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KCNQ3 is a gene that codes for a protein with two isoforms, measuring 872 and 752 amino acids in length, with weights of approximately 97 and 85 kDa respectively. KCNQ3 is thought to be important in the regulation of neuronal excitability. Current studies are being done one several diseases and disorders linked to this gene including convulsions, myokymia with neonatal epilepsy, juvenile myoclonic epilepsy, generalized epilepsy, benign neonatal seizures, neuronitis, migraine, pharyngitis, and ataxia. KCNQ3 has also been shown to have interactions with CALM1, CALM2, CALM3, KCNQ4, and KCNQ2 in pathways such as the synaptic transmission-ion currents, L1CAM interactions, potassium channels, and celecoxib pathways.
