The Genetic Code

2nd base in codon
1st base in codon
U
C
A
G
U

Phe
Phe
Leu
Leu

Ser
Ser
Ser
Ser

Tyr
Tyr
STOP
STOP
Cys
Cys
STOP
Trp
U
C
A
G

3rd base
in codon

C
Leu
Leu
Leu
Leu
Pro
Pro
Pro
Pro
His
His
Gln
Gln
Arg
Arg
Arg
Arg
U
C
A
G
A
Ile
Ile
Ile
Met
Thr
Thr
Thr
Thr
Asn
Asn
Lys
Lys
Ser
Ser
Arg
Arg
U
C
A
G
G
Val
Val
Val
Val
Ala
Ala
Ala
Ala
Asp
Asp
Glu
Glu
Gly
Gly
Gly
Gly
U
C
A
G

 

Aminocids specified by each codon sequence on mRNA:

Ala: Alanine Cys: Cysteine Asp: Aspartic acid Glu: Glutamic acid
Phe: Phenylalanine Gly: Glycine His: Histidine Ile: Isoleucine
Lys: Lysine Leu: Leucine Met: Methionine Asn: Asparagine
Pro: Proline Gln: Glutamine Arg: Arginine Ser: Serine
Thr: Threonine Val: Valine Trp: Tryptophane Tyr: Tyrosine

A = adenine, G = guanine, T = thymine, U = uracil