I. 20 Amino Acids (part 2)

Alanine

Ala

Alanine

A

Nonpolar (hydrophobic)

Type:

• Alanine

Arginine

Arg

Arginine

R

Positively charged (basic)

Type:

• Arginine

Asparagine

Asn

Asparagine

N

Polar (Uncharged)

Type:

• Asparagine

Aspartic Acid

Asp

Aspartic Acid

D

Negatively Charged (Acidic)

• Aspartic Acid

Cysteine

Cys

Cysteine

C

Polar, forms disulfide bonds

Type:

• Cysteine

Glutamic Acid

Glu

Glutamic Acid

E

Negatively Charged (Acidic)

Type:

• Glutamic Acid

Glutamine

Gln

Glutamine

Q

Polar (Uncharged)

Type:

• Glutamine

Glycine

Gly

Glycine

G

Nonpolar, smallest R group

Type:

• Glycine

Histidine

His

Histidine

H

Positively Charged (basic)

Type:

• Histidine

Isoleucine

Ile

Isoleucine

I

Nonpolar (hydrophobic)

Type:

• Isoleucine

Leucine

Leu

Leucine

L

Nonpolar (hydrophobic)

Type:

• Leucine

Lysine

Lys

Lysine

K

Positively charged (basic)

Type:

• Lysine

Methionine

Met

Methionine

M

Nonpolar (hydrophobic), start codon

Type:

• Methionine

Pheynylalanine

Phe

Phenylalanine

F

Nonpolar, aromatic

Type:

• Phenylalanine

Proline

Pro

Proline

P

Nonpolar, causes kinks

Type:

• Proline

Serine

Ser

Serine

S

Polar (uncharged)

Type:

• Serine

Threonine

Thr

Threonine

T

Polar (uncharged)

Type:

• Threonine

Tryptophan

Trp

Tryptophan

W

Nonpolar, aromatic

Type:

• Tryptophan

Tyrosine

Tyr

Tyrosine

Y

Polar, aromatic

Type:

• Tyrosine

Valine

Val

Valine

V

Nonpolar (hydrophobic)

Type:

• Valine