Amino acid |
Three letter code |
One letter code |
alanine |
ala |
A |
arginine |
arg |
R |
asparagine |
asn |
N |
aspartic acid |
asp |
D |
asparagine or aspartic acid |
asx |
B |
cysteine |
cys |
C |
glutamic acid |
glu |
E |
glutamine |
gln |
Q |
glutamine or glutamic acid |
glx |
Z |
glycine |
gly |
G |
histidine |
his |
H |
isoleucine |
ile |
I |
leucine |
leu |
L |
lysine |
lys |
K |
methionine |
met |
M |
phenylalanine |
phe |
F |
proline |
pro |
P |
serine |
ser |
S |
threonine |
thr |
T |
tryptophan |
trp |
W |
tyrosine |
tyr |
Y |
valine |
val |
V |