[Genome] ID composition

[Kayla Smith]

Hello Lucia,

There is no meaning behind the naming scheme of the UCSC genes.  The
suffixes you mention are not significant, other than in general they're
labeled as the first gene on chr1 is "uc001aaa.1" and the last gene on
chrY is "uc004fxp.1".

Here is a link to the details page for the UCSC Genes description page:
http://genome.ucsc.edu/cgi-bin/hgTrackUi?g=knownGene

I hope this is helpful to you.  Please don't hesitate to contact us 
again if you require further assistance.

Kayla Smith
UCSC Genome Bioinformatics Group





morales at mpi-cbg.de wrote:
> Dear help,
> 
> Could you explain me the meaning of the the three letters present before
> before the dot in the UCSC genes ID (uc001ppp.1, uc001ppq.1, the ppp or
> the ppq in those examples). Is the last letter indicating something about
> the alternative spliced variants and if so, which is the order for
> assigning them?
> 
> Thank you in advance,
> 
> Lucia Morales
> MPI-CBG Dresden
> 
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