Alanine
A

Arginine
R

Asparagine
N

Aspartic acid
D

Cysteine
C

Glutamic acid
E

Glutamine
Q

Glycine
G

Histidine
H

Isoleucine
I

Leucine
L

Lysine
K

Methionine
M

Phenylalanine
F

Proline
P

Serine
S

Threonine
T

Tryptophan
W

Tyrosine
Y

Valine
V