Regulatory subunit of serine/threonine-protein phosphatase 4 (PP4). May regulate the activity of PPP4C at centrosomal microtubule organizing centers.
Subcellular locations: Cytoplasm, Cytoplasm, Cytoskeleton, Microtubule organizing center, Centrosome, Nucleus
In interphase localized in the cytoplasm and (with higher levels) the nucleus. During metaphase located in pericentriolar regions.
Moderately expressed in tissues and specific brain regions examined.