Hi,
How could I efficiently construct a PLINK map file from scratch using a
large list of SNP IDs?
Unfortunately I don't have the original map file for our data.

I've tried the batch search option at the NCBI SNP DB but the output files
are not so practical to use.
I've also tried to annotate the list from within WGAviewer, which works well
for a small list of SNPs, but for several hundred thousands will take for
ever.


I need four columns, chromosome - rs number - genetic distance ("0" for my
purpose) - NT position

Any suggestions will be appreciated,

Fabio

-- 
Fabio Sánchez, MD, MSc, PhD
Unit of Dermatology and Venereology
Department of Medicine
Karolinska Institute
SE-17176 Karolinska University Hospital
Phone: +46 8 51772158
Fax: +46 8 51773620

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