RUBCN and autosomal recessive spinocerebellar ataxia 15: Homozygous frameshift mutation in RUBCN (Synonym: KIAA0226), known to result in endolysosomal machinery defects, has previously been reported in a single Saudi family with autosomal recessive spinocerebellar ataxia (Salih ataxia, SCAR15, OMIM # 615705) [1, 2].