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You can also ``click in'' your multiple protein alignment below. The final logo in postscript can then be downloaded. You can see an example of the data format here . You are welcome to send your comments or bug reports to email@example.com. The a priori probabilities for amino acids must be greater or equal to equal zero. One line of probabilities result in the same background distribution to be used throughout the alignment. Alternatively enter as many lines as there are positions in the alignment, corresponding to a position wise background distribution of nucleotides.
J. Gorodkin, L. J. Heyer, S. Brunak and G. D. Stormo. Displaying the information contents of structural RNA alignments: the structure logos. Comput. Appl. Biosci., Vol. 13, no. 6 pp 583-586, 1997.
T. D. Schneider and R. M. Stephens. Sequence logos: a new way to display consensus sequences. Nucleic Acids Research, Vol. 18, No 20, p. 6097-6100. (Also check out Tom Schneiders page.)
Last updated September 20, 1997 by Jan Gorodkin