Protein
ABC transporter B family member 25, mitochondrial
Organism
Arabidopsis thaliana
Function
Performs an essential function in the generation of cytoplasmic iron-sulfur proteins by mediating export of Fe/S cluster precursors synthesized by NFS1 and other mitochondrial proteins. Not required for mitochondrial and plastid Fe-S enzymes. Probably involved in the export of cyclic pyranopterin monophosphate (cPMP) from mitochondria into the cytosol. Mediates glutathione-dependent resistance to heavy metals such as cadmium and lead, as well as their transport from roots to leaves. Regulates nonprotein thiols (NPSH) and the cellular level of glutathione (GSH).
Similarity
Belongs to the ABC transporter superfamily. ABCB family. Heavy Metal importer (TC 3.A.1.210) subfamily.
Sequence
MSRGSRFVRAPGLLLCRVNLQPQPKIPSFSYSLRSDYRLHNGFSNYIRRNSIRTSPVINAFLSDNSPSPSPSPSPIRFVQRSSMLNGRLFSTSTPNPDQTTTKTKEIKTTSSDSDSAMADMKILRTLAGYLWMRDNPEFRFRVIAALGFLVGAKVLNVQVPFLFKLAVDWLASATGTGASLTTFAATNPTLLTVFATPAAVLIGYGIARTGSSAFNELRTAVFSKVALRTIRSVSRKVFSHLHDLDLRYHLSRETGGLNRIIDRGSRAINFILSAMVFNVVPTILEISMVSGILAYKFGAAFAWITSLSVGSYIVFTLAVTQWRTKFRKAMNKADNDASTRAIDSLINYETVKYFNNEGYEAEKYDQFLKKYEDAALQTQRSLAFLNFGQSIIFSTALSTAMVLCSQGIMNGQMTVGDLVMVNGLLFQLSLPLNFLGSVYRETIQSLVDMKSMFQLLEEKSDITNTSDAKPLVLKGGNIEFENVHFSYLPERKILDGISFVVPAGKSVAIVGTSGSGKSTILRMLFRFFDTDSGNIRIDGQDIKEVRLDSLRSSIGVVPQDTVLFNDTIFHNIHYGRLSATEEEVYEAARRAAIHETISNFPDKYSTIVGERGLKLSGGEKQRVALARTFLKSPAILLCDEATSALDSTTEAEILNALKALASNRTSIFIAHRLTTAMQCDEIVVLENGKVVEQGPHDELLGKSGRYAQLWTQQNSSVDMLDAAIKLE