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Acidic Amino Acids and their Amides

Acidic amino acids are polar and negatively charged at physiological pH. Both acidic amino acids have a second carboxyl group.

Amides are polar and uncharged, and not ionizable. All are very hydrophilic.

Acidic amino acid

Amide   Acidic amino acid Amide
Molecular structure of aspartic acid  HOOC-CH3-CH(NH3)-COO
Molecualar structure of Asparagine  H2N-CO-CH2-CH(NH3)-COO   Molecular structure of glutamic acid  HOOC-(CH2)2-CH(NH3)-COO
molecular structure of glutamine H2N-CO-(CH2)2-CH(NH3)-COO
Chemical structure for aspartic acid
Chemical structure for asparagine
 
Chemical structure of glutamic acid
Chemical structure for glutamine

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The Biology Project > Biochemistry > The Chemistry of Amino Acids


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August 25, 2003
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