A Ala Alanine aliphatic
hydrophobic
neutral
GCT
GCC
GCA
GCG
B   either aspartic acid or asparagine      
C Cys Cysteine polar
hydrophobic
neutral
TGT
TGC
D Asp Aspartic Acid polar
hydrophilic
charged (-)
GAT
GAC
E Glu Glutamic Acid polar
hydrophilic
charged (-)
GAA
GAG
F Phe Phenylalanine aromatic
hydrophobic
neutral
TTT
TTC
G Gly Glycine   GGT
GGC
GGA
GGG
H His Histidine aromatic
polar
hydrophilic
charged (+)
CAT
CAC
I Ile Isoleucine aliphatic
hydrophobic
neutral
ATT
ATC
ATA
K Lys Lysine   AAA
AAG
L Leu Leucine aliphatic
hydrophobic
neutral
TTG
TTA
CTT
CTC
CTA
CTG
M Met Methionine hydrophobic
neutral
ATG
N Asn Asparagine polar
hydrophilic
neutral
AAT
AAC
P Pro Proline hydrophobic
neutral
CCT
CCC
CCA
CCG
Q Gln Glutamine polar
hydrophilic
neutral
CAA
CAG
R Arg Arginine polar
hydrophilic
charged (+)
CGT
CGC
CGA
CGG
AGA
AGG
S Ser Serine polar
hydrophilic
neutral
TCT
TCC
TCA
TCG
AGT
AGC
T Thr Threonine polar
hydrophilic
neutral
ACT
ACC
ACA
ACG
V Val Valine aliphatic
hydrophobic
neutral
GTT
GTC
GTA
GTG
W Trp Tryptophan aromatic
hydrophobic
neutral
TGG
X   UNKNOWN      
Y Tyr Tyrosine aromatic
polar
hydrophobic
TAT
TAC
Z   either glutamic acid or glutamine      
  End Terminator   TAA
TAG
TGA