Homoserine

L-Homoserine
Identifiers
CAS number 672-15-1 Y
PubChem 779
ChemSpider 758 Y
EC-number 211-590-6
ChEBI CHEBI:30653 Y
ChEMBL CHEMBL11722 N
Jmol-3D images Image 1
Properties
Molecular formula C4H9NO3
Molar mass 119.12 g/mol
 N (verify) (what is: Y/N?)
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

Homoserine (also called isothreonine) is an α-amino acid with the chemical formula HO2CCH(NH2)CH2CH2OH. L-Homoserine is not one of the common amino acids encoded by DNA. It differs from the proteinogenic amino acid serine by insertion of an additional methylene group. Homoserine, or its lactone form, is the product of a cyanogen bromide cleavage of a peptide by degradation of methionine.

Homoserine is an intermediate in the biosynthesis of three essential amino acids: methionine, threonine (an isomer of homoserine), and isoleucine. It forms by two reductions of aspartic acid via the intermediacy of aspartate semialdehyde.[1]

References

  1. ^ Berg, J. M.; Stryer, L. et al. (2002), Biochemistry. W.H. Freeman. ISBN 0-7167-4684-0