| -U- | -C- | -A- | -G- | ||
| U-- | Phenylalanine (Phe/F) | Serine (Ser/S) | Tyrosine (Tyr/Y) | Cysteine (Cys/C) | --U |
| --C | |||||
| Leucine (Leu/L) | Stop | Selenocysteine (Sec/U), Stop | --A | ||
| Pyrrolysine (Pyl/O), Stop | Tryptophan (Trp/W) | --G | |||
| C-- | Proline (Pro/P) | Histidine (His/H) | Arginine (Arg/R) | --U | |
| --C | |||||
| Glutamine (Gln/Q) | --A | ||||
| --G | |||||
| A-- | Isoleucine (Ile/I) | Threonine (Thr/T) | Asparagine (Asn/N) | Serine (Ser/S) | --U |
| --C | |||||
| Lysine (Lys/K) | Arginine (Arg/R) | --A | |||
| Methionine (Met/M) | --G | ||||
| G-- | Valine (Val/V) | Alanine (Ala/A) | Aspartic acid (Asp/D) | Glycine (Gly/G) | --U |
| --C | |||||
| Glutamic acid (Glu/E) | --A | ||||
| --G |