Endoplasmic reticulum-anchored receptor which modulates interorganelle contacts by interacting with other organelle-bound proteins via their FFAT motif (PubMed:
29858488). Might have a more important role in endoplasmic reticulum and endosomes contacts (PubMed:
29858488). Promotes migration of primary monocytes and neutrophils, in response to various chemokines (PubMed:
28137892).