SCN7A
Encyclopedia
Sodium channel protein type 7 subunit alpha is a protein
Protein
Proteins are biochemical compounds consisting of one or more polypeptides typically folded into a globular or fibrous form, facilitating a biological function. A polypeptide is a single linear polymer chain of amino acids bonded together by peptide bonds between the carboxyl and amino groups of...

 that in humans is encoded by the SCN7A gene
Gene
A gene is a molecular unit of heredity of a living organism. It is a name given to some stretches of DNA and RNA that code for a type of protein or for an RNA chain that has a function in the organism. Living beings depend on genes, as they specify all proteins and functional RNA chains...

.

See also

  • Sodium channel

Scn7a is the name of the gene that encodes to a membrane protein, in particular a Sodium Channel Nax (also known as NaG, Nav2.1, etc.) It belongs to a family of Sodium Channel known as Voltage-Gated, but is not activated by changes in the membrane's voltage, as happen usually in the members of this family (Nav1.1 to Nav1.9); it activates by changes in the extracellular concentration of sodium [~150 mM].
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