Skews from custom sequences

Name of sequence:
Copy sequence in the textarea below (up to 5,000,000 bp):

Window size or bases(100-50000)

Show G+C %
Show GC-skew
Show AT-skew
Show KETO-skew
Show oligo-skew for in
Show subsequence: from to
Info

Example skew for Escherichia coli K12 showing all type of skews available. Click to enlarge.

This script has been extracted from online tools at insilico.ehu.eus/.
The type of skews describer are available for all sequenced bacterial genomes here

Source code is available at BioPHP.org