rs55883237

A SNP in the OBSCN gene on chromosome 1. Its most notable genotype is C;G: Left ventricular noncompaction possible (likely?)

Gene
OBSCN
Location
Chr 1228,374,584 (GRCh38)
Highest magnitude
5.0Very important
Tested on
Not on consumer chips

Genotypes

As shown in 23andMe and AncestryDNA files.

  1. C;GMost notableBadLeft ventricular noncompaction possible (likely?)Very important · 5.0
  2. G;GGoodcommon/normalTypical · 0.0

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

Other OBSCN SNPs

All OBSCN SNPs

Notes

From SNPedia

Notes

The rare minor allele of this OBSCN SNP is reported in to be a variant leading to left ventricular noncompaction, acting in a dominant manner (i.e. in heterozygotes).

C;G

See rs55883237 for more information about the link between to this form of cardiomyopathy.

Source and license

Adapted from rs55883237 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.