Attention: starting March 28, 2013 this application will use TRF version 4.07b. There might be a slight difference in the number of repeats.

Submitting Your Sequence Please Select one of the following options:     Basic : Use default parameters (recommended for beginners.)     Intermediate : Set some parameters and select options.     Advanced : Set all parameters and options.

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Last revised September 11, 2003 Send any questions or comments to: Yevgeniy Gelfand