rs62644503

A SNP in the PAH gene on chromosome 12. Its most notable genotype is C;T: Carrier of a phenylketonuria mutation

Gene
PAH
Location
Chr 12102,852,902 (GRCh38)
Highest magnitude
3.0Important
Tested on
AncestryDNA

Genotypes

Plus strand, as in 23andMe and AncestryDNA files.

SNPedia records rs62644503 on the minus strand: (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

aka c.755G>A (p.Arg252Gln) FTDNA & MyHeritage name: VG12S8424

C;T

Phenylketonuria mutation carrier; unaffected unless a second PKU mutation is present.

Source and license

Adapted from rs62644503 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.