rs560588447

A SNP in the KLKB1 gene on chromosome 4. Its most notable genotype is -;T: Carrier of a prekallikrein deficiency mutation

Gene
KLKB1
Location
Chr 4186,236,896 (GRCh38)
Highest magnitude
3.0Important
Tested on
23andMe

Genotypes

As shown in 23andMe and AncestryDNA files.

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

Notes

From SNPedia

Notes

Prekallikrein deficiency (recessive); aka c.451dupT This SNP is included in a curated list of mutations useful to include on an Ashkenazi Jews screening panel.

-;T

Unaffected in absence of a second KLKB1 mutation; see links via main rs-page

Source and license

Adapted from rs560588447 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.