Osh Proteins Regulate Phosphoinositide Metabolism at ER Plasma Membrane Contact Sites: Cell Nanoscale architecture of a VAP A OSBP tethering complex at membrane contact sites Nature Communications A genetic screen to uncover mechanisms underlying lipid transfer protein function at membrane contact sites Life Science Alliance Frontiers Vascular adhesion protein 1 in giant cell arteritis and polymyalgia rheumatica VAPA Gene GeneCards VAPA Protein VAPA Antibody Kv2 potassium channels form endoplasmic reticulum plasma membrane junctions via interaction with VAPA and VAPB PNAS