src/hg/makeDb/trackDb/ccdsGene.html 1.7
1.7 2009/02/18 23:30:43 ann
changed to the correct name (we had been using the wrong name!)
Index: src/hg/makeDb/trackDb/ccdsGene.html
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RCS file: /projects/compbio/cvsroot/kent/src/hg/makeDb/trackDb/ccdsGene.html,v
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<H2>Description</H2>
<P>
This track shows $organism genome high-confidence gene annotations from the
<A HREF="http://www.ncbi.nlm.nih.gov/CCDS/" TARGET=_blank>Consensus
-Coding DNA Sequence (CCDS) project</A>. This project is a collaborative effort
+CDS (CCDS) project</A>. This project is a collaborative effort
to identify a core set of
$organism protein-coding regions that are consistently annotated and of high
quality. The long-term goal is to support convergence towards a standard set
of gene annotations on the $organism genome.
</P>
<P>Collaborators include:
<UL>
<LI><A HREF="http://www.ebi.ac.uk/" TARGET=_blank>European Bioinformatics
Institute</A> (EBI)
<LI><A HREF="http://www.ncbi.nlm.nih.gov" TARGET=_blank>National Center for
Biotechnology Information</A> (NCBI)
<LI><A HREF="http://www.cbse.ucsc.edu/" TARGET=_blank>University of
California, Santa Cruz</A> (UCSC)
<LI><A HREF="http://www.sanger.ac.uk/" TARGET=_blank>Wellcome Trust Sanger
Institute</A> (WTSI)
</UL>
<H2>Methods</H2>
<P>
CDS annotations of the $organism genome were obtained from two sources:
<A HREF="http://www.ncbi.nlm.nih.gov/RefSeq/index.html" TARGET=_blank>NCBI
RefSeq</A> and a union of the gene annotations from
<A HREF="http://www.ensembl.org/" TARGET=_blank>Ensembl</A> and
<A HREF="http://vega.sanger.ac.uk/" TARGET=_blank>Vega</A>, collectively known
as <EM>Hinxton</EM>.</P>
<P>
Genes with identical CDS genomic coordinates in both sets become CCDS
candidates. The genes undergo a quality evaluation, which must be approved by
all collaborators. The following criteria are currently used to assess each
gene:
<UL>
<LI> an initiating ATG, a valid stop codon, and no in-frame stop codons
<LI> ability to be translated from the genome reference sequence without frameshifts
<LI> recognizable splicing sites
<LI> no intersection with putative pseudogene predictions
<LI> supporting transcripts and protein homology
<LI> conservation evidence with other species
</UL></P>
<P>
A unique CCDS ID is assigned to the CCDS, which links together all gene
annotations with the same CDS. CCDS gene annotations are under continuous
review, with periodic updates to this track.
</P>
<H2>Credits</H2>
<P>
This track was produced at UCSC from data downloaded from the
<A HREF="http://www.ncbi.nlm.nih.gov/CCDS/" TARGET=_blank>CCDS project</A>
web site.
</P>
<H2>References</H2>
<P>
Hubbard T, Barker D, Birney E, Cameron G, Chen Y, Clark L, Cox T, Cuff J, Curwen V, Down T, <EM>et al</EM>.
<A HREF="http://nar.oupjournals.org/cgi/content/abstract/30/1/38"
TARGET=_blank>The Ensembl genome database project</A>.
<I>Nucl. Acids Res.</I> 2002 Jan 1;30(1):38-41.</P>
<P>
Pruitt KD, Tatusova T, Maglott DR.
<A HREF="http://nar.oupjournals.org/cgi/content/full/33/suppl_1/D501"
TARGET=_blank>NCBI Reference Sequence (RefSeq): a curated non-redundant
sequence database of genomes, transcripts and proteins</A>.
<I>Nucl. Acids Res.</I> 2005 Jan 1;33(Database Issue):D501-D504.
</P>