Template:Codon table

Amino acids biochemical properties

nonpolar

polar

basic

acidic

START CODON

STOP CODON

Standard genetic code

1st base	2nd base								3rd base
	T		C		A		G
T	TTT	Phenylalanine (F)	TCT	Serine (S)	TAT	Tyrosine (Y)	TGT	Cysteine (C)	T
	TTC		TCC		TAC		TGC		C
	TTA	Leucine (L)	TCA		TAA	Stop (Ochre)	TGA	Stop (Opal)	A
	TTG		TCG		TAG	Stop (Amber)	TGG	Tryptophan (W)	G
C	CTT		CCT	Proline (P)	CAT	Histidine (H)	CGT	Arginine (R)	T
	CTC		CCC		CAC		CGC		C
	CTA		CCA		CAA	Glutamine (Q)	CGA		A
	CTG		CCG		CAG		CGG		G
A	ATT	Isoleucine (I)	ACT	Threonine (T)	AAT	Asparagine (N)	AGT	Serine (S)	T
	ATC		ACC		AAC		AGC		C
	ATA		ACA		AAA	Lysine (K)	AGA	Arginine (R)	A
	ATG	START / Methionine (M)	ACG		AAG		AGG		G
G	GTT	Valine (V)	GCT	Alanine (A)	GAT	Aspartic acid (D)	GGT	Glycine (G)	T
	GTC		GCC		GAC		GGC		C
	GTA		GCA		GAA	Glutamic acid (E)	GGA		A
	GTG		GCG		GAG		GGG		G

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

^{B ^ ^ ^} The historical basis for designating the stop codons as amber, ochre and opal is described in an autobiography by Sydney Brenner and in a historical article by Bob Edgar.

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This is the standard or universal genetic code.

This table is found in both DNA Codon Table and Genetic Code (And probably a few other places), so I'm pulling it out so it can be common. By default it's the DNA code (using the letter T for Thymine); use template parameter "T=U" to make it the RNA code (using U for Uracil). See also Template:Inverse codon table.