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(Pasted from http://genome.ucsc.edu/cgi-bin/hgTrackUi?db=hg18&g=wgEncodeMapability)
(Pasted from http://genome.ucsc.edu/cgi-bin/hgTrackUi?db=hg18&g=wgEncodeMapability)
== Broad alignability ==
== Broad alignability score ==
The Broad alignability track displays whether a region is made up of mostly unique or mostly non-unique sequence. To generate the track, every 36-mer in the genome was marker as "unique" if the most similar 36-mer elsewhere in the genome have at most 2 mismatches, and as "non-unique" otherwise. Position X in the alignable track is marked by 1 if >50% of the bases in [X-200,X+200] are "unique" and by 0 otherwise. Every point in the alignable track has a corresponding position in each of the ChIP signal tracks. The Broad alignability track was generated for the ENCODE project as a tool for development of the Broad Histone tracks.
The Broad alignability track displays whether a region is made up of mostly unique or mostly non-unique sequence. To generate the track, every 36-mer in the genome was marker as "unique" if the most similar 36-mer elsewhere in the genome have at most 2 mismatches, and as "non-unique" otherwise. Position X in the alignable track is marked by 1 if >50% of the bases in [X-200,X+200] are "unique" and by 0 otherwise. Every point in the alignable track has a corresponding position in each of the ChIP signal tracks. The Broad alignability track was generated for the ENCODE project as a tool for development of the Broad Histone tracks.
