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clarification of annotation columns in dbSNP database

Hello every one. I would be very grateful if someone could help me with the following questions regarding SNPs.

I have two SNPs one in BRCA1 (rs56158747) and one in BRCA2 (rs206076).

For rs56158747 the columns [SNP to Chr is Rev], [Contig to Chr is Fwd], [Contig allele is G], [SNP to RefSeqGene is Fwd] and [SNP to mRNA is Fwd]. However these columns are different for SNP in BRCA2.

I read the help from dbSNP to understand what these columns mean but got more confused. Can someone explain them to me. Please note that BRCA1 is located in the opposite direction than the BRCA2. Thank you very much!

snp

please post the example data instead of describing the data.

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