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Web Align

Calculate optimal alignment using
NEEDLEMAN-WUNCH(similarity) MEASURE SELLERS DISTANCE
Sequence Type
DNA Sequence Amino Acid Sequence

Enter number of equally optimal alignments to be printed out

Do you want to weigh the left hand gap
No Yes

Do you want to weigh the right hand gap
No Yes

The Gap (Deletion/Insertion) Weight is calculated from the equation W1 + W2*(GAP LENGTH).
W1 Value?
W2 Value?

Sequence 1

Enter a sequence.

Please enter the LOCUS name? (for identification of the sequence)

Begin?
End?

Sequence 2

Enter a sequence.

Please enter the LOCUS name? (for identification of the sequence)

Begin?
End?

If you use this program in published research, please site:

  • S.B. Needleman and C.D. Wunch, J Mol Biol, Vol 48, 443, 1970.
  • T.F. Smith, M.S. Waterman and W.M. Fitch, J Mol Evol, Vol 18, 38-46, 1981.
    Last updated

    accesses since 5th June 1996.