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Catalyzes the export of an unknown physiological substrate from the mitochondrial matrix to the cytosol in an ATP-dependent manner. May also transport the heme analog Zn (II) mesoporphyrin (ZnMP) in an ATP dependent manner but can't export the heme precursor 5-aminolevulinic acid (ALA) from mitochondria. Plays a role in the early step of the heme biosynthetic process during insertion of iron into protoporphyrin IX (PPIX). In turn participates in hemoglobin synthesis and also protects against oxidative stress. In addition may be involved in mitochondrial unfolded protein response (UPRmt) signaling pathway, although ABCB10 probably does not participate in peptide export from mitochondria.
Gene References into Functions
Data suggest that ABCB10 silencing results in alteration in heme biosynthesis transcriptional profile due to repression by transcriptional regulator BACH1. (ABCB10 = ATP-binding cassette, sub-family B [MDR-TAP], member 10; BACH1 = BTB and CNC homology 1, basic leucine zipper transcription factor 1) PMID: 28808058
ABCB10 is involved in unfolded protein response signaling pathway, although it probably does not participate in peptide export from mitochondria. PMID: 28315685
ABCB10 is required for primitive erythropoiesis and to protect from oxidative stress associated with cardiac ischemia-reperfusion in mice. Antioxidants can rescue the defects associated with ABCB10 loss-of-function in mice. PMID: 22884976
ABCB10 is not a heme exporter but is required for the early mitochondrial steps of heme biosynthesis. PMID: 23720443
Data indicate that ABCB10 may exist in an open-inwards conformation when nucleotide is bound. PMID: 23716676
Human mitochondrial ATP-binding cassette transporter ABCB10 is required for efficient red blood cell development. PMID: 22085049
study of ABCB10 targeting, import, and dimerization PMID: 15215243
Ubiquitous. Highly expressed in bone marrow, expressed at intermediate to high levels in skeletal muscle, small intestine, thyroid, heart, brain, placenta, liver, pancreas, prostate, testis, ovary, leukocyte, stomach, spinal cord, lymph node, trachea and