Amino acids letter code
Alanine
A
Valine
V
Leucine
L
Isoleucine
I
Methionine
M
Glutamic Acid
E
Aspartic Acid
D
Phenylalanine
F
Tyrosine
Y
Tryptophan
W
Lysine
K
Arginine
R
Serine
S
Threonine
T
Histine
H
Cystine
C
Asparagine
N
Glutamine
Q
Proline
P
Glycine
G