase enzyme, and the organism has been used to understand the biosynthesis of fluoroacetic acid, fluoroacet ...

''. It is formed by the fluorothreonine transaldolase catalysed transfer of fluoroacetaldehyde onto

threonine Threonine (symbol Thr or T) is an amino acid that is used in the biosynthesis of proteins. It contains an α-amino group (which is in the protonated −NH form when dissolved in water), a carboxyl group (which is in the deprotonated −COO− ...

References

Alpha-Amino acids Fluorinated amino acids Fluorohydrins Fluorine-containing natural products {{OrganicAcid-stub