Promotes the phosphorylation of AKT family members. Interacts with AKT1; AKT2 and AKT3 (PubMed:24156551). Interacts with PPP2CA and PPP1CA (PubMed:24156551). Part of a complex containing MARK4 (By similarity). Colocalizes with BTBD10 in filamentous structures. Ubiquitously expressed.