{{Genotype
|rsid=16990018
|allele1=A
|allele2=G
|magnitude=1
|repute=
|summary=PrP 171 N/S Heterozygote - Unknown significance
}}

This SNP indicates heterozygosity at Codon 171 of the Prion Protein. This SNP was recently determined to be more common than expected in healthy controls {{PMID|20583301}} and so is now believed to be non-pathogenic.