rs398122973

A SNP in the ASNS gene on chromosome 7. Its most notable genotype is A;C: Carrier of an asparagine synthetase deficiency (ASNSD) mutation

Gene
ASNS
Location
Chr 797,855,406 (GRCh38)
Highest magnitude
3.0Important
Tested on
AncestryDNA

Genotypes

Plus strand, as in 23andMe and AncestryDNA files.

SNPedia records rs398122973 on the minus strand: (G;T), (T;T). Magnitude rates how notable a genotype is from 0 to 10, not how risky it is.

Notes

From SNPedia

Notes

aka c.1084T>G (p.Phe362Val or F362V)

A;C

Unaffected in absence of a second ASNS gene mutation

Source and license

Adapted from rs398122973 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.