Friday, December 6, 2013

The Genetic Code


The genetic code

quoted from
Molecular Cell Biology』 
by Harvey Lodish, Arnold Berk, Chris A. Kaiser and Monty Krieger



  1. U
    • uracil
  2. C
    • cytosine
  3. A
    • adenine
  4. G
    • guanine
  5. Phe
    • phenylalanine
  6. Leu
    • Leucine
  7. Leu(met)

  8. Ile
    • Isoleucine
  9. Met(Start)
    • Methionine
  10. Val
    • Valine
  11. Val(Met)
  12. Ser
    • Serine
  13. Pro
    • Proline
  14. Thr
    • Threonine
  15. Ala
    • Alanine
  16. Tyr
    • Tyrosine
  17. Stop

  18. His
    • Histidine
  19. Gln
    • Glutamine
  20. Asn
    • Asparagine
  21. Lys
    • Lysine
  22. Asp
    • Aspartic acid
  23. Glu
    • Glutamic acid
  24. Cys
    • Cysteine
  25. Stop
  26. Trp
    • Tryptophan
  27. Arg
    • Arginine
  28. Gly
    • Glycine




[Reference]


RNA codon table[edit]

nonpolarpolarbasicacidic(stop codon)
Standard genetic code
1st
base
2nd base3rd
base
UCAG
UUUU(Phe/F)PhenylalanineUCU(Ser/S) SerineUAU(Tyr/Y) TyrosineUGU(Cys/C) CysteineU
UUCUCCUACUGCC
UUA(Leu/L) LeucineUCAUAAStop (Ochre)UGAStop (Opal)A
UUGUCGUAGStop (Amber)UGG(Trp/W)Tryptophan    G
CCUUCCU(Pro/P) ProlineCAU(His/H) HistidineCGU(Arg/R) ArginineU
CUCCCCCACCGCC
CUACCACAA(Gln/Q)GlutamineCGAA
CUGCCGCAGCGGG
AAUU(Ile/I) IsoleucineACU(Thr/T)Threonine        AAU(Asn/N)AsparagineAGU(Ser/S) SerineU
AUCACCAACAGCC
AUAACAAAA(Lys/K) LysineAGA(Arg/R) ArginineA
AUG[A](Met/M)MethionineACGAAGAGGG
GGUU(Val/V) ValineGCU(Ala/A) AlanineGAU(Asp/D)Aspartic acidGGU(Gly/G) GlycineU
GUCGCCGACGGCC
GUAGCAGAA(Glu/E) Glutamic acidGGAA
GUGGCGGAGGGGG
A The codon AUG both codes for methionine and serves as an initiation site: the first AUG in anmRNA's coding region is where translation into protein begins.[29]