R222Q (p.Arg222Gln) variant of SCN4A (Nav1.4)

R222Q (p.Arg222Gln) in SCN4A (Nav1.4) is a missense change. Clinical records from ClinVar, EBI, and UniProt describe it as pathogenic/likely pathogenic in the context of not provided; Muscular channelopathy; Hyperkalemic periodic paralysis. The available variant effect predictions contribute to a CATVariant prioritization score of 0.90 / 1. The record also includes population frequency data, published literature, and structural context.

R222Q (p.Arg222Gln) variant details