SCN4A(redirected from Na(V)1.4)
SCN4AA gene on chromosome 17q23.3 that encodes an alpha subunit of a transmembrane glycoprotein complex, which forms a voltage-gated sodium channel. The SCN4A protein product is expressed in skeletal muscle.
SCN4A mutations are linked to various myotonic and periodic paralysis disorders.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.