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The Copy Number Variation (CNV) Project Data Display

Information on the CNV project and CNV data can be found at at the FAQ



Browse Data by Individual



Individual chromosome genome assembly browser
( alternatively click here to browse all Samples ( merged CNVs) in a browser )

How to browse a sample :



Choose the sample , the chromosome, the genome assembly and the browser that you would like to use, then click on "Browse".
This will redirect you to the first 1Mb of the chosen chromosome.

UCSC

The UCSC browser will show up to four tracks:
  1. The clones on the WGTP array (Track "Sanger_WGTP_clones" )
  2. The log2ratio of copy number at each clone (Track "DyeSwap Ratios for ...")
  3. The clones called as losses relative to the reference DNA (Track "Loss calls ...")
  4. The clones called as gains relative to the reference DNA (Track "Gain calls ...")
The distribution of log2ratios across all 270 HapMap samples can be visualised for each clone on the array by clicking on the desired clone in the track "Sanger_WGTP_Clones" to show the details page for that clone and then clicking on the link entitled "Outside Link".

Some illustrations can be found here.
For help about the UCSC browser use, please visit UCSC help

Ensembl

Choosing to display the CNVs for an individual in the Ensembl browser will show four tracks. These will be :
  1. The clones on the WGTP array (Track "Sanger_WGTP_clones" )
  2. A histogram track of the probe/clone intensity log2ratios.
  3. The clones called as losses relative to the reference DNA (Track "cnvs_loss_NAxxxxx")
  4. The clones called as gains relative to the reference DNA (Track "cnvs_gain_NAxxxxxx")
By clicking on any of the clone features in the Sanger_WGTP_clones you can follow a link (click 'details') to view a distribution of the log2ratio scores for each clone across the whole dataset of 270 HapMap individuals.

Note that due to software issues with the Ensembl website, when viewing CNVs on the NCBI35 assembly the histogram track of log2ratios will appear as a track of vertical bars. When you mouse over these the log2ratio will be displayed as a tool tip. Ideally, use the NCBI36 assembly display as it is much more illustrative.

For help about the Ensembl browser use, please visit Ensembl help


Browse Copy Number Variable regions identified within the 270 HapMap samples



Hapmap CNVs genome assembly browser

( alternatively click here to browse a single sample in a browser )

  • WGTP_CNVs - CNV identified using the WGTP array among all 270 HapMap samples
  • 500KEA_CNVs - CNV identified using the Affymetrix 500k GeneChip Early Access arrays among all 270 HapMap samples
  • Redon_CNVs - merged CNVs from both 500KEA and WGTP platforms for the 270 HapMap Samples
Please see FTP_README ( section V - CNVS PREDICTED using CNVfinder ) for additional details on the different datasets.

Back to WGTP Array data


Information on the CNV project and CNV data can be found at at the FAQ
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Last Modified Tue Jun 26 13:17:42 2007

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