N440K (p.Asn440Lys) variant of SCN4A (Nav1.4)

N440K (p.Asn440Lys) in SCN4A (Nav1.4) is a missense change. Clinical records from ClinVar, EBI, and UniProt describe it as pathogenic in the context of Hyperkalemic periodic paralysis. The available variant effect predictions contribute to a CATVariant prioritization score of 0.88 / 1. The record also includes published literature and structural context.

N440K (p.Asn440Lys) variant details