| Plain sequence format |
| A plain sequence contains only sequence characters and line feed. (Only one sequence can be contained in a single file.) |
| Example CAGTCCGGCAGCGCCGGGGTTAAGCGGCCCAAGTAAACGTAGCGCAGCGATCGGCGCCGGAGATTCGCGA ACCCGACACTCCGCGCCGCCCGCCGGCCAGGACCCGCGGCGCGATCGCGGCGCCGCGCTACAGCCAGCCT CACTGGCGCGCGGGCGAGCGCACGGGCGCTC |