Familial hemiplegic migraine and episodic ataxia type-2 are caused by mutations in the Ca2+ channel gene CACNLA4. - Ophoff,R.A.; Terwindt,G.M.; Vergouwe,M.N.; Eijk,R.V.; Oefner,P.J.; Hoffman,S.MG.; Lamerdin,J.E.; Mohrenweiser,H.W.; Bulman,D.E.; Ferrari,M.; Haan,J.; Lindhout,D.; et al. (Cell, 1996)