Systemwide effects of ER intracellular membrane contact site disturbance in primary endothelial cells ScienceDirect VAPA Antibody What the VAP: The Expanded VAP Family of Proteins Interacting With FFAT and FFAT Related Motifs for Interorganellar Contact Jacques Neefjes, Birol Cabukusta, 2021 Frontiers VAP Proteins From Organelle Tethers to Pathogenic Host Interactors and Their Role in Neuronal Disease RCSB PDB 1Z9L: 1.7 Angstrom Crystal Structure of the Rat VAP A MSP Homology Domain