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rs20455, often called Arg719 or 719Arg, is a reasonably well studied SNP in the KIF6 gene. The risk allele (encoding the arginine at position 719) is rs20455(C). An extensive 2010 meta-analysis, including over 17,000 patients, suggests this variant does not significantly influence coronary artery disease risk. This SNP is one of the 5 used by Celera's genetic risk score (GRS) for coronary heart disease (CHD). *rs20455, in the KIF6 gene *rs3900940, in the MYH15 gene *rs7439293, in the PALLD gene *rs2298566, in the SNX19 gene *rs1010, in the VAMP8 gene For each of the five variants, the GRS was increased by 1 if the subject was homozygous for the risk variant, unchanged if heterozygous, and decreased by 1 if the individual did not carry the variant. Therefore, individuals carrying all 10 pos...