rs139526942

A SNP in the NAGPA gene on chromosome 16. Its most notable genotype is A;A: possible association with stuttering

Gene
NAGPA
Location
Chr 165,028,124 (GRCh38)
Highest magnitude
2.9Worth knowing
Tested on
23andMe, AncestryDNA

Genotypes

As shown in 23andMe and AncestryDNA files.

  1. A;AMost notableBadpossible association with stutteringWorth knowing · 2.9
  2. A;GBadpossible association with stutteringWorth knowing · 2.9
  3. G;GGoodcommon/normalTypical · 0.0

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

Conditions, medicines and genes

Notes

From SNPedia

Notes

rs139526942, also known as c.982C>T, Arg328Cys or R328C, is a variant in the NAGPA gene on chromosome 16. The minor (A) allele of rs139526942 was reported as a mutation in the NAGPA gene associated with stuttering in a 2010 study.

A;A

see rs139526942

A;G

see rs139526942

Source and license

Adapted from rs139526942 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.