Spinocerebellar Ataxia, Autosomal Recessive 2, also known as scar2, is related to ataxia, early-onset, with oculomotor apraxia and hypoalbuminemia and spinocerebellar ataxia, autosomal recessive 3, and has symptoms including muscle spasticity, tremor and gait ataxia. An important gene associated with Spinocerebellar Ataxia, Autosomal Recessive 2 is PMPCA (Peptidase, Mitochondrial Processing Subunit Alpha). Affiliated tissues include eye and spinal cord, and related phenotypes are intellectual disability and ataxia