Ataxia-Oculomotor Apraxia 3, also known as ataxia with oculomotor apraxia type 3, is related to ataxia-telangiectasia and oculomotor apraxia, and has symptoms including ataxia An important gene associated with Ataxia-Oculomotor Apraxia 3 is PIK3R5 (Phosphoinositide-3-Kinase Regulatory Subunit 5), and among its related pathways/superpathways is DNA-PK pathway in nonhomologous end joining. Affiliated tissues include eye, and related phenotypes are ataxia and dysarthria