Hello Ann,

For tracks in the Gene and Gene Predictions group, both the mRna and 
protein sequence are from the actual data source (not the reference 
genome sequence, although this is available, too). So, yes, for the 
track RefSeq Genes, the proteins come from RefSeq.

Jen

---------------------------------
Jennifer Jackson
UCSC Genome Bioinformatics Group
http://genome.ucsc.edu/

On 2/19/10 5:01 PM, Loraine, Ann wrote:
> Hello,
>
> I have a question about the Table Browser and the sequence type option for 
> sequence output.
>
> The FAQ (http://genome.ucsc.edu/goldenPath/help/hgTablesHelp.html#Sequence) 
> states:
>
> "When displaying sequence data for tracks in the Genes and Gene Predictions 
> group, you will be offered the option to view the protein sequence associated 
> with the track rather than the genomic sequence."
>
> For the RefSeq Genes track, is the protein sequence coming from your 
> translation of the genomic sequence, or are you instead just reporting the 
> protein sequence from the corresponding GenBank protein sequence record?
>
> Best,
>
> Ann Loraine
>
> ____________________
> Ann Loraine
> Associate Professor
> Department of Bioinformatics and Genomics
> University of North Carolina, Charlotte
> North Carolina Research Campus
> 600 Laureate Way
> Kannapolis, NC 28083
> 704-250-5750 (Kannapolis)
> 704-687-5451 (Charlotte)
> www.transvar.org
>
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