codes of amino acids formed from aspartate begin with adenine ( methionine , isoleucine , threonine , asparagine , lysine , serine ) , while those of the amino acids formed from the compounds with five carbon atoms ( glutamic acid and phosphoribosyl pyrophosphate ) begin with cytosine ( arginine , proline , glutamine , histidine ) .
C0002520
amino acids
C0061472
glutamic acid