TSPO: Responsible for the manifestation of peripheral-type benzodiazepine recognition sites and is most likely to comprise binding domains for benzodiazepines and isoquinoline carboxamides. May play a role in the transport of porphyrins and heme. Plays a role in the transport of cholesterol across mitochondrial membranes in steroidogenic cells. Belongs to the TspO/BZRP family. Interacts with BZRAP1. May interact with STAR. Interacts with MOST-1. 2 isoforms of the human protein are produced by alternative splicing.
Protein type: Membrane protein, integral; Membrane protein, multi-pass; Mitochondrial; Apoptosis; Receptor, misc.
Chromosomal Location of Human Ortholog: 22q13.31
Cellular Component: mitochondrial outer membrane; nuclear membrane; intracellular membrane-bound organelle; mitochondrion; cytoplasm; integral to membrane
Molecular Function: androgen binding; benzodiazepine receptor activity; cholesterol binding
Biological Process: steroid metabolic process; apoptosis; positive regulation of apoptosis; regulation of steroid biosynthetic process; axon regeneration in the peripheral nervous system; anion transport; response to vitamin B1; synaptic transmission; behavioral response to pain; positive regulation of mitochondrial depolarization; protein targeting to mitochondrion; aging; response to drug; adrenal gland development; negative regulation of nitric oxide biosynthetic process; chloride transport; response to testosterone stimulus; negative regulation of tumor necrosis factor production; lipid transport; glial cell migration; response to manganese ion; cell proliferation; response to progesterone stimulus; positive regulation of calcium ion transport; regulation of cholesterol transport; steroid biosynthetic process; heme biosynthetic process
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