Voltage-Gated Sodium Channel beta-4 Subunit

**Definition:** A voltage-gated sodium channel beta subunit subtype that covalently associates with voltage-gated alpha subunits. Defects in the SCN4B gene, which codes for this beta subunit, are associated with long QT syndrome-10.

**Tree numbers:** - D12.776.157.530.400.875.750.960.650 - D12.776.543.550.450.875.750.970.400 - D12.776.543.585.400.875.750.970.650 - D12.776.631.960.970.650

**Synonyms:** - SCN4B Sodium Channel beta Subunit