hypoPP
In addition, several mutations (Arg669His, Arg672His, Arg672Gly and Arg672Ser) in the voltage sensor of the skeletal muscle sodium channel alpha-subunit (SCN4A gene) have been found in families with hypoPP (type II).
In addition, several mutations (Arg669His, Arg672His, Arg672Gly and Arg672Ser) in the voltage sensor of the <span class="gene" id="11912116-4-108-152">skeletal muscle sodium channel alpha-subunit</span> (<span class="gene" id="11912116-4-154-159">SCN4A</span> gene) have been found in families with <span class="disease" id="11912116-4-199-205">hypoPP</span> (type II).