[Genome] heterochromatin

[Ann Zweig]

Hello Raj,

	It's possible to get a general sense of this by looking at the gap 
track.  Each individual gap includes a label as to the type of gap 
(heterochromatin is one type).

	You can use the table browser to view only those gaps that are of type 
heterochromatin.  Read more about using the Table Browser here:
http://genome.ucsc.edu/goldenPath/help/hgTablesHelp.html

	For the human assemblies, we have generated statistics about the entire 
assembly, on a per-chromosome basis.  These stats include information 
about the amount of non-euch. gaps.  You can find the stats for the 
latest human assembly (hg18 (NCBI build 36.1)) here:
http://genome.ucsc.edu/goldenPath/stats.html#hg18

	NCBI also has statistics about this build here:
http://www.ncbi.nlm.nih.gov/mapview/stats/BuildStats.cgi?taxid=9606&build=36&ver=1

	I hope this helps you get started in your search.  Please feel free to 
write back to the list if you need more information.

Regards,

----------
Ann Zweig
UCSC Genome Bioinformatics Group
http://genome.ucsc.edu

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Arjun Kumar Manrai wrote:
> Hello,
> 
> Is it possible to find out which parts of the sequence for a given species
> are annotated as heterochromatin and which are annotated as euchromatin? And
> does UCSC have summary statistics available on what proportion of the
> predicted amount of heterochromatin is currently sequenced for a given
> species?
> 
> Thanks,
> Arjun (Raj) K. Manrai
> Harvard University
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