Amino acids

Glycine

3 letter abrev: Gly

1 letter abrev: G

Group: nonpolar

Unique functional group: H

Alanine

3 letter abrev: Ala

1 letter abrev: A

Group: nonpolar

Unique functional group: CH₃

Serine

3 letter abrev: Ser

1 letter abrev: S

Group: polar

Unique functional group: CH₂OH

Cysteine

3 letter abrev: Cys

1 letter abrev: C

Group: polar

Unique functional group: CH₂SH

Phenylalanine

3 letter abrev: Phe

1 letter abrev: F

Group: aromatic

Unique functional group: CH₂ - phenyl

Valine

3 letter abrev: Val

1 letter abrev: V

Group: nonpolar

Unique functional group: methylethyl

Leucine

3 letter abrev: Leu

1 letter abrev: L

Group: nonpolar

Unique functional group: 2-methylpropyl

Isoleucine

3 letter abrev: ile

1 letter abrev: I

Group: nonpolar

Unique functional group: 1-methylpropyl

Threonine

3 letter abrev: Thr

1 letter abrev: T

Group: polar

Unique functional group: hydroxyethyl

Tyrosine

3 letter abrev: Tyr

1 letter abrev: Y

Group: polar

Unique functional group: CH₂ - phenol

Aspartic acid

3 letter abrev: Asp

1 letter abrev: D

Group: acidic (negatively charged R group)

Unique functional group: CH₂ - carboxylic acid

Glutamic acid

3 letter abrev: Glu

1 letter abrev: E

Group: acidic

Unique functional group: propyl - carboxyl group

Histidine

3 letter abrev: His

1 letter abrev: H

Group: basic (positively charged R group)

Unique functional group: CH₂ - imidazole ring

Lysine

3 letter abrev: Lys

1 letter abrev: K

Group: basic

Unique functional group: butylamine

Arginine

3 letter abrev: Arg

1 letter abrev: R

Group: basic

Unique functional group: propyl - guanidino group (3 Ns bonded to a central carbon)