Little helpers for DNA sequences: extraction by genomic position or accession number, reformat, statistics, reverse-complement etc.
Reverse-complement formatted DNA sequence(s) in various formats
Extract DNA sequence(s) from genomes or sequence database, various output formats
Extract DNA sequences by either defining start and end position or by start position and length
Reformat DNA sequence(s) from and to various formats (FASTA, IG, EMBL, GenBank)
Sequence statistics regarding AT/GC-content, mono/di/tri-nucleotide numbers and frequencies