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The page is a central reference of information and notes for computational biologists and software engineers in the CGA group, as we transition from the TCGA era of GDAC to the GDC/GDAN era. As of July 2016, the Genomics Data Commons has replaced the TCGA Data Coordination Center as the repository of not only TCGA data but also for other existing genomics projects (such as TARGET), as well as future genomics projects.

Reference Data

  1. For GDAN pipelines we will store on-premises reference data in /xchip/cga/reference/GDAN. 

  2. This is analogous  to the TCGA reference directory /xchip/cga/reference/tcga but is not TCGA-centric.  In addition to having hg38 reference data, the GDAN reference tree will gather the bits and pieces of "hidden data" that for expedience has been accidentally squirreled away in less than ideal locations.

  3. The first entry in the GDAN reference tree is ./GDAN/miR/miRSeqpreprocess/mature.21.fa.gz, which is used in the miRSeq preprocessor.

  4.  Ideally the reference directory will be migrate to a cloud bucket and referenced in cloud-based analysis pipelines, but that will take time.
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