Hello Jeremy,
Thank you for using the UCSC Genome Browser and your question about obtaining a summary table for the RepeatMasker track.
You can get summary information from the RepeatMasker track by using the Table Browser.
clade: mammal
genome: Elephant
assembly: Jul. 2009 (Broad/loxAfr3)
group: Variation and Repeats
track: RepeatMasker
table: rmsk
region: genome
Clicking the summary/statistics button will redirect you to a new page where you can view information such as the item count or how much of the genome is covered by these annotations. For example, the RepeatMasker track contains 5,770,660 annotations which covers about 47.68% of the elephant genome excluding gaps.
You can create a filter to give the statistics for the each of the different classes of repeats.
To create a filter, on the main Table Browser page next to the filter: setting, click create.
Once redirected to a new page, where you can filter the results by a particular field.
For example, you can limit the statistics to only the SINE class of repeats by changing "repClass does match *
" to
repClass does match SINE
and then click submit.
Once you are back on the main Table Browser page, click the summary/statistics button once again. This time, only statistics for items that passed through the filter will be displayed. For example, the SINE repeat class has 1,962,142 annotations which covers about 8.67% of the elephant genome excluding gaps.
I hope this is helpful. If you have any further questions, please reply to gen...@soe.ucsc.edu.
All messages sent to that address are archived on a publicly-accessible Google Groups forum.
If your question includes sensitive data, you may send it instead to genom...@soe.ucsc.edu.
Jairo Navarro
UCSC Genomics Institute
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