Amino Acids with additional Acidic Group Aspartic Acid (ASP) (a - amino succinate) Glutamic Acid (GLU) (a - amino glutarate) NH3 + C COO￾H CH2 COO￾NH3 + C COO￾H CH2 COO￾CH2Amino Acids with additional Acidic Group Aspartic Acid (ASP) (a - amino succinate) Glutamic Acid (GLU) (a - amino glutarate) NH3 + C COO￾H CH2 COO￾NH3 + C COO￾H CH2 COO￾CH2