Hi Sean,

 > which fasta file does this point to?

/gbdb/hg19/snp/snp135.fa

(Beware, it is a 29G uncompressed file.)


 >are line returns included in the byte offset count, or should this be 
interpreted as an offset of number of sequence characters into the 
chromosome sequence?

They are byte offsets into snp135.fa which contains the flanking 
sequences for each SNP.


Please let us know if you have any additional questions: [email protected]

-
Greg Roe
UCSC Genome Bioinformatics Group



On 4/1/12 2:33 PM, Sean O'Connor wrote:
> Dear Sirs,
>
> I have a newbie-level quick question -- I'm looking at the table
> "snp135Seq", under the track "All SNPs (135)" in "Variation and Repeats".
> This table gives the rs number of the SNP, and a byte offset of the
> sequence in a fasta file.  Apologies in advance for the simple question but:
>
> -- which fasta file does this point to?
>
> -- are line returns included in the byte offset count, or should this be
> interpreted as an offset of number of sequence characters into the
> chromosome sequence?
>
> Thank you!
>
> -- Sean O'C
> _______________________________________________
> Genome maillist  -  [email protected]
> https://lists.soe.ucsc.edu/mailman/listinfo/genome
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