rs9864422
A SNP in the COL6A4P1 gene on chromosome 3. Its most notable genotype is C;C: normal
- Gene
- COL6A4P1
- Location
- Chr 315,185,745 (GRCh38)
- Highest magnitude
- 0.0Typical
- Tested on
- Not on consumer chips
- Minor allele frequency
- 25%
Genotypes
As shown in 23andMe and AncestryDNA files.
- C;CMost notableGoodnormal
- C;TNot rated1.45x increased osteoarthritis risk
- T;TNot rated1.45x increased osteoarthritis risk
On SNPedia: (C;C), (C;T), (T;T). Magnitude rates how notable a genotype is from 0 to 10, not how risky it is.
Frequency
Share of each genotype in 11 HapMap populations.
- AverageC;C 55% C;T 38% T;T 7%
- European ancestry (Utah)C;C 72% C;T 26% T;T 3%
- Han Chinese (Beijing)C;C 31% C;T 50% T;T 20%
- Japanese (Tokyo)C;C 38% C;T 52% T;T 10%
- Yoruba (Nigeria)C;C 70% C;T 26% T;T 4%
- African ancestry (Southwest US)C;C 51% C;T 46% T;T 4%
- Chinese (Denver)C;C 32% C;T 46% T;T 22%
- Gujarati IndianC;C 45% C;T 48% T;T 7%
- Luhya (Kenya)C;C 58% C;T 37% T;T 6%
- Mexican ancestry (Los Angeles)C;C 60% C;T 36% T;T 3%
- Maasai (Kenya)C;C 70% C;T 28% T;T 3%
- TuscanC;C 80% C;T 20% T;T 0%
Related
Conditions, medicines and genes
Notes
From SNPedia
Notes
rs9864422 is one of several SNPs in the DVWA gene found to be associated with osteoarthritis based on a study of several Japanese patient populations. The allelic odds ratio is 1.45 (CI: 1.27-1.66, p = 3.4 x 10e-8) for the minor allele, which is the (T) allele (in dbSNP orientation).
Source and license
Adapted from rs9864422 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.