rs202193201

A SNP in the FAM161A gene on chromosome 2. Its most notable genotype is A;G: Carrier of a retinitis pigmentosa 28 mutation

Gene
FAM161A
Location
Chr 261,839,437 (GRCh38)
Highest magnitude
3.0Important
Tested on
AncestryDNA
Minor allele frequency
<1%

Genotypes

As shown in 23andMe and AncestryDNA files.

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

Notes

From SNPedia

Notes

aka c.1567C>T (p.Arg523Ter or R523X); note though that this SNP is multiallelic, and both c.1567C>A and c.1567C>G are known as well. However, these latter two are not considered pathogenic.

A;G

Unaffected in absence of a second FAM161A gene mutation

Source and license

Adapted from rs202193201 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.