A gene for autosomal dominant paroxysmal choreoathetosis/spasticity (CSE) maps to the vicinity of a potassium channel gene cluster on chromosome 1 p, probably within 2 cM between D1S443 and D1S197. - Auburger,G.; Ratzlaff,T.; Lunkes,A.; Nelles,H.W.; Leube,B.; Binkofski,F. (Genomics, 1996)