– NAPG (NSF Attachment Protein Gamma, also known as gamma SNAP) is a Protein Coding gene. This gene encodes soluble NSF attachment protein gamma. The encoded protein mediates platelet exocytosis and controls the membrane fusion events of this process. NAPG is required for vesicular transport between the endoplasmic reticulum and the Golgi apparatus. NAPG belongs to the SNAP family. It is widely expressed in the brain, thyroid, and other tissues. SNAPs enable N-ethyl-maleimide-sensitive fusion protein (NSF) to bind to target membranes. NSF and SNAPs appear to be general components of the intracellular membrane fusion apparatus, and their action at specific sites of fusion must be controlled by SNAP receptors particular to the membranes being fused.