Involved in coupling signal transduction and vesicle trafficking to enable polarized secretion and/or membrane deposition of immune effector molecules (By similarity). Involved in phagophore growth during mitophagy by regulating ATG9A trafficking to mitochondria .
Subcellular locations: Cell membrane, Endoplasmic reticulum membrane, Golgi apparatus, Trans-Golgi network membrane, Lysosome membrane
Ubiquitous.