Autosomal dominant cerebellar ataxia (SCA6) associated with small polyglutamine expansions in the alpha 1A-voltage-dependent calcium channel. - Zhuchenko,O.; Bailey,J.; Bonnen,P.; Ashizawa,T.; Stockton,D.W.; Amos,C.; Dobyns,W.B.; Subramony,S.H.; Zoghbi,H.Y.; Lee,C.C. (Nat Genet, 1997)