homoserine alpha-amino-acid anion homoserinate chebi_ontology UKAUYVFTDYCKQA-UHFFFAOYSA-M InChI=1S/C4H9NO3/c5-3(1-2-6)4(7)8/h3,6H,1-2,5H2,(H,7,8)/p-1 118.05097 118.11120 An alpha-amino-acid anion resulting from the removal of a proton from the carboxy group of homoserine. CHEBI:62980 C4H8NO3 homoserine(1-) homoserine anion 2-amino-4-hydroxybutyrate -1 2-amino-4-hydroxybutanoate NC(CCO)C([O-])=O