AIP1, Control Peptide (ARIP1, MAGI-2, ACVRIP1, KIAA0705, Atrophin-1 Interacting Protein 1, Activin Receptor Interacting p, Atrophin-1 Interacting Protein A, Activin Receptor Interacting Protein 1, Membrane Associated Guanylate Kinase 2, Likely Ortholog of Mouse Activin Receptor Interacting Protein 1)