the 20 amino acids

glycine structure

alanine structure

proline structure

valine structure

leucine structure

isoleucine structure

methionine structure

phenylalanine structure

tyrosine structure

tryptophan structure

serine structure

threonine structure

cysteine structure

asparagine structure

glutamine structure

lysine structure

histidine structure

arginine structure

aspartate structure

glutamate structure

list the nonpolar amino acids (7)

1. glycine

2. alanine

3. proline

4. valine

5. leucine

6. isoleucine

7. methionine

list the aromatic amino acids (3)

1. phenylalanine

2. tyrosine

3. tryptophan

list the polar uncharged amino acids (5)

1. serine

2. threonine

3. cysteine

4. asparagine

5. glutamine

list the positively charged amino acids (3)

1. lysine

2. histidine

3. arginine

list the negatively charged amino acids (2)

1. aspartate

2. glutamate

glycine abbreviation

Gly (G)

alanine abbreviation

Ala (A)

proline abbreviation

Pro (P)

valine abbreviation

Val (V)

Leucine abbreviation

Leu (L)

isoleucine abbreviation

Ile (I)

methionine abbreviation

Met (M)

phenylalanine abbreviation

Phe (F)

tyrosine abbreviation

Tyr (Y)

tryptophan abbreviation

Trp (W)

serine abbreviation

Ser (S)

threonine abbreviation

Thr (T)

cystein abbreviation

Cys (C)

asparagine abbreviation

Asn (N)

glutamine abbreviation

Gln (Q)

lysine abbreviation

Lys (K)

histidine abbreviation

His (H)

arginine abbreviation

Arg (R)

aspartate abbreviation

Asp (D)

glutamate abbreviation

Glu (E)