is conjugate acid of alpha-amino-acid anion alpha-amino acid 74.024 74.05870 Amino acid Amino acids An amino acid in which the amino group is located on the carbon atom at the position alpha to the carboxy group. C2H4NO2R CHEBI:10208 CHEBI:13779 CHEBI:22442 CHEBI:2642 CHEBI:33704 KEGG:C00045 KEGG:C05167 NC([*])C(O)=O alpha-amino acid alpha-amino acids alpha-amino carboxylic acids chebi_ontology amino acid