DNA and RNA codon tables

DNA codon table

nonpolar	polar	basic	acidic	(stop codon)

The table shows the 64 codons and the amino acid for each.
The direction of the DNA is 5' to 3'.

2nd base

T

C

A

G

1st
base

T

TTT	(Phe/F) Phenylalanine
TTC	(Phe/F) Phenylalanine
TTA	(Leu/L) Leucine
TTG	(Leu/L) Leucine

TCT	(Ser/S) Serine
TCC	(Ser/S) Serine
TCA	(Ser/S) Serine
TCG	(Ser/S) Serine

TAT	(Tyr/Y) Tyrosine
TAC	(Tyr/Y) Tyrosine
TAA	Ochre Stop
TAG	Amber Stop

TGT	(Cys/C) Cysteine
TGC	(Cys/C) Cysteine
TGA	Opal Stop
TGG	(Trp/W) Tryptophan

C

CTT	(Leu/L) Leucine
CTC	(Leu/L) Leucine
CTA	(Leu/L) Leucine
CTG	(Leu/L) Leucine

CCT	(Pro/P) Proline
CCC	(Pro/P) Proline
CCA	(Pro/P) Proline
CCG	(Pro/P) Proline

CAT	(His/H) Histidine
CAC	(His/H) Histidine
CAA	(Gln/Q) Glutamine
CAG	(Gln/Q) Glutamine

CGT	(Arg/R) Arginine
CGC	(Arg/R) Arginine
CGA	(Arg/R) Arginine
CGG	(Arg/R) Arginine

A

ATT	(Ile/I) Isoleucine
ATC	(Ile/I) Isoleucine
ATA	(Ile/I) Isoleucine
ATG ^[A]	(Met/M) Methionine

ACT	(Thr/T) Threonine
ACC	(Thr/T) Threonine
ACA	(Thr/T) Threonine
ACG	(Thr/T) Threonine

AAT	(Asn/N) Asparagine
AAC	(Asn/N) Asparagine
AAA	(Lys/K) Lysine
AAG	(Lys/K) Lysine

AGT	(Ser/S) Serine
AGC	(Ser/S) Serine
AGA	(Arg/R) Arginine
AGG	(Arg/R) Arginine

G

GTT	(Val/V) Valine
GTC	(Val/V) Valine
GTA	(Val/V) Valine
GTG	(Val/V) Valine

GCT	(Ala/A) Alanine
GCC	(Ala/A) Alanine
GCA	(Ala/A) Alanine
GCG	(Ala/A) Alanine

GAT	(Asp/D) Aspartic acid
GAC	(Asp/D) Aspartic acid
GAA	(Glu/E) Glutamic acid
GAG	(Glu/E) Glutamic acid

GGT	(Gly/G) Glycine
GGC	(Gly/G) Glycine
GGA	(Gly/G) Glycine
GGG	(Gly/G) Glycine

^A The codon ATG both codes for methionine and serves as an initiation site: the first ATG in an DNA's coding region is where translation into protein begins.^[1]

Inverse table
Ala/A	GCT, GCC, GCA, GCG	Leu/L	TTA, TTG, CTT, CTC, CTA, CTG
Arg/R	CGT, CGC, CGA, CGG, AGA, AGG	Lys/K	AAA, AAG
Asn/N	AAT, AAC	Met/M	ATG
Asp/D	GAT, GAC	Phe/F	TTT, TTC
Cys/C	TGT, TGC	Pro/P	CCT, CCC, CCA, CCG
Gln/Q	CAA, CAG	Ser/S	TCT, TCC, TCA, TCG, AGT, AGC
Glu/E	GAA, GAG	Thr/T	ACT, ACC, ACA, ACG
Gly/G	GGT, GGC, GGA, GGG	Trp/W	TGG
His/H	CAT, CAC	Tyr/Y	TAT, TAC
Ile/I	ATT, ATC, ATA	Val/V	GTT, GTC, GTA, GTG
START	ATG	STOP	TAA, TGA, TAG

^ Nakamoto T (2009). "Evolution and the universality of the mechanism of initiation of protein synthesis". Gene. 432 (1–2): 1–6. doi:10.1016/j.gene.2008.11.001. PMID 19056476. {{cite journal}}: Unknown parameter |month= ignored (help)

[pmid19056476-1] Nakamoto T (2009). "Evolution and the universality of the mechanism of initiation of protein synthesis". Gene. 432 (1–2): 1–6. doi:10.1016/j.gene.2008.11.001. PMID 19056476. {{cite journal}}: Unknown parameter |month= ignored (help)

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