Amino Acid "Categories"

List all the non-polar, neutral amino acids (typically oily and structural).

• Methionine

• Glycine

• Alanine

• Leucine

• Phenylalanine

• Isoleucine

• Tryptophan

• Proline

• Valine

List all the polar, neutral amino acids (typically participate in dipole-dipole interactions and h-bonding)

• Threonine

• Glutamine

• Cysteine

• Asparagine

• Serine

• Tyrosine

List all the charged, acidic amino acids (typically have a carboxylic acid group in their side chain)

• Glutamic Acid/Glutamate

• Aspartic Acid/Aspartate

List all the charged, basic amino acids (typically nitrogen-based and protonated at neutral pH)

• Histidine

• Arginine

• Lysine