The Standard Genetic Code

  U C A G  
U

UUU   Phe (F)

UUC   Phe (F)

UUA   Leu (L)

UUG   Leu (L)

UCU   Ser (S)

UCC   Ser (S)

UCA   Ser (S)

UCG   Ser (S)

UAU   Tyr (Y)

UAC   Tyr (Y)

UAA   Stop

UAG   Stop

UGU   Cys (C)

UGC   Cys (C)

UGA   Stop

UGG   Trp (W)

U

C

A

G

C

CUU   Leu (L)

CUC   Leu (L)

CUA   Leu (L)

CUG   Leu (L)

CCU   Pro (P)

CCC   Pro (P)

CCA   Pro (P)

CCG   Pro (P)

CAU   His (H)

CAC   His (H)

CAA   Gln (Q)

CAG   Gln (Q)

CGU   Arg (R)

CGC   Arg (R)

CGA   Arg (R)

CGG   Arg (R)

U

C

A

G

A

AUU   Ile (I)

AUC   Ile (I)

AUA   Ile (I)

AUG   Met (M)

ACU   Thr (T)

ACC   Thr (T)

ACA   Thr (T)

ACG   Thr (T)

AAU   Asn (N)

AAC   Asn (N)

AAA   Lys (K)

AAG   Lys (K)

AGU   Ser (S)

AGC   Ser (S)

AGA   Arg (R)

AGG   Arg (R)

U

C

A

G

G

GUU   Val (V)

GUC   Val (V)

GUA   Val (V)

GUG   Val (V)

GCU   Ala (A)

GCC   Ala (A)

GCA   Ala (A)

GCG   Ala (A)

GAU   Asp (D)

GAC   Asp (D)

GAA   Glu (E)

GAG   Glu (E)

GGU   Gly (G)

GGC   Gly (G)

GGA   Gly (G)

GGG   Gly (G)

U

C

A

G

Molecular Weights of the Amino Acids

Amino Acid 3-letter Code 1-letter Code Molecular Weight (g/mol)
Alanine Ala A 89.1
Arginine Arg R 174.2
Asparagine Asn N 132.1
Aspartate Asp D 133.1
Cysteine Cys C 121.2
Glutamate Glu E 147.1
Glutamine Gln Q 146.2
Glycine Gly G 75.1
Histidine His H 155.2
Isoleucine Ile I 131.2
Leucine Leu L 131.2
Lysine Lys K 146.2
Methionine Met M 149.2
Phenylalanine Phe F 165.2
Proline Pro P 115.1
Serine Ser S 105.1
Threonine Thr T 119.1
Tryptophan Trp W 204.2
Tyrosine Tyr Y 181.2
Valine Val V 117.1

Approximate Molecular Weight of a Protein

M.W. of protein = # amino acids x 110 Da