Mediates the transfer of lipids between membranes at organelle contact sites (By similarity). Necessary for proper mitochondrial function and maintenance of mitochondrial transmembrane potential . Involved in the regulation of PINK1/PRKN-mediated mitophagy in response to mitochondrial depolarization .
Mitochondrion outer membrane . Lipid droplet . Endoplasmic reticulum membrane . Lysosome membrane . Late endosome membrane . May localize to endoplasmic reticulum-endolysosome contact sites. .
Widely expressed.
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