IUPAC codes for amino acids
(Single-letter codes based on International Union of Pure and Applied Chemistry)The information is gathered from: http://www.insdc.org/documents/feature_table.html
| One-letter abbreviation | Three-letter abbreviation | Description |
|---|---|---|
| A | Ala | Alanine |
| R | Arg | Arginine |
| N | Asn | Asparagine |
| D | Asp | Aspartic acid |
| C | Cys | Cysteine |
| Q | Gln | Glutamine |
| E | Glu | Glutamic acid |
| G | Gly | Glycine |
| H | His | Histidine |
| J | Xle | Leucine or Isoleucineucine |
| L | Leu | Leucine |
| I | ILe | Isoleucine |
| K | Lys | Lysine |
| M | Met | Methionine |
| F | Phe | Phenylalanine |
| P | Pro | Proline |
| O | Pyl | Pyrrolysine |
| U | Sec | Selenocysteine |
| S | Ser | Serine |
| T | Thr | Threonine |
| W | Trp | Tryptophan |
| Y | Tyr | Tyrosine |
| V | Val | Valine |
| B | Asx | Aspartic acid or Asparagine Asparagine |
| Z | Glx | Glutamic acid or Glutamine Glutamine |
| X | Xaa | Any amino acid |