A second paroxysmal kinesigenic choreoathetosis locus (EKD2) mapping on 16 q13-q22. 1 indicates a family of genes which give rise to paroxysmal disorders on human chromosome 16. - Valente,E.M.; Spacey,S.D.; Wali,G.M.; Bhatia,K.P.; Dixon,P.H.; Wood,N.W. (Brain, 2000)