Major helicase player in mitochondrial RNA metabolism. Component of the mitochondrial degradosome (mtEXO) complex, that degrades 3' overhang double-stranded RNA with a 3'-to-5' directionality in an ATP-dependent manner. ATPase and ATP-dependent multisubstrate helicase, able to unwind double-stranded (ds) DNA and RNA, and RNA/DNA heteroduplexes in the 5'-to-3' direction. Plays a role in the RNA surveillance system in mitochondria; regulates the stability of mature mRNAs, the removal of aberrantly formed mRNAs and the rapid degradation of non coding processing intermediates. Also implicated in recombination and chromatin maintenance pathways. May protect cells from apoptosis. Associates with mitochondrial DNA (By similarity).

Belongs to the helicase family.

763 amino acids

MSVNRCIYLLSRSHIRYRVCASTNLSTVSTLSTTQHSTRRTFDKLSTRHSSSGSSRPLDTSLFIPLPVKTDEDAEGSVGAELTKPLDKNELLKVLNRFYKRKEMQKLASDQGLDARLFHQAFVSFRKYVLEMNSLNADLHIILNDICCGAGHIDDIFPYFMRHAKQIFPMLDCIDDLRKISDLRVPANWYPEARAIQRKIVFHAGPTNSGKTYHAIKRYLEAKSGVYCGPLKLLAHEIYEKSNAAGVPCDLVTGEERIFVDPEGKPSGHIASTIEMCSVTTPYEVAVIDEIQMIKDPARGWAWTRALLGLCAEEIHVCGEAAAVDFITELMFTTGEEVEVHNYKRLTPFSISNHAVESLDNLKPGDCIVCFSKNDIYSISRQIEIRGLECAVIYGSLPPGTKLAQAKKFNDPDDPCKILVATDAIGMGLNLSIRRIIFNSLVKHSLNEKGEKEVDTISTSQALQIAGRAGRFSSVFKEGEVTTMHRDDLPVLKEILGKPVDPIATAGLHPTAEQIEMFAYHLPQATLSNLIDIFVSLSQVDGLYFVCNIDDFKFLADMIQHIPLNLRSRYVFCTAPINKKQPFVCTSFLKFARQFSRDEPLTFNWVCRQVNWPLSPPKNIKDLVHLEAVHDVLDLYLWLSYRFMDMFPDSNQIREIQKELDENIQIGVRNITRLIRAIDSQPTDTESNSSSTVPESETSQRKGRVLRSQNQRKELPRKSSLSSRLLRDGLLTKELLSQLQKEWAREQNEDNSIPVNNGKRKKK

86.3 kDa

(Note: Representative image - actual molecular weight may vary depending on tag type and expression method)

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