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scn4b

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Official Full Name
sodium channel, voltage-gated, type IV, beta subunit
Background
The protein encoded by this gene is one of several sodium channel beta subunits. These subunits interact with voltage-gated alpha subunits to change sodium channel kinetics. The encoded transmembrane protein forms interchain disulfide bonds with SCN2A. Defects in this gene are a cause of long QT syndrome type 10 (LQT10). Three protein-coding and one non-coding transcript variant have been found for this gene.[provided by RefSeq, Mar 2009]
Synonyms
SCN4B; sodium channel, voltage-gated, type IV, beta subunit; LQT10; Navbeta4; sodium channel subunit beta-4