Royal Society of Chemistry

Proteinogenic Amino Acids

Ala

Alanine

A

Arg

Arginine

R

Asn

Asparagine

N

Asp

Aspartic acid

D

Asx

Asn or Asp

Cys

Cysteine

C

Gln

Glutamine

Q

Glu

Glutamic acid

E

Glx

Gln or Glu

Gly

Glycine

G

His

Histidine

H

Ile

Isoleucine

I

Leu

Leucine

L

Lys

Lysine

K

Met

Methionine

M

Phe

Phenylalanine

F

Pro

Proline

P

Ser

Serine

S

Thr

Threonine

T

Trp

Tryptophan

W

Tyr

Tyrosine

Y

Val

Valine

V