AMINO ACIDS

Glycine

Gly: Special Case. Hydrogen R-group, simplest amino acid nonpolar, hydrophobic

Cysteine

Cys: Special Case. Contains a sulfur atom in its R group, polar, and involved in disulfide bonds that stabilize protein structure

Proline

Pro: Special Case. Nonpolar

Alanine

Ala: Methyl group, hydrocarbon side chain, nonpolar, hydrophobic

Valine

Val: Nonpolar, hydrophobic

Leucine

Leu: Nonpolar, hydrophobic

Isoleucine

Ile: Nonpolar, hydrophobic

Methionine

Met: Nonpolar, hydrophobic

Phenylalanine

Phe: Nonpolar, hydrophobic, ring structure, aromatic

Tryptophan

Trp: Nonpolar, hydrophobic, ring structure, aromatic

Serine

Ser: Polar due to OH, can dissolve in water, hydrophilic, uncharged

Threonine

Thr: Polar portion is OH, nonpolar portion is CH3. Polar and hydrophilic, uncharged

Asparagine

Asn: Polar due to amino group, hydrophilic, uncharged

Glutamine

Gln: Polar due to hydrogen bonds in amino group, hydrophilic, uncharged

Tyrocine

Tyr: Nonpolar ring, polar OH, polar, hydrophilic, uncharged, aromatic

Aspartine

Asp: Acidic, charged, polar, hydrophilic, negative

Glutamate

Glu: Acidic, charged, polar, hydrophilic, negative

Lysine

Lys: Basic due to NH3, charged, polar, hydrophilic, positive

Arginine

Arg: Basic, charged, polar, hydrophilic, positive

Histidine

His: Basic, charged, polar, hydrophilic, positive, aromatic