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I noticed that b127 SNPs are no longer associated with function class codes 1,2,5, and 7. Does dbSNP no longer use these function class codes?

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I noticed that b127 SNPs are no longer associated with function class codes 1,2,5, and 7. Does dbSNP no longer use these function class codes?

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10

As of build 127, function codes 1, 5 and 7 have been modified into two digit codes that will more precisely indicate the location of a SNP. The two digit codes have function codes 1, 5 or 7 as the first digit, each of these numbers keeping its original meaning, and 3 or 5 as the second digit, indicating whether the SNP is 3’ or 5’ to the region of interest. So the new function codes are as follows: Function code 13: “nearGene-3” Where: 1=locus region 3= SNP is 3’ to and 0.5kb away from gene Function code 15: “nearGene-5” Where: 1=locus region 5= SNP is 5’ to and 2kb away from gene Function code 53: “UTR-3” Where: 5= UTR (untranslated region) 3= SNP located in the 3’ untranslated region Function code 55: “UTR-5” Where: 5= UTR (untranslated region) 5(as the second digit)= SNP located in the 5’ untranslated region Function code 73: “splice-3” Where: 7=splice site 3=3’ acceptor dinucleotide Function code 75: “splice-5” Where: 7=splice site 5=5’ donor dinucleotide Function code 2, however,

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