WebLab

Split FASTA divides FASTA sequence records into smaller FASTA sequences of the size you specify. An optional overlap value can be used to create sequences that overlap.

Paste the FASTA sequences into the text area below. Input limit is 500000 characters.

>random_sequence_1000_bases
                                gtttcaaactgtccaggtctaatggtgtgaagcgatactgtttgatgcctggttggtgca
                                actggcggcaaaacggcttaaagctccagatgccacattagtgaggacctggtgtattac
                                gttggattaccctgtgacagctcaggcacacaccaggattaggaaattagcatcgtaaga
                                ctagtccgtacaaacaaaaacaaaaaatagaagtttcaagtggttcccgttgttggagcg
                                cgtaagggatacgtaataataggtcaggtcagaaagaagcggcttggagccccatttata
                                tctttaacatcgggagaatcatccgtcgaccttgtggcacggtttgccggcgcgaatagg
                                gtggacgtagatattagacggagacggttgaagcttacctcgtagctgggaactctatgg
                                agtggctaccctatggacttcctccggcagcgcaggtttcaaaatgagcaatcagcaatt
                                cctaggatgaagccgcgagctaaaaacttcagcgcttccgcatgcgttactgtcctggag
                                agttttaatcgggtgtctgtcacacacctcggatctcgcccactgcgtgagccttagata
                                cgcagtgatgcaatggatgtaggtctctagcgaagccaagtctagtcgcgcctccgcgcg
                                caagtctgcgataatgggcaagtgcctgcagtctaagtataactcgtcgccagatgcggc
                                ataggattatgagcgtttcccctgcgcgttatggtacccggaccgggcccgcgacacacg
                                gtgcacaggtagagctagttaggcgtaacgacgccagaattatgtttattatttacctgt
                                gacgcaagctaacagtagtgccccggggtgctagtaagtaagcagagaactgggatgtag
                                ccgtcaaaggtcttttgccgagatgactactacaaccgtatagacaaagcgtgcacatta
                                catggggagtacctacttccagaacctgtgtcttcctagt

The new sequences should be bases long.
The new sequences should overlap by bases.