This table shows the 64 codons and the amino acid each codon codes for. The direction is 5′ to 3′.
2nd base | |||||
---|---|---|---|---|---|
U | C | A | G | ||
1st base |
U | UUU (Phe/F)Phenylalanine UUC (Phe/F)Phenylalanine UUA (Leu/L)Leucine UUG (Leu/L)Leucine |
UCU (Ser/S)Serine UCC (Ser/S)Serine UCA (Ser/S)Serine UCG (Ser/S)Serine |
UAU (Tyr/Y)Tyrosine UAC (Tyr/Y)Tyrosine UAA Ochre (Stop) UAG Amber (Stop) |
UGU (Cys/C)Cysteine UGC (Cys/C)Cysteine UGA Opal (Stop) UGG (Trp/W)Tryptophan |
C | CUU (Leu/L)Leucine CUC (Leu/L)Leucine CUA (Leu/L)Leucine CUG (Leu/L)Leucine |
CCU (Pro/P)Proline CCC (Pro/P)Proline CCA (Pro/P)Proline CCG (Pro/P)Proline |
CAU (His/H)Histidine CAC (His/H)Histidine CAA (Gln/Q)Glutamine CAG (Gln/Q)Glutamine |
CGU (Arg/R)Arginine CGC (Arg/R)Arginine CGA (Arg/R)Arginine CGG (Arg/R)Arginine |
|
A | AUU (Ile/I)Isoleucine AUC (Ile/I)Isoleucine AUA (Ile/I)Isoleucine AUG (Met/M)Methionine, (Start) |
ACU (Thr/T)Threonine ACC (Thr/T)Threonine ACA (Thr/T)Threonine ACG (Thr/T)Threonine |
AAU (Asn/N) Asparagine AAC (Asn/N)Asparagine AAA (Lys/K)Lysine AAG (Lys/K)Lysine |
AGU (Ser/S) Serine AGC (Ser/S)Serine AGA (Arg/R) Arginine AGG (Arg/R)Arginine |
|
G | GUU (Val/V)Valine GUC (Val/V)Valine GUA (Val/V)Valine GUG (Val/V)Valine |
GCU (Ala/A)Alanine GCC (Ala/A)Alanine GCA (Ala/A)Alanine GCG (Ala/A)Alanine |
GAU (Asp/D)Aspartic acid GAC (Asp/D)Aspartic acid GAA (Glu/E)Glutamic acid GAG (Glu/E)Glutamic acid |
GGU (Gly/G)Glycine GGC (Gly/G)Glycine GGA (Gly/G)Glycine GGG (Gly/G)Glycine |
Reverse Codon Table
This table shows the 20 standard amino acids used in proteins, and the codons that code for each amino acid.
Ala | A | GCU, GCC, GCA, GCG | Leu | L | UUA, UUG, CUU, CUC, CUA, CUG |
Arg | R | CGU, CGC, CGA, CGG, AGA, AGG | Lys | K | AAA, AAG |
Asn | N | AAU, AAC | Met | M | AUG |
Asp | D | GAU, GAC | Phe | F | UUU, UUC |
Cys | C | UGU, UGC | Pro | P | CCU, CCC, CCA, CCG |
Gln | Q | CAA, CAG | Ser | S | UCU, UCC, UCA, UCG, AGU,AGC |
Glu | E | GAA, GAG | Thr | T | ACU, ACC, ACA, ACG |
Gly | G | GGU, GGC, GGA, GGG | Trp | W | UGG |
His | H | CAU, CAC | Tyr | Y | UAU, UAC |
Ile | I | AUU, AUC, AUA | Val | V | GUU, GUC, GUA, GUG |
Start | AUG | Stop | UAG, UGA, UAA |