M1592I (p.Met1592Ile) variant of SCN4A (Nav1.4)

M1592I (p.Met1592Ile) 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 Potassium-aggravated myotonia; Hyperkalemic periodic paralysis; Paramyotonia con. The available variant effect predictions contribute to a CATVariant prioritization score of 0.93 / 1. The record also includes published literature and structural context.

M1592I (p.Met1592Ile) variant details