Codon Scrombler

This webpage converts an amino acid sequence to a randomized DNA sequence that codes for that amino acid sequence or vice versa.

Codon Dictionary

(edit if your organism does not use certain DNA sequences)
Alanine = Ala = A
Arginine = Arg = R
Asparagine = Asn = N
Aspartic acid = Asp = D
Cysteine = Cys = C
Glutamine = Gln = Q
Glutamic acid = Glu = E
Glycine = Gly = G
Histidine = His = H
Isoleucine = Ile = I
Leucine = Leu = L
Lysine = Lys = K
Methionine = Met = M
Phenylalanine = Phe = F
Proline = Pro = P
Serine = Ser = S
Threonine = Thr = T
Tryptophan = Trp = W
Tyrosine = Tyr = Y
Valine = Val = V
Stop = *
A: gct,gcc,gca,gcg
R: cgt,cgc,cga,cgg,aga,agg
N: aat,aac
D: gat,gac
C: tgt,tgc
Q: caa,cag
E: gaa,gag
G: ggt,ggc,gga,ggg
H: cat,cac
I: att,atc,ata
L: ctt,ctc,cta,ctg,tta,ttg
K: aaa,aag
M: atg
F: ttt,ttc
P: cct,ccc,cca,ccg
S: tct,tcc,tca,tcg,agt,agc
T: act,acc,aca,acg
W: tgg
Y: tat,tac
V: gtt,gtc,gta,gtg
*: taa,tga,tag
Presets:

Conversion

Codon sequence:

DNA sequence (ignores whitespace and digits):

Analytics:

Repeats:


Minimum number of base pairs to test for repetitions:
Maximum number of base pairs to test for repetitions: