rs121907950

A SNP in the SERPING1 gene on chromosome 11. Its most notable genotype is C;T: Partial deficiency of complement component 4

Gene
SERPING1
Location
Chr 1157,614,472 (GRCh38)
Highest magnitude
4.1Very important
Tested on
AncestryDNA

Genotypes

As shown in 23andMe and AncestryDNA files.

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

Notes

From SNPedia

Notes

NM_000062.2(SERPING1):c.1394C>T (p.Ala465Val) 23andMe name: i5000466

C;T

See OMIM for details

Source and license

Adapted from rs121907950 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.