Extract occurrences of a given k-mer in a specified region along the selected genome. K-mer occurrence track is extracted as a BED file.
A string based on only the following characters: a, c, g, t, A, C, G, T. Eventual use of case has no effect.
Region specification as in UCSC Genome browser. * means whole genome. k and m denotes thousand and million bps, respectively. E.g chr1:1-20m