rs386834234

A SNP in the BCKDHB gene on chromosome 6. Its most notable genotype is T;T: Maple Syrup Urine Disease Type 1B

Gene
BCKDHB
Location
Chr 680,343,739 (GRCh38)
Highest magnitude
5.0Very important
Tested on
AncestryDNA

Genotypes

As shown in 23andMe and AncestryDNA files.

  1. G;GGoodcommon in clinvarTypical · 0.0
  2. G;TBadMaple Syrup Urine Disease Type 1B carrierImportant · 3.0
  3. T;TMost notableBadMaple Syrup Urine Disease Type 1BVery important · 5.0

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

Other BCKDHB SNPs

All BCKDHB SNPs

Source and license

Adapted from rs386834234 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.