rs863224484

A SNP in the PTCH1 gene on chromosome 9. Its most notable genotype is -;C: Possible miscall in 23andMe and Ancestry data; otherwise, Basal cell nevus syndrome

Gene
PTCH1
Location
Chr 995,459,688 (GRCh38)
Highest magnitude
5.3Very important
Tested on
23andMe, AncestryDNA

Genotypes

Plus strand, as in 23andMe and AncestryDNA files.

SNPedia records rs863224484 on the minus strand: (-;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.2601delG (and due to alternative numbering, also c.2346delG, c.2601delG, c.2643delG, c.2796delG, and c.2799delG)

Source and license

Adapted from rs863224484 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.