NIR2 (Membrane-associated Phosphatidylinositol Transfer Protein 1, Drosophila Retinal Degeneration B Homolog, Phosphatidylinositol Transfer Protein, Membrane-associated 1, PITPnm 1, Pyk2 N-terminal Domain-interacting Receptor 2, NIR-2, PITPNM1, DRES9, PIT Antibody