Variant: rs121434500 

    present in Gene: SNTA1
    present in Chromosome: 20
    Position on Chromosome: 33410203
    Alleles of this Variant: G/A

rs121434500 in SNTA1 gene and Long Qt Syndrome 12 PMID 18591664 2008 Syntrophin mutation associated with long QT syndrome through activation of the nNOS-SCN5A macromolecular complex.

PMID 19684871 2008 alpha-1-syntrophin mutation and the long-QT syndrome: a disease of sodium channel disruption.