Tags: Protein.
Sodium channel protein type 7 subunit alpha is a protein that in humans is encoded by the SCN7A gene on the chromosome specifically located at 2q21-23 chromosome site.This is on of 10 Sodium channel types and is expressed in the heart the uterus and in glial cells. Its sequence identity is 48 and it is the only sodium channel known to be completely un-blockable by TTX (tetrodotoxin)