Amino acid one letter abbreviations

Glutamic acid

E

Phenylalanine

F

Glycine

G

Histidine

H

Isoleucine

I

Lysine

K

Leucine

L

Methionine

M

Asparagine

N

Proline

P

Glutamine

Q

Arginine

R

Serine

S

Threonine

T

Valine

V

Tryptophan

W

Tyrosine

Y

Alanine

A

Cysteine

C

Aspartic acid

D