Plays a key role in steroid hormone synthesis by enhancing the metabolism of cholesterol into pregnenolone. Mediates the transfer of cholesterol from the outer mitochondrial membrane to the inner mitochondrial membrane where it is cleaved to pregnenolone. May interact with TSPO. Expressed in gonads, adrenal cortex and kidney. Note: This description may include information from UniProtKB.
Protein type: Carrier; Lipid-binding; Mitochondrial