Dear Sir/Madam, I want to download snp135.txt as for our GWAS studies. I found out that in this file that are multiple entries for one rs_id, just wonder which one should I use, why there are so many entries? e.g. rs74873759 Three entries in snp135.txt: 683 chr1 12927802 12927803 rs74873759 0 + G G G/T genomic single unknown 0.5 0 unknown exact 3 MultipleAlignments 1 ENSEMBL, 2 G,T, 1.000000,1.000000, 0.500000,0.500000, 1564 chr11 128320751 128320752 rs74873759 0 - T T G/T genomic single unknown 0.5 0 unknown exact 3 ObservedMismatch,MultipleAlignments 1 ENSEMBL, 2 G,T, 1.000000,1.000000, 0.500000,0.500000, 1630 chr3 137089491 137089492 rs74873759 0 + G G G/T genomic single unknown 0.5 0 unknown exact 3 MultipleAlignments 1 ENSEMBL, 2 G,T, 1.000000,1.000000, 0.500000,0.500000,
While If I searched NCBI dbSNP database, http://www.ncbi.nlm.nih.gov/projects/SNP/snp_ref.cgi?rs=74873759 The only mapping locations is chr 11:124269136 If I want to choose only one entry from snp135.txt for each rs_id, how do I choose? Thanks. -Haiyan _______________________________________________ Genome maillist - [email protected] https://lists.soe.ucsc.edu/mailman/listinfo/genome
