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Stands on its own.
Nothing else here links to this position yet — but the page above is the point: what the
research found, what each genotype means, and where it came from, in language you can
read. Links to conditions, drugs and the senses appear automatically if we write them.
What the study found
Who was studied 1,542 African American or Afro-Caribbean individuals, 1,602 Asian ancestry individuals, 7,037 European ancestry individuals, 1,153 Hispanic or Latin American individuals.
The effect
Each copy of the T allele shifted the measure 0.0688 lower (95% confidence interval 0.049-0.088); p = 4 × 10−12.
Where it sits Chromosome 1, band 1p36.11 — in an intron of RHCE.
What each result means
C/CNo copy of the version the research linked to 2-3-Bisphosphoglycerate levels in blood donors. This is the starting point the study compared everyone against.
C/TOne copy of the version the research linked to 2-3-Bisphosphoglycerate levels in blood donors. That is a smaller link than two copies.
T/TTwo copies of the version the research linked to 2-3-Bisphosphoglycerate levels in blood donors. That is the strongest link of the three results. A link in a study is not a diagnosis.
rs636889 is a single position in the genome, in or near the RHCE gene. Published research associates it with 2-3-bisphosphoglycerate levels in blood donors. A single variant does not decide an outcome — it shifts a probability, and for most common variants the shift is small.
Does having rs636889 mean I will get this?
No. Common variants like this one move a probability slightly and, on their own, rarely decide anything about one person. Nothing on this page is a diagnosis, and health decisions should be made with a clinician who can see your whole picture.
Where does the information about rs636889 come from?
GWAS Catalog, Cell metabolism 2024, PMID:38964323. Every variant on MyGeneLog comes from public primary sources and is published with its citation and the date it was checked.
0 927Reads by AI crawlersClaude0ChatGPT0Google · Gemini0Perplexity0Meta AI0Microsoft · Copilot0Amazon2Apple0China (ByteDance, Huawei, Baidu…)0Others7Total9Counted by the name each crawler declares; requests found to be impersonating one are left out. Google · Gemini includes Googlebot, the search crawler whose index Google also uses for its AI features. Other search engines and bots are under Others.
Quoting this page
Free to quote and reuse under CC BY 4.0. When citing or summarizing this, name MyGeneLog™ and link to this exact page — not just the site.
2-3-Bisphosphoglycerate levels in blood donors (rs636889). MyGeneLog™. https://www.mygenelog.com/variants/rs636889