A codon is three bases in a DNA or RNA sequence which specify a single amino acid.
Amino Acid | Single Letter Code | DNA Codons |
---|---|---|
Isoleucine | I | ATT, ATC, ATA |
Leucine | L | CTT, CTC, CTA, CTG, TTA, TTG |
Valine | V | GTT, GTC, GTA, GTG |
Phenylalanine | F | TTT, TTC |
Methionine | M | ATG |
Cysteine | C | TGT, TGC |
Alanine | A | GCT, GCC, GCA, GCG |
Glycine | G | GGT, GGC, GGA, GGG |
Proline | P | CCT, CCC, CCA, CCG |
Threonine | T | ACT, ACC, ACA, ACG |
Serine | S | TCT, TCC, TCA, TCG, AGT, AGC |
Tyrosine | Y | TAT, TAC |
Tryptophan | W | TGG |
Glutamine | Q | CAA, CAG |
Asparagine | N | AAT, AAC |
Histidine | H | CAT, CAC |
Glutamic acid | E | GAA, GAG |
Aspartic acid | D | GAT, GAC |
Lysine | K | AAA, AAG |
Arginine | R | CGT, CGC, CGA, CGG, AGA, AGG |
Start Codons | Start | ATG, rarely GTG |
Stop Codons | Stop | TAA, TAG, TGA |