PHR911: Amino Acid Structures and charges

Glycine

Alanine

Proline

Valine

Leucine

Isoleucine

Asparagine

Glutamine

Serine

Threonine

Phenylalanine

Tyrosine

Tryptophan

Methionine

Cysteine

Aspartate

Glutamate

Arginine

Lysine

Histidine

All amino acids have a chiral carbon minus what amino acid?

Glycine

Nonpolar side chain:

Hydrophobic: Carbon side chain

Polar side chains:

Hydrophilic: Polar, uncharged side chain

Aromatic side chains:

Carbon ring with double bonds

Acidic Amino Acids:

charged at pH=7

(COOH)

Negative charge

Basic Side chains

NH2 side chain

Charged at pH 7

Positive charge +1

Glycine is

Nonpolar, aliphatic

Alanine is:

Nonpolar, aliphatic

Proline is:

Nonpolar, aliphatic

Valine is:

Nonpolar, branched chain

Leucine is:

Nonpolar, branched chain

Isoleucine is:

Nonpolar, Branched chain

Phenylalanine is:

Nonpolar, Aromatic

Tyrosine is:

Aromatic, Polar

Tryptophan is:

Aromatic, Polar

Asparagine is:

Polar, uncharged

Glutamine is:

Polar, uncharged

Serine is:

Polar, Uncharged

Threonine is:

Polar, Uncharged

Methionine is:

Sulfur-Containing, nonpolar

Cysteine is:

Sulfur-Containing, polar

Apartate is:

Acidic, charged -1

Glutamate is:

Acidic, charged -1

Arginine is:

Basic, charged +1

Lysine is:

Basic, Charged +1

Histadine is:

Basic, charged +1