| Amino Acid | Single Letter | Three Letter |
|---|---|---|
| alanine arginine asparagine aspartic acid asparagine or aspartic acid cysteine glutamine glutamic acid glutamine or glutamic acid glycine histidine isoleucine leucine lysine methionine phenylalanine proline serine threonine tryptophan tyrosine valine |
A R N D B C Q E Z G H I L K M F P S T W Y V |
Ala Arg Asn Asp Asx Cys Gln Glu Glx Gly His Ile Leu Lys Met Phe Pro Ser Thr Trp Tyr Val |