Figure 2From: Genetic characterization of Spinocerebellar ataxia 1 in a South Indian cohort CAG repeats distribution and analysis of CAT interruptions in ATXN1 gene. (a) Distribution of CAG repeats in normal and expanded SCA1 alleles at the ATXN1 locus. (b) PCR products of ATXN1 gene before (U; undigested) and after (D, digested) digestion with SfaN1 in the pre-symptomatic individuals I5, O2, O27 and J2. PC denotes positive control.Back to article page