NCIt definition : Human PIK3R5 wild-type allele is located in the vicinity of 17p13.1 and is approximately
87 kb in length. This allele, which encodes phosphoinositide 3-kinase regulatory subunit
5 protein, is involved in the modulation of phosphoinositide-3-kinase gamma activity.
Mutation of the gene is associated with ataxia-oculomotor apraxia 3.;