gravatar for petar.v.todorov

3 hours ago by


I'm attempting to map some rsids to chromosome and position on hg19 via biomart. I've run into several cases where a single SNP will return multiple entries for chromosome and position.

refsnp_id   chr_name      chrom_start   chrom_end
rs2950012   17            43667365  43667365
rs2950012   HG1146_PATCH  43777997  43777997
rs2950012   HSCHR17_1     44585673  44585673

As per a prior post, I noticed that the patches can be assigned to a particular chromosome. I'm curious which is the correct out of the three and should be retained in a situation like this - the patch, or the one mapped to chr 17?


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