Nucleotide | 1-letter code | Â | Â |
---|---|---|---|
Adenosine | A | Â | Â |
Guanine | G | Â | Â |
Cytosine | C | Â | Â |
Thymine | T | Â | Â |
Degenerated nucleotide | 1-letter code | Meaning | Â |
Methyl | M | A or C | Â |
Purine | R | A or G | Â |
Weak (3 H bonds) | W | A or T | Â |
Strong (3 H bonds) | S | C or G | Â |
Pyrimidine | Y | C or T | Â |
Keto | K | G or T | Â |
 | B | not A |  |
 | D | not C |  |
 | H | not G |  |
 | V | not T |  |
Any | N or X | one of the 4 nucleotides | Â |
Amino acid | 1-letter code | Â | Degenerated codon 3-letter code |
Alanine | A | Â | GCX |
Arginine | R | Â | MGX |
Asparagine | N | Â | AAY |
Aspartic acid | D | Â | GAY |
Cysteine | C | Â | TGY |
Glutamine | Q | Â | CAR |
Glutamic acid | E | Â | GAR |
Glycine | G | Â | GGX |
Histidine | H | Â | CAY |
Isoleucine | I | Â | ATH |
Leucine | L | Â | YTX |
Lysine | K | Â | AAR |
Methionine | M | Â | ATG |
Phenylalaline | F | Â | TTY |
Proline | P | Â | CCX |
Serine | S | Â | WSX |
Threonine | T | Â | ACX |
Tryptophan | W | Â | TGG |
Thyrosine | Y | Â | TAY |
Valine | V | Â | GTX |
Degenerated amino acid | 1-letter code | Meaning | Degenerated codon 3-letter code |
Aspartate | B | N or D | RAY |
Glutamate | Z | Q or E | SAR |
Any | X | one of the 20 amino acids | XXX |