Difference between revisions of "FASTA"
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Revision as of 19:37, 23 March 2010
A simple text format for storing DNA sequences.
A FASTA file can store one or more DNA sequences. Each record in a FASTA file begins with a > character (which must be the first character in the line) a sequence label and optional commentary. This record is followed by a sequence that can wrap over multiple lines, as needed. Typically, each line has about 50 characters and it is recommended that every line in a sequence should have the same length -- to facilitate indexing.
Example
>sequenceName Comments about the sequence len = 120 ACTGACTGACACTGACTGACACTGACTGACACTGACTGACACTGACTGAC ACTGACTGACACTGACTGACACTGACTGACACTGACTGACACTGACTGAC ACTGACTGACACTGACTGAC