rs16859834

A SNP in the GABRA4 gene on chromosome 4. Its most notable genotype is G;G.

Gene
GABRA4
Location
Chr 446,993,349 (GRCh38)
Highest magnitude
0.0Typical
Tested on
Not on consumer chips

Genotypes

Plus strand, as in 23andMe and AncestryDNA files.

  1. G;GMost notableNot ratedNo summary available.Typical · 0.047% of people

SNPedia records rs16859834 on the minus strand: (C;C). 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.

  • AverageG;G 47%
  • European ancestry (Utah)G;G 48%
  • Han Chinese (Beijing)G;G 37%
  • Japanese (Tokyo)G;G 42%
  • Yoruba (Nigeria)G;G 61%

Conditions, medicines and genes

Notes

From SNPedia

Notes

1050 nicotine-dependent cases and 879 non-dependent smoking controls rs279858 and rs16859834 aka rs2229940

Source and license

Adapted from rs16859834 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.