function:May play a role in vesicular transport from endoplasmic reticulum to Golgi.,similarity:Belongs to the TRAPP small subunits family. BET3 subfamily.,subunit:Part of the multisubunit TRAPP (transport protein particle) complex. Homodimer. Heterodimer with TRAPPC3.,
Golgi apparatus, cis-Golgi network . Endoplasmic reticulum .
Both isoforms are expressed ubiquitously (at transcript level), isoform 1 being the most predominant (PubMed:28626029). Expressed in the fetal brain and different regions of the adult brain and spinal cord (PubMed:28626029).