Possesses ATPase activity (By similarity). Plays a part in calcium-regulated keratinocyte activation in epidermal repair mechanisms. Has no effect on cell proliferation. Negatively regulates mitochondrial fusion in cooperation with mitofusin proteins (MFN1-2).
Subcellular locations: Cytoplasm, Mitochondrion outer membrane
The majority is localized in the cytoplasm and a small amount is associated with mitochondria.
Expressed in brain. Also expressed in glioblastoma cells.