rs12467557

A SNP in the NRXN1 gene on chromosome 2. Its most notable genotype is A;A: common in complete genomics

Gene
NRXN1
Location
Chr 251,015,132 (GRCh38)
Highest magnitude
0.0Typical
Tested on
23andMe, FamilyTreeDNA
Minor allele frequency
19%

Genotypes

As shown in 23andMe and AncestryDNA files.

  1. A;AMost notableGoodcommon in complete genomicsTypical · 0.064% of people

On SNPedia: (A;A). Magnitude rates how notable a genotype is from 0 to 10, not how risky it is.

Frequency

Share of each genotype in 4 HapMap populations.

  • AverageA;A 64%
  • European ancestry (Utah)A;A 91%
  • Han Chinese (Beijing)A;A 42%
  • Japanese (Tokyo)A;A 42%
  • Yoruba (Nigeria)A;A 81%

Notes

From SNPedia

Notes

rs12467557 increases susceptibility to Substance dependence, Nicotine 1.81 times for carriers of the C allele

Source and license

Adapted from rs12467557 on SNPedia, using a snapshot taken October 16, 2026. SNPedia content is shared under CC BY-NC-SA 3.0 US, and this page is shared under the same license.

SNPedia is a community-edited wiki. Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice. Magnitude is a community rating of how interesting a genotype is, not a risk score.