Hello,

My earlier mails egarding lift over were cleared well. Now i have a doubt
regarding SNP table from UCSC

My data,its a methylation data and i need to check if the methylation is
just an SNP or not , is positioned in this way-  For e.g.
hg18mapinfo       strand
 100532397                top
  149364056               bot
   23982732                bot
  53478180                bot




the snp data which i retrieved as you knwo will have following col
hg18start(chrom start)      hg18end(chrom end)      (and a few other col
...which is not relevant right now)

100532397                            100532398
1493640565                             149364056
      23982731                                     23982732
53478180                                 53478180


whien i map between these two tables..as I told you i need to check for
SNPs in my methylation data, I get is

hg18start(chrom start)      hg18end(chrom end)            hg18mapinfo
strand
100532397                            100532398
100532397                top
  1493640565                             149364056
149364056               bot
      23982731                                     23982732
 23982732
               bot
53478180                                 53478181
 53478180
               bot

As you can see mapping is done in between start and end posiitons this is
causing me confusion , what should i understand from this, I need all the
positions that has C , but when it maps like this with start or end, I dont
understand.and i dont know how to assign the remaining coloumns.
The basic doubt is , isnt there an SNP table with just one location for one
base pair, because these two start and end correspond to two different base
pairs in actual gene.

Thanks,
Monitha
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