Single, 3-letter and ambiguity codes for Amino Acids

The 20 naturally occuring amino acids:
Alanine         Ala     A
Cysteine        Cys     C
Aspartic AciD   Asp     D
Glutamic Acid   Glu     E
Phenylalanine   Phe     F
Glycine         Gly     G
Histidine       His     H
Isoleucine      Ile     I
Lysine          Lys     K
Leucine         Leu     L
Methionine      Met     M
AsparagiNe      Asn     N
Proline         Pro     P       
Glutamine       Gln     Q
ARginine        Arg     R
Serine          Ser     S
Threonine       Thr     T
Valine          Val     V
Tryptophan      Trp     W
TYrosine        Tyr     Y
Amino acids ambiguity codes:

Asparagine/Aspartic Acid    Asx   B 
Glutamine/Glutamic Acid     Glx   Z 
Not assigned to amino acids:
J O U
Symbols for sequence analysis:
deletion or gap    . (dot) 
End or Terminator  * (star)