Spinocerebellar Ataxia 31, also known as spinocerebellar ataxia type 31, is related to spinocerebellar ataxia 1 and hereditary spastic paraplegia, and has symptoms including gait ataxia An important gene associated with Spinocerebellar Ataxia 31 is BEAN1 (Brain Expressed Associated With NEDD4 1). Affiliated tissues include spinal cord and cerebellum, and related phenotypes are dysarthria and gait ataxia