. . . . "Homodimer. Interacts with MDM4 (phosphorylated); negatively regulates MDM4 activity toward TP53. Interacts with RAF1, SSH1 and CRTC2/TORC2. Interacts with ABL1 (phosphorylated form); the interaction retains it in the cytoplasm. Interacts with GAB2 and SAMSN1 (By similarity). Interacts with PKA-phosphorylated AANAT." .