Frequency of nucleotides and oligonucleotides in a sequence
This demo is limited to oligos 1-3 bases long, and a maximum input sequence of 10000 bp.
Copy your sequence in the textarea below
(non coding characters, as number, returns or spaces will be removed)
Select length of oligonucleotides
1
2
3
*
Compute frequencies in
one strand
both strands
This version does not work with degenerated nucleotides
* when selected length is one, frequency of nucleotides A, C, G and T will be reported.
Source code is freely downloable at
biophp.org