Fasta Format

Fasta format

A sequence in FASTA format begins with a single-line description, followed by lines of sequence data. The description line is distinguished from the sequence data by a greater-than (">") symbol in the first column. The word following the ">" symbol is the identifier (unique required) of the sequence, and the rest of the line is the description (optional). There should be no space between the ">" and the first letter of the identifier. It is recommended that all lines of text be shorter than 80 characters. The sequence ends if another line starting with a ">" appears; this indicates the start of another sequence.

Examples

 >PrimerName1 This is description, can be any words
 CTGTTTAAGACTCACCCTGAGAC
 >PrimerName2 Primer name should be unique, duplication name not allowed
 GGTGCAACCATGCTTCTTCA
 >PrimerName3 Primer name just like everyone's ID
 CTGCCGAGATCCAGCCTCTA
 >PrimerName4
 GCATCTGCTCCAAAGTCCCC