The function of SLC25A39 (solute carrier family 25 member 39, ENSG00000013306) is as follows. Mitochondrial transporter required for glutathione import into mitochondria (PubMed:34707288, PubMed:35513392, PubMed:37917749, PubMed:38157846). Glutathione, which plays key roles in oxidative metabolism, is produced exclusively in the cytosol and is imported in many organelles (PubMed:34707288). Mitochondrial glutathione is required for the activity and stability of proteins containing iron- sulfur clusters, as well as erythropoiesis (PubMed:34707288). {ECO:0000269|PubMed:34707288, ECO:0000269|PubMed:35513392, ECO:0000269|PubMed:37917749, ECO:0000269|PubMed:38157846}.