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Old 04-21-2011, 08:32 PM   #1
tujchl
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Location: BEIJING, CHINA

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Default Hela have Y chromosome?

HI:
Since I need H3K4me3 chip-seq data, I download it from UCSC (http://hgdownload.cse.ucsc.edu/golde....narrowPeak.gz).
One strange thing is the data show enrishment regions on Y chromosome, as far as I know Hela don`t have Y chromosome.
someone explain it for me?
thanks
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Old 04-21-2011, 08:53 PM   #2
ECO
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http://en.wikipedia.org/wiki/Pseudoautosomal_region , perhaps?
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Old 04-21-2011, 09:52 PM   #3
tujchl
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thanks ECO:
Do you mean the peak region on Y chromosome can be explained by homologous region between Y chromosome and other chromosomes?
but Why UCSC retain those regions even knowing Hela don`t have Y chromosome?
any special reason?
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