rs391300

A SNP in the SRR gene on chromosome 17. Its most notable genotype is T;T: 1.86x risk for gestational diabetes

Gene
SRR
Location
Chr 172,312,964 (GRCh38)
Highest magnitude
0.0Typical
Tested on
23andMe, AncestryDNA
Minor allele frequency
38%

Genotypes

Plus strand, as in 23andMe and AncestryDNA files.

  1. T;TMost notableBad1.86x risk for gestational diabetesTypical · 0.019% of people
  2. C;TNot rated1x risk for gestational diabetesTypical · 0.047% of people
  3. C;CGoodnormalTypical · 0.034% of people

SNPedia records rs391300 on the minus strand: (A;A), (A;G), (G;G). 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.

  • AverageT;T 19% C;T 47% C;C 34%
  • European ancestry (Utah)T;T 13% C;T 47% C;C 40%
  • Han Chinese (Beijing)T;T 6% C;T 38% C;C 57%
  • Japanese (Tokyo)T;T 5% C;T 35% C;C 61%
  • Yoruba (Nigeria)T;T 32% C;T 52% C;C 16%
  • African ancestry (Southwest US)T;T 19% C;T 60% C;C 21%
  • Chinese (Denver)T;T 18% C;T 46% C;C 36%
  • Gujarati IndianT;T 25% C;T 54% C;C 22%
  • Luhya (Kenya)T;T 30% C;T 49% C;C 21%
  • Mexican ancestry (Los Angeles)T;T 9% C;T 45% C;C 47%
  • Maasai (Kenya)T;T 32% C;T 48% C;C 20%
  • TuscanT;T 22% C;T 49% C;C 30%

Source and license

Adapted from rs391300 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.