rs55819880
A SNP in the SERPINA1 gene on chromosome 14. Its most notable genotype is A;G: carrier for Alpha-1 Antitrypsin Deficiency
- Gene
- SERPINA1
- Location
- Chr 1494,383,008 (GRCh38)
- Highest magnitude
- 3.0Important
- Tested on
- 23andMe, AncestryDNA
Genotypes
Plus strand, as in 23andMe and AncestryDNA files.
- G;GGoodcommon in clinvar
- A;GMost notableBadcarrier for Alpha-1 Antitrypsin Deficiency
- C;CGoodcommon in complete genomics
SNPedia records rs55819880 on the minus strand: (C;C), (C;T), (G;G). Magnitude rates how notable a genotype is from 0 to 10, not how risky it is.
Related
Other SERPINA1 SNPs
- rs28929474T;TAlpha-1 Antitrypsin DeficiencyVery important
- rs121912713A;CBleeding disorder likelyVery important
- rs267606950-;-Alpha1-anti-trypsin deficient homozygote; emphysema possibleVery important
- rs28931568T;Thigh risk of emphysema due to Alpha 1-Antitrypsin DeficiencyVery important
- rs28931569G;Ghigh risk of emphysemaVery important
- rs61761869A;APossible Alpha-1 Antrypsin deficiency genotypeImportant
- rs11558261C;Tcarrier for Alpha-1 Antitrypsin DeficiencyImportant
- rs28929472A;ANo summary available.Important
Notes
From SNPedia
Notes
A;G
1 copy of a rare Alpha-1 Antitrypsin Deficiency null allele; likely to be unaffected unless also carrying another null variant.
Source and license
Adapted from rs55819880 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.