Codons for Amino Acids

 

 

Amino Acid

SLC

DNA codons

Isoleucine  

I

ATT, ATC, ATA

Leucine  

L

CTT, CTC, CTA, CTG, TTA, TTG

Valine

V

GTT, GTC, GTA, GTG

Phenylalanine  

F

TTT, TTC

Methionine

M

ATG

Cysteine 

C

TGT, TGC

Alanine      

A

GCT, GCC, GCA, GCG

Glycine  

G

GGT, GGC, GGA, GGG

Proline      

P

CCT, CCC, CCA, CCG

Threonine  

T

ACT, ACC, ACA, ACG

Serine       

S

TCT, TCC, TCA, TCG, AGT, AGC

Tyrosine  

Y

TAT, TAC

Tryptophan  

W

TGG

Glutamine  

Q

CAA, CAG

Asparagine  

N

AAT, AAC

Histidine 

H

CAT, CAC

Glutamic acid  

E

GAA, GAG

Aspartic acid 

D

GAT, GAC

Lysine       

K

AAA, AAG

Arginine  

R

CGT, CGC, CGA, CGG, AGA, AGG

Stop codons

Stop

TAA, TAG, TGA

Symbols for mixed bases (NC-IUB)

G or A

R

puRine

T or C

Y

pYrimidine

A or C

M

aMino

G or T

K

Keto

G or C

S

Strong interaction (3 H bonds)

A or T

W

Weak interaction (2 H bonds)

A or C or T

H

Not-G, H follows G in the alphabet

G or T or C

B

not-A, B follows A

G or C or A

V

not-T (not-U), V follows U

G or A or T

D

not-C, D follows C